Glass Microfiber Filter Paper - 1510-1500 - Grade 151, 15cm 193 Ahlstrom Grade 222 is a

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

and in the monitoring of air and water pollution

Grade 111 is also recommended for filtering solvents in a high-resolution laboratory

Grade 74 is also used as a high purity filter for speedy filtering of trace elements such as silver chromate

Glass Microfiber Filter Paper - 1510-1500 - Grade 151, 15cm 193 Ahlstrom Grade 222 is aAhlstrom 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