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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, 42mm, 100/pk
          Grade
          Quantitative
          Kind
          disc
          Ash content %
          <0.007%
          Box quantity
          100
          Diameter (mm)
          42.00
          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 (gsm)
          Wet bursting strength
          40 kPa
        2. FP042DME43QANC01
          Quantitative Filter Paper, mediµm, 14-17µm, 42mm, 100/pk
          Grade
          Quantitative
          Kind
          disc
          Ash content %
          <0.007%
          Box quantity
          100
          Diameter (mm)
          42.00
          Filtration time for destilled water
          50 secs
          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 (gsm)
          Wet bursting strength
          30 kPa
        3. FP042DMS40QANC01
          Quantitative Filter Paper, Med Slow, 7-9µm, 42mm, 100/pk
          Grade
          Quantitative
          Kind
          disc
          Ash content %
          <0.007%
          Box quantity
          100
          Diameter (mm)
          42.00
          Filtration time for destilled water
          100 secs
          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 (gsm)
          Wet bursting strength
          36 kPa
        4. FP042DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm, 42mm, 100/pk
          Grade
          Quantitative
          Kind
          disc
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80 (gsm)
          Wet bursting strength
          52 kPa
          Ash content %
          <0.007%
          Box quantity
          100
          Diameter (mm)
          42.00
          Filtration time for destilled water
          292 secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
        5. FP047DFA41QANC01
          Quantitative Filter Paper, Fast, 20-25µm, 47mm, 100/pk
          Grade
          Quantitative
          Kind
          disc
          Ash content %
          <0.007%
          Box quantity
          100
          Diameter (mm)
          47.00
          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 (gsm)
          Wet bursting strength
          40 kPa
        6. FP047DME43QANC01
          Quantitative Filter Paper, mediµm, 14-17µm, 47mm, 100/pk
          Grade
          Quantitative
          Kind
          disc
          Ash content %
          <0.007%
          Box quantity
          100
          Diameter (mm)
          47.00
          Filtration time for destilled water
          50 secs
          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 (gsm)
          Wet bursting strength
          30 kPa
        7. FP047DMS40QANC01
          Quantitative Filter Paper, Med Slow, 7-9µm, 47mm, 100/pk
          Grade
          Quantitative
          Kind
          disc
          Ash content %
          <0.007%
          Box quantity
          100
          Diameter (mm)
          47.00
          Filtration time for destilled water
          100 secs
          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 (gsm)
          Wet bursting strength
          36 kPa
        8. FP047DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm, 47mm, 100/pk
          Grade
          Quantitative
          Kind
          disc
          Ash content %
          <0.007%
          Box quantity
          100
          Diameter (mm)
          47.00
          Filtration time for destilled water
          292 secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80 (gsm)
          Wet bursting strength
          52 kPa
        9. FP055DFA41QANC01
          Quantitative Filter Paper, Fast, 20-25µm Retention, Ø55mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          55
          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 (gsm)
          Wet bursting strength
          40 (kPa)
        10. FP055DME43QANC01
          Quantitative Filter Paper, Medium, 14-17µm Retention, Ø55mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          55
          Filtration time for destilled water
          50 secs
          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 (gsm)
          Wet bursting strength
          30 (kPa)
        11. FP055DMS40QANC01
          Quantitative Filter Paper, Medium-Slow, 7-9µm Retention, Ø55mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          55
          Filtration time for destilled water
          100 secs
          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 (gsm)
          Wet bursting strength
          36 (kPa)
        12. FP055DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm Retention, Ø55mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          55
          Filtration time for destilled water
          292 secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80 (gsm)
          Wet bursting strength
          52 (kPa)
        13. FP070DFA41QANC01
          Quantitative Filter Paper, Fast, 20-25µm Retention, Ø70mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          70
          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 (gsm)
          Wet bursting strength
          40 (kPa)
        14. FP070DME43QANC01
          Quantitative Filter Paper, Medium, 14-17µm Retention, Ø70mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          70
          Filtration time for destilled water
          50 secs
          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 (gsm)
          Wet bursting strength
          30 (kPa)
        15. FP070DMS40QANC01
          Quantitative Filter Paper, Medium-Slow, 7-9µm Retention, Ø70mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          70
          Filtration time for destilled water
          100 secs
          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 (gsm)
          Wet bursting strength
          36 (kPa)
        16. FP070DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm Retention, Ø70mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          70
          Filtration time for destilled water
          292 secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80 (gsm)
          Wet bursting strength
          52 (kPa)
        17. FP090DFA41QANC01
          Quantitative Filter Paper, Fast, 20-25µm Retention, Ø90mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          90
          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 (gsm)
          Wet bursting strength
          40 (kPa)
        18. FP090DME43QANC01
          Quantitative Filter Paper, Medium, 14-17µm Retention, Ø90mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          90
          Filtration time for destilled water
          50 secs
          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 (gsm)
          Wet bursting strength
          30 (kPa)
        19. FP090DMS40QANC01
          Quantitative Filter Paper, Medium-Slow, 7-9µm Retention Ø90mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          90
          Filtration time for destilled water
          100 secs
          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 (gsm)
          Wet bursting strength
          36 (kPa)
        20. FP090DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm Retention Ø90mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          90
          Filtration time for destilled water
          292 secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80 (gsm)
          Wet bursting strength
          52 (kPa)
        21. FP110DFA41QANC01
          Quantitative Filter Paper, Fast, 20-25µm Retention, Ø110mm
          Grade
          Qualitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          110
          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
          40 (kPa)
        22. FP110DME43QANC01
          Quantitative Filter Paper, Medium, 14-17µm retention, Ø110 mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          110
          Filtration time for destilled water
          50 secs
          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 (gsm)
