Ashless Clippings, ashless filter aidAshless clippings Whatman ashless filter aids enhance filtration speed by coagulating precipitates or suspensions to form a thick retentive “prefilter” layer on top of normal filter paper. Easily dispersible, the powder is of a purity similar to that of Whatman ashless quantitative papers. It is supplied with a two-ended scoop for measuring 0.5 g or 2.5 g quantities. |
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