Lab Equipment

A range of standard, purified and defatted cellulose powders for column chromatography. Cellulose MN 100: standard grade native fibrous cellulose Average degree of polymerization 620-680, fiber length (85%) 20-100?m, specific surface acc. to Blaine ~6500cm2/g residue on ignition <10000ppm, <20ppm Fe, <5ppm Cu, <7ppm P, dichloromethane extract Cellulose MN 2100: Purified grade native fibrous cellulose (washed with different eluents) Average degree of polymerization 620-680, fiber length (85 %) 20-75?m, specific surface acc. to Blaine ~ 5500cm2/g residue on ignition <1000 ppm, <2ppm Fe, <1ppm Cu, <2ppm P, dichloromethane extract <0.15% Grade MN 2100ff: Defatted Cellulose MN 2100 with a dichloromethane extract <0.02% Filter Paper Grades Below is a filter paper grade comparison between Macherey Nagel and Whatman. Whatman Filter Paper Grades Macherey Nagel?Filter Paper Grades 1 615 1Chr 260 1PS 616 wa 2 616 md (until 07.01.2009 616)? 3 618 2Chr 261 3Chr (818) 4 617 4Chr (260) 5 619 de 6 619 eh 11 615 17 Chr 440 20Chr 261 30 680 m 31 680 w 31ETChr 827 32 680 d 40 640 md 41 640 w 42 640 d 43 640 m? 44 640 dd 50 1640 d 52 1640 m 54 1640 we 91 126/70 93 713 113 651/120 114 616 115 1674 540 1640 m 541 1640 w? 542 1640 d GF/A GF-1 GF/B GF-2 GF/C GF-3 GF/D GF-4 GF/F GF-5 934-AH GF-6 3MM 218 (5)802 (651) QM-A QF-10 Feefo Reviews