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15 cm Lab Filter Paper, Standard Qualitative Grade 1 - ZENPORE Fast Flow 150mm
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15 cm Lab Filter Paper, Standard Qualitative Grade Features
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GRADE 1 : 15cm - Equivalent to Whatman qualitative grade 1, standard lab filter paper (150mm)
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LAB FILTER - Routinely used in lab to determine fat content, extract solids and clarify liquids
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CHEMISTRY CLASS - Filter paper can teach basic qualitative separations and paper chromatography
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AIR FILTRATION - Collect medium particles for pollution monitoring
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MEDIUM RETENTION / MEDIUM FLOW - Retains medium crystalline particles (10~15 micron)
About 15 Cm Lab Filter Paper, Standard Qualitative Grade
GRADE 1 STANDARD Qualitative Filter Paper Equivalent to Whatman grade 1, this laboratory filter paper is commonly used in labs where 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.APPLICATIONSscience : Routine qualitative analytical separations and liquid clarification in labsfood : Solid foodstuffs separation and liquid extraction, fat content determinationbeverage : Analysis and filtration of dense liquids like fruit pulps, musts, syrups, oil or plant extractsagriculture : Soil analysis and seed testingenvironment : Medium particles collection for pollution monitoring (stain intensity)education : Basic qualitative separations teaching and paper chromatographyMEDIUM RETENTIONRetains medium-fine crystalline precipitates like:Sulfates (Pb, coarse form of Ba and Ca)Carbonates (Ba, Ca)Phosphates (Al, Pb, Struvite)Chromates (Fe, As, Pb)Ca Oxalate (hot), Pb OxideSPECSpaper : pure cotton celluloseflow : mediumretention : 10~15 μm (medium)speed : 30~35 s (10ml DIN 53137)diam : 150 mmthickness : 150 μmweight : 86 g/m²ash : 0.1%qty : 300 discsPLAIN-DISCSThose Flat Discs are suitable for gravity and Buchner low suction vacuum filtration.The same affordable filters are also available funnel-ready as ST001-150q (folding) or ST001-150v (pleating).EQUIVALENCE & SIZESee the cross-reference table and size diagrams in the photos to choose the appropriate reference and diameter of your circles.
