Catálogo General de Material para Laboratorio

724 Filter Papers w e b c o d e WW6PB005 Hardened Low Ash Filter Papers for Qualitative Analysis, Hahnemühle Very low mineral content (mean ash content 0.05 %) and extremely high mechanical and chemical stability, recommended particularly for vacuum and pressure filtration and for acidic and alkaline solutions. • Very high wet strength; precipitations can be wiped off or washed off easily and free of fibres • High resistance to aggressive chemical components, like sulphuric and nitric acids (up to 40% at 50° Celsius) and alkalis (up to 10% at 20° Celsius) Technical specifications: Grade Properties Filtration Herzberg s Retention of particles 2) µm Weight g/m 2 Thickness mm 1573 fast 50 12 – 25 88 0.17 1574 medium fast 170 7 – 12 90 0.16 1575 slow 600 1) 2 92 0.14 1) Measured with 100 mm water column instead of 50 mm 2) Approximate values Sheets Grade Dimensions mm Order No. PU pc/Pack 1574 460 × 570 10 15 97446 100 Folded filters Gra- de Ø mm Order No. PU pc/Pack Gra- de Ø mm Order No. PU pc/Pack 1573 125 10 15 97394 100 1573 240 10 15 97396 100 1573 185 10 15 97395 100 1574 240 10 15 94241 100 Filter circles Gra- de Ø mm Order No. PU pc/Pack Gra- de Ø mm Order No. PU pc/Pack 1573 90 10 15 97309 100 1574 150 10 15 97415 100 1573 125 10 15 97312 100 1574 240 10 15 97416 100 1573 150 10 15 97315 100 1575 55 10 15 97507 100 1573 185 10 15 97318 100 1575 70 10 15 97508 100 1573 240 10 15 97319 100 1575 110 10 15 97511 100 1574 47 10 15 97403 100 1575 125 10 15 97512 100 1574 70 10 15 97404 100 1575 150 10 15 97515 100 1574 90 10 15 97409 100 1575 240 10 15 97516 100 1574 110 10 15 97411 100 Other sizes on request. w e b c o d e WW6PB020 Cytocentrifuge Papers, Hahnemühle Pure, absorbent papers for centrifugation. The filter papers 2589c and 2589d are available cut to standard format 25 mm × 75 mm, each with two 6 mm holes. Grade Dimensions mm Weight g/m 2 Order No. PU pc/Pack 2589c 25 × 75 400 10 15 92589 200 2589d 25 × 75 500 10 15 92590 200 w e b c o d e WW7R3316 Folded Filters, IDL Folded filter for qualitative analyses, made of 100% cellulose, medium-quick filtering. Retention range: 5 to 8 µm Filtering speed acc. to Herzberg: 50 sec. Grammage: 87 g/m 2 Paper thickness: 0.16 mm Packaging unit: 100 counts in dispensing box Ø mm Order No. Ø mm Order No. 90 10 00 11302 150 10 00 11305 110 10 00 11303 185 10 00 11306 125 10 00 11304 Separating Systems Filtration