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11 Cm Lab Filter Paper, Standard Grades 1, 2, 4 -, Bundle Of 3 X 100 Discs

Item Description

GRADE 1, 2, 4 STANDARD Qualitative Filter Paper APPLICATIONS science : From clean-up of insoluble liquids to routine clarification of suspension food : From solid foodstuffs separation and liquid extraction to fat content determination beverage : From filtration of musts, pulps and syrups to malt analysis agriculture : From soil pre-filtration to analysis environment : From monitoring of fast flowing exhausts to smoke pollution COARSE TO HIGH RETENTION Grade 1 : Metal Sulfates (Pb, coarse form of Ba and Ca) Grade 2 : Metal Sulfides (Cd, Ni, Zn, Fe, Pb, Mn, Ag, As) Grade 4 : Metal hydroxides (Al, Cr, Fe, Mg) , Be Oxide paper : pure cotton cellulose flow : slow, medium, fast retention : 5~10, 10~15, 20~25 μm (fine, medium, coarse) speed : 15~20 s (10ml DIN 53137) size : ⌀ 110 mm thickness : 140-160 μm weight : 86 g/m² ash : 0.1% qty : 300 discs PLAIN-DISCS Flat Discs are suitable for gravity and Buchner low suction vacuum filtration. EQUIVALENCE & SIZE

  • GRADES 1, 2, 4 : 11cm - Equivalent to Whatman Top 3 standard qualitative grades (110mm)
  • GRADE 1 : MEDIUM RETENTION / MEDIUM FLOW - Retains medium crystalline particles (10~15 micron)
  • GRADE 2 : HIGH RETENTION / SLOW FLOW - Retains fine crystalline particles (5~10 micron)
  • GRADE 4 : COARSE RETENTION / FAST FLOW - Retains coarse and gelatinous precipitates (20~25 micron)
  • BROAD APPLICATION RANGE : lab & chemistry, food & agriculture, brewing & wine, air & gas filtration

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