OpticsPlanet
Whatman Grade No. 42 Quantitative Filter Paper Ashless Whatman 1442-150
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Whatman Grade No. 42 Quantitative Filter Paper Ashless Whatman 1442-150. 42 Quantitative Filter Paper Ashless 1442-150 is ideal for the preparatory steps in the Toxicity Testing and Analysis of Residues. Pre-weighed to insure consistency and eliminate batch-to-tank variability. Whatman Ashless No. 42 Quantitative Filter Paper is pure cellulose containing no additives or chemical aids and is highly breathable. Whatman Grade No. 42 Quantitative Filter Paper No. 42 only burns during the oxidation process and leaves no residue in the form of gases or liquids in the presence of undesirable bacteria molds or viruses. Whatman No.