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This is an extremely fine retention filter for critical gravimetric analysis and metal determination of very fine particles such as barium and lead sulfates
Grade 111 is also well suited for filtration of water and protein
Grade 121 is recommended for the clarification of liquid suspensions loaded with fine particulates
and microscopy
Glass Microfiber Filter Paper - 1110-0900 - Grade 111, 9cm Syringe Filters This is an extremely fineAhlstrom 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.