          Wet bursting strength
          30 (kPa)
        23. FP110DMS40QANC01
          Quantitative Filter Paper, Medium-Slow, 7-9µm Retention, Ø110mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          110
          Filtration time for destilled water
          100 secs
          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 (gsm)
          Wet bursting strength
          36 (kPa)
        24. FP110DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm Retention, Ø110mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          110
          Filtration time for destilled water
          292 secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80 (gsm)
          Wet bursting strength
          52 (kPa)
        25. FP125DFA41QANC01
          Quantitative Filter Paper, Fast, 20-25µm Retention, Ø125mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          125
          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 (gsm)
          Wet bursting strength
          40 (kPa)
        26. FP125DME43QANC01
          Quantitative Filter Paper, Medium, 14-17µm Retention, Ø125mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          125
          Filtration time for destilled water
          50 secs
          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 (gsm)
          Wet bursting strength
          30 (kPa)
        27. FP125DMS40QANC01
          Quantitative Filter Paper, Medium-Slow, 7-9µm Retention, Ø125mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          125
          Filtration time for destilled water
          100 secs
          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 (gsm)
          Wet bursting strength
          36 (kPa)
        28. FP125DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm Retention, Ø125mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          125
          Filtration time for destilled water
          292 secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80 (gsm)
          Wet bursting strength
          52 (kPa)
        29. FP150DFA41QANC01
          Quantitative Filter Paper, Fast, 20-25µm Retention, Ø150mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          150
          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 (gsm)
          Wet bursting strength
          40 (kPa)
        30. FP150DME43QANC01
          Quantitative Filter Paper, Medium, 14-17µm Retention, Ø150mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          150
          Filtration time for destilled water
          50 secs
          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 (gsm)
          Wet bursting strength
          30 (kPa)
        31. FP150DMS40QANC01
          Quantitative Filter Paper, Medium-Slow, 7-9µm Retention, Ø150mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          150
          Filtration time for destilled water
          100 secs
          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 (gsm)
          Wet bursting strength
          36 (kPa)
        32. FP150DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm Retention, Ø150mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          150
          Filtration time for destilled water
          292 secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80 (gsm)
          Wet bursting strength
          52 (kPa)
        33. FP185DFA41QANC01
          Quantitative Filter Paper, Fast, 20-25µm Retention, Ø185mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          185
          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 (gsm)
          Wet bursting strength
          40 (kPa)
        34. FP185DME43QANC01
          Quantitative Filter Paper, Medium, 14-17µm Retention, Ø185mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          185
          Filtration time for destilled water
          50 secs
          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 (gsm)
          Wet bursting strength
          30 (kPa)
        35. FP185DMS40QANC01
          Quantitative Filter Paper, Medium-Slow, 7-9µm Retention, Ø185mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          185
          Filtration time for destilled water
          100 secs
          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 (gsm)
          Wet bursting strength
          36 (kPa)
        36. FP185DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm Retention, Ø185mm
          Grade
          Quantitative
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          185
          Filtration time for destilled water
          292 secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80 (gsm)
          Wet bursting strength
          52 (kPa)
        37. FP240DFA41QANC01
          Quantitative Filter Paper, Fast, 20-25µm Retention, Ø240mm
          Grade
          Quantitative
          Kind
          disc
          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 (gsm)
          Wet bursting strength
          40 (kPa)
        38. FP240DME43QANC01
          Quantitative Filter Paper, Medium, 14-17µm Retention, Ø240mm
          Grade
          Quantitative
          Kind
          disc
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          240
          Filtration time for destilled water
          50 secs
          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 (gsm)
          Wet bursting strength
          30 (kPa)
        39. FP240DMS40QANC01
          Quantitative Filter Paper, Medium-Slow, 7-9µm Retention, Ø240mm
          Grade
          Quantitative
          Kind
          disc
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          240
          Filtration time for destilled water
          100 secs
          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 (gsm)
          Wet bursting strength
          36 (kPa)
        40. FP240DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm Retention, Ø240mm
          Grade
          Quantitative
          Kind
          disc
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          240
          Filtration time for destilled water
          292 secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80 (gsm)
          Wet bursting strength
          52 (kPa)
        41. FP320DFA41QANC01
          Quantitative Filter Paper, Fast, 20-25µm Retention, Ø320mm
          Grade
          Quantitative
          Kind
          disc
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          320
          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 (gsm)
          Wet bursting strength
          40 (kPa)
        42. FP320DME43QANC01
          Quantitative Filter Paper, Medium, 14-17µm Retention, Ø320mm
          Grade
          Quantitative
          Kind
          disc
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          320
          Filtration time for destilled water
          50 secs
          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 (gsm)
          Wet bursting strength
          30 (kPa)
        43. FP320DMS40QANC01
          Quantitative Filter Paper, Medium-Slow, 7-9µm Retention, Ø320mm
          Grade
          Quantitative
          Kind
          disc
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          320
          Filtration time for destilled water
          100 secs
          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 (gsm)
          Wet bursting strength
          36 (kPa)
        44. FP320DSL44QANC01
          Quantitative Filter Paper, Slow, 2-4µm Retention, Ø320mm
          Grade
          Quantitative
          Kind
          disc
          Ash content %
          <0.007 %
          Box quantity
          100
          Diameter (mm)
          320
          Filtration time for destilled water
          292 secs
          Notes
          Slow flow rate. Very high retention; Very fine crystalline precipitates
          Properties
          Slow
          Retention range (µm)
          2-4
          Thickness (µm)
          160
          Weight (g)
          80 (gsm)
          Wet bursting strength
          52 (kPa)

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