FILTER PAPER

BOECO FILTER PAPERS QUANTITATIVE FILTERS quantitative ashless filter papers are recommended for quantitative analysis. As quantitative analysis requires a high purity, these filters are beeing washed out with acid 388 - black spot - fast filtering, wide pores, ashless hardened For coarse and voluminous precipitates such as iron- aluminium and chromium hydroxide; Si-determination in steel and pig iron analysis Filtration velocity: 10 ml / 9 seconds Typical Pore Size: 12 - 15 urn Grade/Descri ption 55 mm FTR 3.101.055 388 / Filter discs. Black dot 100 389 - wife spot - medium fast filtering, medium...

390 - green spot - slowly filtering, narrow pores, ashless hardened Filtration of fine precipitates such as lead dioxide, calcium fluoride nickel sulphide, zinc sulphide Basis Weight: Filtration velocity: Typical Pore Size: 55 mm FTR 3.103.055 390 / Filter discs. Green dot 100 391 - blue spot - very slowly filtering, fine pores, ashless hardened Fine-grained precipitates such as barium sulphate, metannic acid, cupros Filtration velocity: 10 ml / 180 seconds Typical Pore Size: 2 - 3 urn 55 mm FTR 3.104.055 391 / Filter discs. Green dot 100 393 - purple spot - particulary slow filtering, especially...

QUALITITATIVE FIL TERS Grade 1288 - wide-pored, spongy structure, soft, very high rate of filtration coarse-flocculent and bulky precipitates, in particular hydroxides of iron, aluminium and chromium; sulphides of copper, bismuth, cobalt and iron; various organic metal precipitates; determination of silicon in the analysis of steel and pig iron, etc. Basis Weight 84 g/m2 Filtration velocity: 10 ml / 10 seconds Typical Pore Size: 12 - 15 µm Similar to: Whatmann 4, S&S 604, M-N 617 Diam. 55 mm 70 mm 90 mm 110 mm 125 mm 150 mm 185 mm 240 mm Grade/Description 1288 / Filter discs. 1288 / Filter discs....

Grade 292 - medium to slowly filtering, medium tight fast filtration of fine precipitates such as calcium oxalate, magnesium ammonium phosphate, coarser forms of barium sulphate Basis Weight 87 g/m2 Filtration velocity: 10 ml / 50 seconds Typical Pore Size: 5 - 8 µm Similar to: Whatmann 1, S&S 593, M-N 616 md Diam. 55 mm 70 mm 90 mm 110 mm 125 mm 150 mm 185 mm 240 mm Grade/Description 292 / Filter discs. 292 / Filter discs. 292 / Filter discs. 292 / Filter discs. 292 / Filter discs. 292 / Filter discs. 292 / Filter discs. 292 / Filter discs. Grade 292a - slowly filtering, narrow pores filtration...

GLASS MICROFIBRE FIL TERS Grade MGA Highly efficient for general laboratory filtration, clarification of buffer and reagent solutions corresponds to many international standards for air and water pollution monitoring Basis Weight 52 g/m2 Thickness 0,25 mm Particle Retention 1,6 µm in liquids: Pressure Drop: 33 mbar (a=10 m2, flow velocity 40 cm/sec. ) Finish: binder-free Similar to: Whatmann GF/A, S&S GF 50, M-N GF 1 MICRO-GLASS FIBRE FIL TERS BINDER FREE UNDER A RASTER ELECTRON MICROSCOPE Grade/Description MGA / Glass Microfibre MGA / Glass Microfibre MGA / Glass Microfibre MGA / Glass Microfibre...

CELLULOSE EXTRACTION THIMBLES for Soxhlet extraction Grade 30 extraction thimbles made of cellulose, are perfect sample reservoirs for Soxhlet extraction in quality control, research and/or analysis. Solvent extraction from solids and semi-solids can be carried out easily and reliably. The thimbles fit Soxhlet extractors and automatic extractors. Material Shape Max. Temp. Res.: ID 22 25 25 26 30 33 33 33 43 1. 2. 3. 4. xH x 80 mm1. x 80 mm x 100 mm1. x 60 mm3. x 80 mm x 80 mm2.,3.,4. x 94 mm1. x 118 mm x 123 mm1. fits fits fits fits Cellulose hollow cylinders with round bottom 120 °C Code FTR...

SYRINGE FIL TERS Sartorius Cellulose acetate syringe filters are used for the filtration of volumes up to 100 ml. The syringe filters units are ideal for applications requiring maximum sample recovery such as: Tissue culture preparation, sterile filtration and clarification of biological fluids, specimen solutions, protein and enzyme filtration, hydridization buffers and other aqueous solutions. Specification: Pore size Color code Membrane Housing Diameter Filter aerea Idle Volume Bubble Point Max. Pressure Burst Strength Max. temperature Flow Rate (water) Hydrophilic Inlet Outlet Presentation...