Glass Microfiber Filter Paper - 1110-1250 - Grade 111, 12.50cm 2.40cm Grade 131 is recommended for

Grade 131 is recommended for the collection of suspended solids in potable water and in industrial wastes

This grade has medium flow rate and good particle retention and is most commonly used for applications requiring high chemical resistance to strong acid and alkali

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Grade 111 is also well suited for filtration of water and protein

Ahlstrom-Munksjö 26

Glass Microfiber Filter Paper - 1110-1250 - Grade 111, 12.50cm 2.40cm Grade 131 is recommended forAhlstrom Munksj 111 1. 2 m, Fast Speed This grade offers fine particle retention with high filtration speed and good loading capacity. Grade 111 is used in general laboratory filtration including atmospheric and water pollution monitoring such as intake controls, ozone level, and water effluents. Grade 111 is also well suited for filtration of water and protein, testing of algae, bacteria cultures and for radioimmunoassay with weak beta emitters.