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and cobalt sulfide
Grade 74 is also found in general soil analysis for separating solid from aqueous extracts
This is our most widely used blotting paper
This standard grade found in many environmental applications offers slightly more retention than Grade 111 with slightly lower filtration speed and loading capacity
which is then acid-washed using IN HNO3
Glass Microfiber Filter Paper - 1690-0550 - Grade 169, 5.50cm 74 and cobalt sulfideAhlstrom Munksj 169 1. 0 m, Fast Speed This glass microfiber grade is a smooth surface, binder free filter with unique high temperature resistance. It offers fine particle retention and product stability to over 500 degrees Centigrade. The temperature resistance makes Grade 169 well suited for suspended solids determination, volatile solids testing, air pollution testing, and related EPA and ASTM protocols. (100 circles box) Grade 169 for STM2540 E
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