Cope-LLG Catalogue 2018

692 6. Distillation, separation, filtration Filtration/Filter paper, quantitative GENERAL CATALOGUE EDITION 20 E & OE. LLG-Filter papers for quantitative analysis Made from 100% cellulose. Ash content 0.007%. Filtration speed according to DIN 53137. Capacity of separation according to DIN 53135. LLG-Quantitative filter paper, circles Fast, pore size 12 to 15 µm - for coarse, high volume precipitates - for determinations according to the German Standard Methods for the examination of water, waste water and sludge. - for Fe(OH) 2 , Al(OH) 3 , NaSO 4 - ashless, equivalent black tape 1 Diam. Filtration time PK Cat. No. mm secs. 70 90 110 125 150 185 10 10 10 10 10 10 100 100 100 100 100 100 9.045 840 9.045 841 9.045 842 9.045 843 9.045 844 9.045 845 1 LLG-Quantitative filter paper, circles Medium fast/fast, pore size 8 to 12 µm. - most frequently used quantitative filter - for PbS, Ag 2 S, FeS, carbonates - ashless, equivalent white tape 2 Diam. Filtration time PK Cat. No. mm secs. 90 110 125 150 185 200 20 20 20 20 20 20 100 100 100 100 100 100 7.970 057 7.970 000 7.970 058 7.970 001 7.970 002 6.242 179 2 LLG-Quantitative filter paper, circles Medium fast, pore size 5 to 8 µm. - for NH 4 MgPO 4 , CaC 2 O 4 , BaSO 4 - ashless, equivalent red tape 3 Diam. Filtration time PK Cat. No. mm secs. 55 70 90 110 125 150 185 240 50 50 50 50 50 50 50 50 100 100 100 100 100 100 100 100 6.256 437 7.970 571 7.970 032 6.242 748 7.970 045 6.252 765 6.242 747 7.970 591 3 LLG-Quantitative filter paper, circles Slow, pore size 2 to 3 µm. - for very fine precipitates and small particles - for soil analysis - for BaSO 4 (hot precipitate), PbSO 4 , Cu 2 O, ZnS, NiS - ashless, equivalent blue tape 4 Diam. Filtration time PK Cat. No. mm secs. 70 90 110 125 150 185 320 180 180 180 180 180 180 180 100 100 100 100 100 100 100 7.970 271 9.045 850 6.242 670 9.045 851 9.045 852 6.242 669 7.970 611 4