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        • Quantitative Filter Paper Ashless, image 1

        Quantitative Filter Paper Ashless

        GVS filter papers are the standard for laboratory filtration.

        Suitable for Buchner funnels and filtration under pressure.

        Using the highest quality material, the GVS filter papers have an enhanced mechanical strengths, quality level, and reliability.

        GVS offers both qualitative and quantitative filter papers, with increasing degrees of purity, hardness and chemical resistance.

        TDS

        Ask for information

        Properties

        From Very Fast Filtration to Very Slow Filtration, the wide range of GVS Quantitative Papers provide the right solution for any application need.

        • Highest retention and very slow flow
        • Extremely difficult filtrations
        • Analytical precipitates: barium sulphate, matastannic acid and finely precipitated calcium carbonate.

        Characteristics

        Ash content
        <0.007%

        Applications

        • Critical Gravimetric Analysis
        • Quantitative Analysis

        Product Variants

        Multiple versions of Quantitative Filter Paper Ashless are available.

        Product Variants

        44 available results

        1. FP042DFA41QANC01
          Quantitative Filter Paper, Fast, 20-25µm Retention, 42mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          42
          Filtration time for destilled water
          21secs
          Notes
          Very fast ashless filter paper. Analytical procedures with large particles or gelatinous precipitates (iron or aluminum hydroxides). Air pollution analysis to determinate gaseous compounds
          Properties
          Fast
          Retention range (µm)
          20-25
          Thickness (µm)
          190
          Weight (g)
          80
          Wet bursting strength
          40kPa
          Kind
          Disc
        2. FP042DME43QANC01
          Quantitative Filter Paper, Medium, 14-17µm Retention, 42mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          42
          Filtration time for destilled water
          50secs
          Notes
          Medium retention and fast flow. Foodstuff and soil analysis. Air pollution monitoring. Analysis in mining, construction and steel industries
          Properties
          Medium
          Retention range (µm)
          14-17
          Thickness (µm)
          180
          Weight (g)
          80
          Wet bursting strength
          30kPa
          Kind
          Disc
        3. FP042DMS40QANC01
          Quantitative Filter Paper, Medium-Slow, 7-9µm Retention, 42mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          42
          Filtration time for destilled water
          100secs
          Notes
          Medium speed and retention. Analysis of components in cements, clays, iron and steel products. Soil analysis. Sediments in milk. Filtration of solutions prior to atomic absorption spectrophotometry; High purity filter in atmosphere analysis
          Properties
          Medium-Slow
          Retention range (µm)
          7-9
          Thickness (µm)
          170
          Weight (g)
          80
          Wet bursting strength
          36kPa
          Kind
          Disc
        4. FP042DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm Retention, 42mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          42
          Filtration time for destilled water
          292secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80
          Wet bursting strength
          52kPa
          Kind
          Disc
        5. FP047DFA41QANC01
          Quantitative Filter Paper, Fast, 20-25µm Retention, 47mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          47
          Filtration time for destilled water
          21secs
          Notes
          Very fast ashless filter paper. Analytical procedures with large particles or gelatinous precipitates (iron or aluminum hydroxides). Air pollution analysis to determinate gaseous compounds
          Properties
          Fast
          Retention range (µm)
          20-25
          Thickness (µm)
          190
          Weight (g)
          80
          Wet bursting strength
          40kPa
          Kind
          Disc
        6. FP047DME43QANC01
          Quantitative Filter Paper, Medium, 14-17µm Retention, 47mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          47
          Filtration time for destilled water
          50secs
          Notes
          Medium retention and fast flow. Foodstuff and soil analysis. Air pollution monitoring. Analysis in mining, construction and steel industries
          Properties
          Medium
          Retention range (µm)
          14-17
          Thickness (µm)
          180
          Weight (g)
          80
          Wet bursting strength
          30kPa
          Kind
          Disc
        7. FP047DMS40QANC01
          Quantitative Filter Paper, Medium-Slow, 7-9µm Retention, 47mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          47
          Filtration time for destilled water
          100secs
          Notes
          Medium speed and retention. Analysis of components in cements, clays, iron and steel products. Soil analysis. Sediments in milk. Filtration of solutions prior to atomic absorption spectrophotometry; High purity filter in atmosphere analysis
          Properties
          Medium-Slow
          Retention range (µm)
