Whatman Grade No. 42 Quantitative Filter Paper Ashless Whatman 1442-055
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Whatman Grade No. 42 Quantitative Filter Paper Ashless Whatman 1442-055. 42 Quantitative Filter Paper Ashless 1442-055 is ideal for the geologist who needs a clean breathable filter paper that is highly analytical. Made from 100percent pure new cotton saturate with a pure solution of isopropyl alcohol without additives or preservatives this Whatman Ashless No. 42 Quantitative Filter Paper resists abrasiveness and retains the original soft white color of cotton. Its excellent filtration characteristics allow the user to stack several Whatman Grade No. 42 Ashless Filter Papers to obtain an accurate reading of the absorbed liquid or vise at any one time. Whatman Ashless No.