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Your cart is empty.A world standard for critical gravimetric analysis with the finest particle retention of all Whatman cellulose filter papers. Typical analytical precipitates include barium sulphate, metastannic acid and finely precipitated calcium carbonate. Retention: 2.5µm. Diameter: 12.5cm. 100/Pack. Whatman #: 1442-125.
Randi
2025-06-18 20:09:21
I have been using these filters for years for a standard lab test - filtering the particles from a solution to weigh them. The quality is consistent and they perform as expected.
wfr
2025-02-08 17:10:58
This product worked fine. Used to filter homemade cocktail bitters.
alejandro norori
2025-02-02 18:28:11
i sell laboratory products , all my clients like this so i recomend it .
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