Glass Microfiber Filter Paper - 1110-2500 - Grade 111, 25cm 3.70cm Grade 121 is also used

Grade 121 is also used in membrane pre-filtration and is also found in quantification of solids

: aluminum and zirconium hydroxides) in acid and alkali solutions

Ahlstrom-Munksjö 55

Grade 74 is also found in general soil analysis for separating solid from aqueous extracts

Grade 55 is also used in air and foodstuffs analysis and for chloride and phosphorous in cement

Glass Microfiber Filter Paper - 1110-2500 - Grade 111, 25cm 3.70cm Grade 121 is also 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.