Glass Microfiber Filter Paper - 1110-0470 - Grade 111, 4.70cm 9cm iron) found in heavy industries

iron) found in heavy industries such as construction

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 75 is often used for filtering trace elements

Grade 74 is also used as a high purity filter for speedy filtering of trace elements such as silver chromate

Ahlstrom-Munksjö 54

Glass Microfiber Filter Paper - 1110-0470 - Grade 111, 4.70cm 9cm iron) found in heavy industriesAhlstrom 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.