Grade 392 Hardened Low-Ash Filter Paper

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Grade 392 Hardened Low-Ash Filter Paper
Suitable for routine gravimetric analysis and typical preparation of samples for use in analysis involving instrumental techniques. Low ash grades have intermediate ash content between qualitative grades and ashless grades. Grade 392 is medium to slowly filtering and used for fast filtration of fine precipitates such as calcium oxalate, magnesium ammonium phosphate, and coarser forms of barium sulfate. Retention of 5-8 microns.