...kindjy com leading Lab Analysis Filter Paper, Chemical Analysis Filter Paper, Qualitative Filter Paper, Quantitative(Ashless)Filter Paper. Feature: Filter paper Is manufactured with high grade fine cotton as raw material, through modern original paper making technology and advanced paper making equipment.It s pure cotton paper of high purity and even structure, and possessed certain filter speed and certain strength.the products are widely used for scientific research, industry, agriculture, medicine hygiene, as well as environmental protection, etc.for use of qualitative quantitative analysis as well as chromatographic analysis and test. Filtration Speed:Fast Speed, Medium(Moderate) Speed, Slow Speed. Diameter of Circular Filter Paper:70mm, 90mm, 110mm, 125mm, 150mm, 180mm, 185mm, 220mm, 240mm, 500mm Square Filter paper: 300*300mm, 600*600mm, 700*700mm, 800*800mm, 850*850mm, 900*900mm, 460*570mm etc. Standard:GB/T 1914-2007, ASTME832-81, throught ISO 9001:2008, ISO 14001 , SGS, CE, RoHs certification etc. TECHNICAL DATA OF CHEMICAL ANALYSIS FILTER PAPER ITEMS UNIT Qualitative filter paper Quantitative filter paper Fast speed Medium Slow speed Fast speed Medium Slow speed No.101 No.102 No.103 No.201 No.202 No.203 Basis weight GSM 80 80 80 80 80 80 Precipitate Coarse and Gelatinous Precipitate Crystalline Fine Crystalline Coarse and Gelatinous Precipitate Crystalline Fine Crystalline ≤ Filter speed （S） 35 70 140 35 70 140 ≤ Ash Content % 0.15 0.15 0.15 0.01 0.01 0.01 ≤ Fe Content % 0.003 0.003 0.003 0.003 0.003 0.003 Water Extracts PH 6.5-7.5 6.5-7.5 6.5-7.5 5-8 5-8 5-8 Pore Size μm 20~25 15~20 10~15 20~25 15~20 10~15 ≤ Water Soluble Chloride % 0.02 0.02 0.02 0.02 0.02 0.02 Similar to Whatman brand No.4 No.1 No.5 No.41 No.40 No.42 No.44 Size Size 60X60CM Diameter of Circular Filter Paper: 70.90.110.125.150.180MM We can supply other specifications according to the requirement of customers. 60X60CM Diameter of Circular Filter Paper: 70.90.110.125.150.180MM We can supply other specifications according to the requirement of customers. Item Model Size Basis weight Packing Qualitative filter paper fast speed 101 Square (L x W): 600 mmx 600 mm, 460mmx 570mm Round (diameter): 70mm, 90mm, 110mm, 125mm, 150mm, 185mm 80g/m2 Square:100sheets/package 10packages/carton Round:100sheets/box 50boxes/carton moderate speed 102 slow speed 103 Ashless filter paper fast speed 201 Round (diameter): 70mm, 90mm, 110mm, 125mm, 150mm, 185mm 80g/m2 Round:100sheets/box 50boxes/carton moderate speed 202 slow speed 203
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