Glass Microfiber Filter Paper - 1410-0210 - Grade 141, 2.10cm Quantitative Ahlstrom Grade 222 is a

Ahlstrom Grade 222 is a 100% cotton medium thick chromatography paper with a smooth and uniform texture

and water effluents

Grade 1765 is white and Grade 1766 is tinted gray for improved visibility of fine root systems

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.