Glass Microfiber Filter Paper - 1110-0425 - Grade 111, 2.35cm 5.50cm Grade 75 is often used

Grade 75 is often used for filtering trace elements

This grade has medium flow rate and good particle retention and is the most commonly used acid-washed filter

iron) found in heavy industries such as construction

and cobalt sulfide

Glass Microfiber Filter Paper - 1110-0425 - Grade 111, 2.35cm 5.50cm Grade 75 is often usedAhlstrom 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.