Filter Paper, Quantitative, Routine Ashless, Grade 40, Cytiva Whatman™
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Filter Paper, Quantitative, Routine Ashless, Grade 40, Cytiva Whatman™
Cytiva Whatman routine ashless filter papers are produced under carefully controlled conditions which ensure low ash levels of 0.01% for routine quantitative gravimetric techniques.
- Grade 40 - 8µm particle retention. The classic general purpose ashless filter paper. Medium speed and retention. Typical applications include: gravimetric analysis for numerous components in cements, clays, iron and steel products; as a primary filter for separating solid matter from aqueous extracts in general soil analysis, and as a pure analytical grade clean up filter for solutions prior to AA spectrophotometry. Used also as a high purity filter in the collection of trace elements and radionucleotides from the atmosphere.