Glass Microfiber Filter Paper - 1410-3200 - Grade 141, 32cm 151 Slow Speed

Slow Speed

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

which is then acid-washed using IN HNO3

Suitable for heating up to temperatures less than 500° C

Glass Microfiber Filter Paper - 1410-3200 - Grade 141, 32cm 151 Slow SpeedAhlstrom Munksj 141 3. 1 m, Fast Speed This grade offers better filtration speed and a higher loading capacity than an analytical filter paper of similar particle retention. Grade 141 is particularly recommended for pre filtration of membrane filters and is also used in combination with Grade 121 as a highly efficient protective and retentive grade density pre filter for membrane filters.