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Ashless: .7% ash maximum for Grades 4 to 44 and a maximum of .1% for the 589 Grades. These are very pure filters suitable for a wide range of critical alytical filtration procedures
These are very pure filters suitable for a wide range of critical alytical filtration procedures
Thin version of Grade 42 retaining very fine particles but with lower ash weight per sample and almost twice the flow rate of Grade 42
Quantitative Filter Papers - Ashless Grade 44 circles, 90 mm, 100/pk Thin version of Grade 42 retaining very fine particles but with lower ash weight per sample and almost twice the flow rate of Grade 42.