          7-9
          Thickness (µm)
          170
          Weight (g)
          80
          Wet bursting strength
          36kPa
          Kind
          Disc
        8. FP047DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm Retention, 47mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          47
          Filtration time for destilled water
          292secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80
          Wet bursting strength
          52kPa
          Kind
          Disc
        9. FP055DFA41QANC01
          Quantitative Filter Paper, Fast, 20-25µm Retention, 55mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          55
          Filtration time for destilled water
          21secs
          Notes
          Very fast ashless filter paper. Analytical procedures with large particles or gelatinous precipitates (iron or aluminum hydroxides). Air pollution analysis to determinate gaseous compounds
          Properties
          Fast
          Retention range (µm)
          20-25
          Thickness (µm)
          190
          Weight (g)
          80
          Wet bursting strength
          40kPa
          Kind
          Disc
        10. FP055DME43QANC01
          Quantitative Filter Paper, Medium, 14-17µm Retention, 55mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          55
          Filtration time for destilled water
          50secs
          Notes
          Medium retention and fast flow. Foodstuff and soil analysis. Air pollution monitoring. Analysis in mining, construction and steel industries
          Properties
          Medium
          Retention range (µm)
          14-17
          Thickness (µm)
          180
          Weight (g)
          80
          Wet bursting strength
          30kPa
          Kind
          Disc
        11. FP055DMS40QANC01
          Quantitative Filter Paper, Medium-Slow, 7-9µm Retention, 55mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          55
          Filtration time for destilled water
          100secs
          Notes
          Medium speed and retention. Analysis of components in cements, clays, iron and steel products. Soil analysis. Sediments in milk. Filtration of solutions prior to atomic absorption spectrophotometry; High purity filter in atmosphere analysis
          Properties
          Medium-Slow
          Retention range (µm)
          7-9
          Thickness (µm)
          170
          Weight (g)
          80
          Wet bursting strength
          36kPa
          Kind
          Disc
        12. FP055DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm Retention, 55mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          55
          Filtration time for destilled water
          292secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80
          Wet bursting strength
          52kPa
          Kind
          Disc
        13. FP070DFA41QANC01
          Quantitative Filter Paper, Fast, 20-25µm Retention, 70mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          70
          Filtration time for destilled water
          21secs
          Notes
          Very fast ashless filter paper. Analytical procedures with large particles or gelatinous precipitates (iron or aluminum hydroxides). Air pollution analysis to determinate gaseous compounds
          Properties
          Fast
          Retention range (µm)
          20-25
          Thickness (µm)
          190
          Weight (g)
          80
          Wet bursting strength
          40kPa
          Kind
          Disc
        14. FP070DME43QANC01
          Quantitative Filter Paper, Medium, 14-17µm Retention, 70mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          70
          Filtration time for destilled water
          50secs
          Notes
          Medium retention and fast flow. Foodstuff and soil analysis. Air pollution monitoring. Analysis in mining, construction and steel industries
          Properties
          Medium
          Retention range (µm)
          14-17
          Thickness (µm)
          180
          Weight (g)
          80
          Wet bursting strength
          30kPa
          Kind
          Disc
        15. FP070DMS40QANC01
          Quantitative Filter Paper, Medium-Slow, 7-9µm Retention, 70mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          70
          Filtration time for destilled water
          100secs
          Notes
          Medium speed and retention. Analysis of components in cements, clays, iron and steel products. Soil analysis. Sediments in milk. Filtration of solutions prior to atomic absorption spectrophotometry; High purity filter in atmosphere analysis
          Properties
          Medium-Slow
          Retention range (µm)
          7-9
          Thickness (µm)
          170
          Weight (g)
          80
          Wet bursting strength
          36kPa
          Kind
          Disc
        16. FP070DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm Retention, 70mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          70
          Filtration time for destilled water
          292secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80
          Wet bursting strength
          52kPa
          Kind
          Disc
        17. FP090DFA41QANC01
          Quantitative Filter Paper, Fast, 20-25µm Retention, 90mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          90
          Filtration time for destilled water
          21secs
          Notes
          Very fast ashless filter paper. Analytical procedures with large particles or gelatinous precipitates (iron or aluminum hydroxides). Air pollution analysis to determinate gaseous compounds
          Properties
          Fast
          Retention range (µm)
          20-25
          Thickness (µm)
          190
          Weight (g)
          80
          Wet bursting strength
          40kPa
          Kind
          Disc
        18. FP090DME43QANC01
          Quantitative Filter Paper, Medium, 14-17µm Retention, 90mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          90
          Filtration time for destilled water
          50secs
          Notes
          Medium retention and fast flow. Foodstuff and soil analysis. Air pollution monitoring. Analysis in mining, construction and steel industries
          Properties
          Medium
          Retention range (µm)
          14-17
          Thickness (µm)
          180
          Weight (g)
          80
          Wet bursting strength
          30kPa
          Kind
          Disc
        19. FP090DMS40QANC01
          Quantitative Filter Paper, Medium-Slow, 7-9µm Retention 90mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          90
          Filtration time for destilled water
          100secs
          Notes
          Medium speed and retention. Analysis of components in cements, clays, iron and steel products. Soil analysis. Sediments in milk. Filtration of solutions prior to atomic absorption spectrophotometry; High purity filter in atmosphere analysis
          Properties
          Medium-Slow
          Retention range (µm)
          7-9
          Thickness (µm)
          170
          Weight (g)
          80
          Wet bursting strength
          36kPa
          Kind
          Disc
        20. FP090DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm Retention 90mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          90
          Filtration time for destilled water
          292secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80
          Wet bursting strength
          52kPa
          Kind
          Disc
        21. FP110DFA41QANC01
          Quantitative Filter Paper, Fast, 20-25µm Retention, 110mm
          Grade
          Qualitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          110
          Filtration time for destilled water
          21secs
          Notes
          Very fast ashless filter paper. Analytical procedures with large particles or gelatinous precipitates (iron or aluminum hydroxides). Air pollution analysis to determinate gaseous compounds
          Properties
          Fast
          Retention range (µm)
          20-25
          Thickness (µm)
          190
          Weight (g)
          80
          Wet bursting strength
          40kPa
          Kind
          Disc
        22. FP110DME43QANC01
          Quantitative Filter Paper, Medium, 14-17µm Retention, 110mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          110
          Filtration time for destilled water
          50secs
          Notes
          Medium retention and fast flow. Foodstuff and soil analysis. Air pollution monitoring. Analysis in mining, construction and steel industries
          Properties
          Medium
          Retention range (µm)
          14-17
          Thickness (µm)
          180
          Weight (g)
          80
          Wet bursting strength
          30kPa
          Kind
          Disc
        23. FP110DMS40QANC01
          Quantitative Filter Paper, Medium-Slow, 7-9µm Retention, 110mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          110
          Filtration time for destilled water
          100secs
          Notes
          Medium speed and retention. Analysis of components in cements, clays, iron and steel products. Soil analysis. Sediments in milk. Filtration of solutions prior to atomic absorption spectrophotometry; High purity filter in atmosphere analysis
          Properties
          Medium-Slow
          Retention range (µm)
          7-9
          Thickness (µm)
          170
          Weight (g)
          80
          Wet bursting strength
          36kPa
          Kind
          Disc
        24. FP110DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm Retention, 110mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          110
          Filtration time for destilled water
          292secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80
          Wet bursting strength
          52kPa
          Kind
          Disc
        25. FP125DFA41QANC01
          Quantitative Filter Paper, Fast, 20-25µm Retention, 125mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          125
          Filtration time for destilled water
          21secs
          Notes
          Very fast ashless filter paper. Analytical procedures with large particles or gelatinous precipitates (iron or aluminum hydroxides). Air pollution analysis to determinate gaseous compounds
          Properties
          Fast
          Retention range (µm)
          20-25
          Thickness (µm)
          190
          Weight (g)
          80
          Wet bursting strength
          40kPa
          Kind
          Disc
        26. FP125DME43QANC01
          Quantitative Filter Paper, Medium, 14-17µm Retention, 125mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          125
          Filtration time for destilled water
          50secs
          Notes
          Medium retention and fast flow. Foodstuff and soil analysis. Air pollution monitoring. Analysis in mining, construction and steel industries
