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Grade 372 Hardened Ashless Filter Paper

Product code:

372

≡ Whatman No. 52

Grade 372 is a high-purity, acid-treated cellulose laboratory filter paper. Mechanically strong, this grade has medium flow rate and quick particle retention and is most commonly used for quantitative or as a gravimetric filter during analysis requiring high chemical resistance to strong acid and alkali metal samples and in the collection of hydroxides. The acid-treated surface prevents tearing during filtration and allows the user to scrape precipitates from the paper.

Whatman Cross Reference = No.52
Speed class Medium
Thickness (mm) 0.15
Pore size (μM) 5-8
Weight (g/m²) 84
Filtration Speed (sec*) 50
Burst Strength (Kg/cm²) >0.3
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product code 372055 diameter 55
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product code 372125 diameter 125
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product code 372150 diameter 150
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