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FILTER PAPER - Whatman Grade No. 40, Quantitative, Ashless, Medium Retention, 1440-185, 18.5

Medium retention and medium flow rate. Particle retention 8µm. General purpose, ashless filter paper. Used in soil analysis and also in gravimetric analysis for components in cements, clays, iron, and steel products. 40-18.5 CM DIAMETER
Specifications Whatman No. 1440-185 Diameter, cm 18.5