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Grade 111 is also recommended for filtering solvents in a high-resolution laboratory
Grade 243 offers both moderately high flow and absorption and is recommended for chromatography of heavy solute loading
Ahlstrom Grade 222 is a 100% cotton medium thick chromatography paper with a smooth and uniform texture
Grade 74 is also used as a high purity filter for speedy filtering of trace elements such as silver chromate
Element mg/L Ag 0
Glass Microfiber Filter Paper - 1510-1500 - Grade 151, 15cm 193 Grade 111 is also recommendedAhlstrom Munksj 151 0. 7 m, Slow Speed This high performance grade is designed to retain extremely fine particles down to 0. 7 m. Grade 151 has retention comparable to membrane filter while providing high flow and loading capacity. Grade 151 is recommended for filtering fine precipitated proteins. In the filtration of nucleic acids and difficult biochemical solutions, Grade 151 is used in combination with Grade 141 as a highly efficient protective and
