Filter Paper, Quantitative, Routine Ashless, Grade 41, Cytiva Whatman™
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Filter Paper, Quantitative, Routine Ashless, Grade 41, 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 41 - 20-25µm particle retention. The fastest ashless filter paper, recommended for analytical procedures involving coarse particles or gelatinous precipitates, e.g. iron or aluminum-hydroxides. Also used in quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates.