Quantitative Filter Paper - 0940-0425 - Grade 94, 4.25cm 26 This high performance grade is

This high performance grade is designed to retain extremely fine particles down to 0

which is then acid-washed using IN HNO3

This very thick grade offers finer particle than Grade 111 with high wet strength and loading capacity

coal and coke

Grade 121 is recommended for the clarification of liquid suspensions loaded with fine particulates

Quantitative Filter Paper - 0940-0425 - Grade 94, 4.25cm 26 This high performance grade isAhlstrom Munksj 94 1. 5 m, Slow Speed This is an extremely fine retention filter for critical gravimetric analysis of very fine particles such as barium and lead sulfates, stannic and nickel sulfide, calcium oxalate and calcium fluoride.