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FILTER PAPERS STANDARD QUALITATIVE, GRADE 1 COMPANY : WHATMAN, England. Qualitative Filters : These filters are used in qualitative analytical techniques to determine and identify materials. Folded qualitative filter are also available which give improved flow rate and increased loading capacity compared to equivalent flat filters. Grade 1 : A medium retention and flow rate filter for routine applications including soil analysis and seed testing procedures, food industry testing, air pollution monitoring and gas detection.
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GLASS MICROFIBER FILTER COMPANY : WHATMAN, ENGLAND. Glass glass microfiber are manufactured from 100% borosilicate glass and are chemically inherit and completely binder free. These depth filters combine fast flow rates with high loading capacity and the retention of very fine particles, extending into the sub-micro range. GF/C : Regularly specified in standard methods for determining suspended solids in water, removal of turbidity and filtration of bacterial cultures. GF/F : Very high retention for filtering fine particles.
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FILTER PAPERS STANDARD QUALITATIVE, GRADE 2 COMPANY : WHATMAN, England. Qualitative Filters : These filters are used in qualitative analytical techniques to determine and identify materials. Folded qualitative filter are also available which give improved flow rate and increased loading capacity compared to equivalent flat filters. Grade 2 : More absorbent and slightly more retentive with a slower filtration speed than Grade 1. Used for monitoring specific contaminants in the atmosphere and in soil testing.
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FILTER PAPERS STANDARD QUALITATIVE, GRADE 3 COMPANY : WHATMAN, England. Qualitative Filters : These filters are used in qualitative analytical techniques to determine and identify materials. Folded qualitative filter are also available which give improved flow rate and increased loading capacity compared to equivalent flat filters. Grade 3 : A thick filter with good loading capacity, fine particle retention and increased strength. The extra thickness gives increased wet strength and makes the filters suitable for use in Buchner funnels.
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FILTER PAPERS STANDARD QUALITATIVE, GRADE 4 COMPANY : WHATMAN, England. Qualitative Filters : These filters are used in qualitative analytical techniques to determine and identify materials. Folded qualitative filter are also available which give improved flow rate and increased loading capacity compared to equivalent flat filters. Grade 4 : Offers high flow rate with good retention of large particles and gelatinous precipitates such as ferric hydroxide and aluminium hydroxide.
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FILTER PAPERS STANDARD QUALITATIVE, GRADE 5 COMPANY : WHATMAN, England. Qualitative Filters : These filters are used in qualitative analytical techniques to determine and identify materials. Folded qualitative filter are also available which give improved flow rate and increased loading capacity compared to equivalent flat filters. Grade 5 : The most efficient qualitative filter. Used for collecting small particles and has a slow flow rate. Suitable for chemical analysis, clarity cloudy suspensions and for water and soil analysis.
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FILTER PAPERS/GRADE 113 COMPANY : WHATMAN, England. Grade 113 : A creped filter with high loading capacity and the fastest flow rate of any qualitative grade. This is the thickest filter in the range and is extremely strong. Grade 113 is ideal for use with coarse or gelatinous precipitates. It is available folded as Grade 113V.
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FILTER PAPERS, GRADE 40 COMPANY : WHATMAN, England. Ashless Filters : Ashless filters are produced from high quality cotton linters under carefully controlled conditions. These very pure filters are ideal for a wide range of critical analytical filtration procedures. Grade 40 : General-purpose ashless filter with medium speed and particle retention. Application include gravimetric analysis, the filtration of solution prior to atomic absorption spectrophotometry and in air pollution monitoring.
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FILTER PAPERS, GRADE 41 COMPANY : WHATMAN, England. Ashless Filters : Ashless filters are produced from high quality cotton linters under carefully controlled conditions. These very pure filters are ideal for a wide range of critical analytical filtration procedures. Grade 41 : The fastest ashless filter is recommended for analytical procedures involving large particles or gelatinous precipitates such as iron or aluminium hydroxides. Also used in quantitative air pollution analysis for determining gaseous compounds at high flow rates.
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FILTER PAPERS, GRADE 42 COMPANY : WHATMAN, England. Ashless Filters : Ashless filters are produced from high quality cotton linters under carefully controlled conditions. These very pure filters are ideal for a wide range of critical analytical filtration procedures. Grade 42 : A moderately fast filter with the finest particle retention of all Whatman cellulose filters. Typical analytical precipitates include barium sulphate, metastannic acid and finely precipitates calcium carbonate.
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FILTER PAPERS, GRADE 50 COMPANY : WHATMAN, England. Grade 50 : The thinnest filter with a slow flow rate and good particle retention characteristics. The hardened surface is virtually free from loose fibers.
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FILTER PAPERS, GRADE 540 COMPANY : WHATMAN, England. Ashless Filters : Ashless filters are produced from high quality cotton linters under carefully controlled conditions. These very pure filters are ideal for a wide range of critical analytical filtration procedures. Grade 540 : A general purpose filter with medium retention and flow rate. Frequently used in the gravimetric analysis of metal in acid/alkali solution.
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FILTER PAPERS COMPANY : WHATMAN, England.
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FILTER PAPERS, GRADE 541 COMPANY : WHATMAN, England. Ashless Filters : Ashless filters are produced from high quality cotton linters under carefully controlled conditions. These very pure filters are ideal for a wide range of critical analytical filtration procedures. Grade 541 : Offers high filtration speed for the retention of large particles and gelatinous precipitates in acid or alkaline solution. Typical application include protein determination, cemet analysis and the determination of fiber in animal foodstuff.
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FILTER PAPERS, GRADE 542 COMPANY : WHATMAN, England. Ashless Filters : Ashless filters are produced from high quality cotton linters under carefully controlled conditions. These very pure filters are ideal for a wide range of critical analytical filtration procedures. Grade 542 : Gives efficient retention of small particles in solutions that would weaken conventional filters. Slow flow rate. Very hard and strong with excellent chemical resistance. Often used in gravimetric metal determination.
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FILTER CIRCLES GLASS COMPANY : WHATMAN, England.
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Note : Please mention the product "SOM CODE" while making request. |
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