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9 cm Lab Filter Paper, Standard Qualitative Grade 2 - ZENPORE Slow Flow 90 mm (100 Discs)
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9 cm Lab Filter Paper, Standard Qualitative Grade 2 Features
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GRADE 2 : 9cm - Equivalent to Whatman qualitative grade 2, standard lab filter paper (90mm)
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AGRICULTURE - Soil pre-filtration, fertilizer analysis, nutrient absorption in seed tests
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BREWING TESTS - Beer and malt analysis, removal of turbidity in wort and yeast filtration
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AIR / GAS FILTRATION - Pollution monitoring of specific atmospheric contaminants, smoke
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HIGH RETENTION / SLOW FLOW - Retains fine crystalline particles (5~10 micron)
About 9 Cm Lab Filter Paper, Standard Qualitative Grade 2
GRADE 2 STANDARD Qualitative Filter Paper Equivalent to Whatman grade 2, this laboratory filter paper is widely used for standard fine filtration when you need to separate a solid or precipitate from the filtrate. Made from high alpha-cellulose cotton, this standard lab filter is not intended for ashing. APPLICATIONS science : General filtration in the 8 ?m range, clarification of cloudy suspension in labs food : Determination of total fat content in foodstuff and dairy, unsaponifiable fraction in fats and oils (fluted) beverage : Beer and malt analysis, removal of turbidity from wort and removal of yeast after fermentation (fluted) agriculture : Prefiltration of soil, hold nutrient in plant growth trials environment : Air polution monitoring of specific atmospheric contaminants and black smoke HIGH RETENTION Retains fine crystalline and organic precipitates around 8μm like: Metal Sulfides (Cd, Ni, Zn, Fe, Pb, Mn, Ag, As) Ba Sulfate, Pb Chromate, Mg oxide Ca Oxalate (cold), Ca Fluoride, Pb Dioxide paper : pure cotton cellulose flow : slow retention : 5~10 μm (fine) speed : 40~45 s (10ml DIN 53137) size : ⌀ 90 mm thickness : 160 μm weight : 86 g/m² ash : 0.1% qty : 100 discs PLAIN-DISCS These Flat Discs are suitable for gravity and Buchner low suction vacuum filtration. The same affordable filters are also available funnel-ready as ST002-90q (folding) or ST002-90v (pleating). EQUIVALENCE & SIZE See the cross-reference table and size diagrams in the photos to choose the appropriate reference and diameter of your circles.
