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and related EPA and ASTM protocols
Medium Speed
coal and coke
Ahlstrom-Munksjö grade 161
Grade 1765 is white and Grade 1766 is tinted gray for improved visibility of fine root systems
Glass Microfiber Filter Paper - 1410-1420 - Grade 141, 14.20cm 20cm x 20cm and related EPA and ASTMAhlstrom 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.
US$ 110.00
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