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Whatman Quantitative Papers: Ashless Grade 40are produced under carefully controlled conditions to ensure low ash levels with progressively increasing wet strengths. Grade 40 is a classic, general purpose paper with medium speed and retention. Typical applications include gravimetric analysis for components in cements, clays, iron and steel products; as a primary filter for separating solid matter from aqueous extracts in general soil analysis and pure clean-up prior for AA spectrophotometry.

    FILTER PAPER 40 15 0 CM 100 PK

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