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Like Grade 238
Glass microfiber paper is used to support food product samples when they are dried
This grade offers better filtration speed and a higher loading capacity than an analytical filter paper of similar particle retention
Grade 74 is also used as a high purity filter for speedy filtering of trace elements such as silver chromate
coal and coke
Glass Microfiber Filter Paper - 1310-0700 - Grade 131, 7cm 111 Like Grade 238Ahlstrom 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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