          Properties
          Medium
          Retention range (µm)
          14-17
          Thickness (µm)
          180
          Weight (g)
          80
          Wet bursting strength
          30kPa
          Kind
          Disc
        27. FP125DMS40QANC01
          Quantitative Filter Paper, Medium-Slow, 7-9µm Retention, 125mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          125
          Filtration time for destilled water
          100secs
          Notes
          Medium speed and retention. Analysis of components in cements, clays, iron and steel products. Soil analysis. Sediments in milk. Filtration of solutions prior to atomic absorption spectrophotometry; High purity filter in atmosphere analysis
          Properties
          Medium-Slow
          Retention range (µm)
          7-9
          Thickness (µm)
          170
          Weight (g)
          80
          Wet bursting strength
          36kPa
          Kind
          Disc
        28. FP125DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm Retention, 125mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          125
          Filtration time for destilled water
          292secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80
          Wet bursting strength
          52kPa
          Kind
          Disc
        29. FP150DFA41QANC01
          Quantitative Filter Paper, Fast, 20-25µm Retention, 150mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          150
          Filtration time for destilled water
          21secs
          Notes
          Very fast ashless filter paper. Analytical procedures with large particles or gelatinous precipitates (iron or aluminum hydroxides). Air pollution analysis to determinate gaseous compounds
          Properties
          Fast
          Retention range (µm)
          20-25
          Thickness (µm)
          190
          Weight (g)
          80
          Wet bursting strength
          40kPa
          Kind
          Disc
        30. FP150DME43QANC01
          Quantitative Filter Paper, Medium, 14-17µm Retention, 150mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          150
          Filtration time for destilled water
          50secs
          Notes
          Medium retention and fast flow. Foodstuff and soil analysis. Air pollution monitoring. Analysis in mining, construction and steel industries
          Properties
          Medium
          Retention range (µm)
          14-17
          Thickness (µm)
          180
          Weight (g)
          80
          Wet bursting strength
          30kPa
          Kind
          Disc
        31. FP150DMS40QANC01
          Quantitative Filter Paper, Medium-Slow, 7-9µm Retention, 150mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          150
          Filtration time for destilled water
          100secs
          Notes
          Medium speed and retention. Analysis of components in cements, clays, iron and steel products. Soil analysis. Sediments in milk. Filtration of solutions prior to atomic absorption spectrophotometry; High purity filter in atmosphere analysis
          Properties
          Medium-Slow
          Retention range (µm)
          7-9
          Thickness (µm)
          170
          Weight (g)
          80
          Wet bursting strength
          36kPa
          Kind
          Disc
        32. FP150DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm Retention, 150mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          150
          Filtration time for destilled water
          292secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80
          Wet bursting strength
          52kPa
          Kind
          Disc
        33. FP185DFA41QANC01
          Quantitative Filter Paper, Fast, 20-25µm Retention, 185mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          185
          Filtration time for destilled water
          21secs
          Notes
          Very fast ashless filter paper. Analytical procedures with large particles or gelatinous precipitates (iron or aluminum hydroxides). Air pollution analysis to determinate gaseous compounds
          Properties
          Fast
          Retention range (µm)
          20-25
          Thickness (µm)
          190
          Weight (g)
          80
          Wet bursting strength
          40kPa
          Kind
          Disc
        34. FP185DME43QANC01
          Quantitative Filter Paper, Medium, 14-17µm Retention, 185mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          185
          Filtration time for destilled water
          50secs
          Notes
          Medium retention and fast flow. Foodstuff and soil analysis. Air pollution monitoring. Analysis in mining, construction and steel industries
          Properties
          Medium
          Retention range (µm)
          14-17
          Thickness (µm)
          180
          Weight (g)
          80
          Wet bursting strength
          30kPa
          Kind
          Disc
        35. FP185DMS40QANC01
          Quantitative Filter Paper, Medium-Slow, 7-9µm Retention, 185mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          185
          Filtration time for destilled water
          100secs
          Notes
          Medium speed and retention. Analysis of components in cements, clays, iron and steel products. Soil analysis. Sediments in milk. Filtration of solutions prior to atomic absorption spectrophotometry; High purity filter in atmosphere analysis
