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This high absorbency grade is twice as thick as Grade 642 with similar particle retention
EPA method 1311
Grade 237 is also highly suitable for use in Buchner funnels and for dye filtration
Grade 74 is also used as a high purity filter for speedy filtering of trace elements such as silver chromate
Glass Microfiber Filter Paper - 1310-0700 - Grade 131, 7cm 111 This high absorbency grade isAhlstrom Munksj 131 1. 0 m, Medium Speed This standard grade found in many environmental applications offers slightly more retention than Grade 111 with slightly lower filtration speed and loading capacity. Grade 131 is recommended for the collection of suspended solids in potable water and in industrial wastes. In biochemical tests, Grade 131 is suited for cell harvesting, liquid scintillation counting and the analysis of carbohydrates.
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