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Ahlstrom Grade 222 is a 100% cotton medium thick chromatography paper with a smooth and uniform texture
Sample Pads are available in sheets and circles
Grade 151 is used in combination with Grade 141 as a highly efficient protective and retentive pre-filter to extend the loading capacity of membrane filters
This medium thick paper is recommended for general chromatography applications
Glass Microfiber Filter Paper - 1410-0210 - Grade 141, 2.10cm Quantitative Ahlstrom Grade 222 is aAhlstrom 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.
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