          Properties
          Medium-Slow
          Retention range (µm)
          7-9
          Thickness (µm)
          170
          Weight (g)
          80
          Wet bursting strength
          36kPa
          Kind
          Disc
        36. FP185DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm Retention, 185mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          185
          Filtration time for destilled water
          292secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80
          Wet bursting strength
          52kPa
          Kind
          Disc
        37. FP240DFA41QANC01
          Quantitative Filter Paper, Fast, 20-25µm Retention, 240mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          240
          Filtration time for destilled water
          21 secs
          Notes
          Very fast ashless filter paper. Analytical procedures with large particles or gelatinous precipitates (iron or aluminum hydroxides). Air pollution analysis to determinate gaseous compounds
          Properties
          Fast
          Retention range (µm)
          20-25
          Thickness (µm)
          190
          Weight (g)
          80
          Wet bursting strength
          40kPa
          Kind
          Disc
        38. FP240DME43QANC01
          Quantitative Filter Paper, Medium, 14-17µm Retention, 240mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          240
          Filtration time for destilled water
          50secs
          Notes
          Medium retention and fast flow. Foodstuff and soil analysis. Air pollution monitoring. Analysis in mining, construction and steel industries
          Properties
          Medium
          Retention range (µm)
          14-17
          Thickness (µm)
          180
          Weight (g)
          80
          Wet bursting strength
          30kPa
          Kind
          Disc
        39. FP240DMS40QANC01
          Quantitative Filter Paper, Medium-Slow, 7-9µm Retention, 240mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          240
          Filtration time for destilled water
          100secs
          Notes
          Medium speed and retention. Analysis of components in cements, clays, iron and steel products. Soil analysis. Sediments in milk. Filtration of solutions prior to atomic absorption spectrophotometry; High purity filter in atmosphere analysis
          Properties
          Medium-Slow
          Retention range (µm)
          7-9
          Thickness (µm)
          170
          Weight (g)
          80
          Wet bursting strength
          36kPa
          Kind
          Disc
        40. FP240DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm Retention, 240mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          240
          Filtration time for destilled water
          292secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80
          Wet bursting strength
          52kPa
          Kind
          Disc
        41. FP320DFA41QANC01
          Quantitative Filter Paper, Fast, 20-25µm Retention, 320mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          320
          Filtration time for destilled water
          21secs
          Notes
          Very fast ashless filter paper. Analytical procedures with large particles or gelatinous precipitates (iron or aluminum hydroxides). Air pollution analysis to determinate gaseous compounds
          Properties
          Fast
          Retention range (µm)
          20-25
          Thickness (µm)
          190
          Weight (g)
          80
          Wet bursting strength
          40kPa
          Kind
          Disc
        42. FP320DME43QANC01
          Quantitative Filter Paper, Medium, 14-17µm Retention, 320mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          320
          Filtration time for destilled water
          50secs
          Notes
          Medium retention and fast flow. Foodstuff and soil analysis. Air pollution monitoring. Analysis in mining, construction and steel industries
          Properties
          Medium
          Retention range (µm)
          14-17
          Thickness (µm)
          180
          Weight (g)
          80
          Wet bursting strength
          30kPa
          Kind
          Disc
        43. FP320DMS40QANC01
          Quantitative Filter Paper, Medium-Slow, 7-9µm Retention, 320mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          320
          Filtration time for destilled water
          100secs
          Notes
          Medium speed and retention. Analysis of components in cements, clays, iron and steel products. Soil analysis. Sediments in milk. Filtration of solutions prior to atomic absorption spectrophotometry; High purity filter in atmosphere analysis
          Properties
          Medium-Slow
          Retention range (µm)
          7-9
          Thickness (µm)
          170
          Weight (g)
          80
          Wet bursting strength
          36kPa
          Kind
          Disc
        44. FP320DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm Retention, 320mm
          Grade
          Quantitative
          Ash content %
          <0.007
          Box quantity
          100
          Diameter (mm)
          320
          Filtration time for destilled water
          292secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80
          Wet bursting strength
          52kPa
          Kind
          Disc

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