Cope-LLG Catalogue 2018

712 6. Distillation, separation, filtration Filtration/Syringe filters GENERAL CATALOGUE EDITION 20 E & OE. Syringe filters CHROMAFIL ® CHROMAFIL ® syringe filters are used for filtration of suspended matter from liquid samples. HPLC-Certification available on the internet Polypropylene housing Better solvent stability compared to acrylate and polystyrene filters Shells ultrasonically sealed, not glued No extractable components from glues Filtration in both directions possible, the liquid cannot bypass the membranes Luer lock on side of entry Safe connection on the "high pressure" side Luer exit Standard luer for 3 mm and 25 mm filters, minispike luer with low dead volume and small OD for 15 mm filters Deflector The stream of liquid is broken and distributed, and does not directly hit the membrane: this prevents rupture of the membrane Star-shaped distribution device The liquid is evenly distributed to the whole membrane surface: this results in a better utilisation of the total area; the filter is not rapidly clogged up; high flow efficiency Colour coded Filters with 0.2µm pores have a yellow upper housing, for filters with 0.45µm pores this is colourless; the different membrane types are distinguished by different colours Low dead volume ~80µl for 25 mm, 12µl for 15 mm, 5µl for 3 mm. Specifications The membrane housing consists of polypropylene (PP). This material is very resistant towards most solvents and has a very low extractable substances content. Thus it can be used with almost all solvents, acids and bases (see table). The especially thick rim of the housing is ideal for use with laboratory robots (e.g. Benchmate ™ ). Filter inlet and filter outlet can be fitted to the CHROMABOND ® columns for selective sample preparation with the aid of a special adaptor. All filters can be autoclaved at 121 °C and 1.1bar for 30min. Chromafil TM Xtra: Labelled for method validation and certification. Colour-free plain polypropylene housing. Imprint for direct identification of the membrane type, diameter and pore size. Syringe filter CHROMAFIL ® , Cellulose acetate (CA) Hydrophilic membrane for filtration of water-soluble oligomers and polymers, especially suited for biological macromolecules. Very high shape stability in aqueous solutions extremely low binding capacity for proteins (21 µg/ 25 mm filter). 1 MACHEREY-NAGEL Type Filter diam. Pore size Housing PK Cat. No. mm µm non sterile non sterile non sterile non sterile non sterile non sterile non sterile non sterile non sterile non sterile sterile sterile 13 13 25 25 25 25 25 25 25 25 25 25 0.20 0.45 0.20 0.20 0.20 0.20 0.45 0.45 0.45 0.45 0.20 0.45 PP-colourless/labelled* PP-colourless/labelled* PP-yellow/red PP-yellow/red PP-colourless/labelled* PP-colourless/labelled* PP-colourless/red PP-colourless/red PP-colourless/labelled* PP-colourless/labelled* PP-yellow/red PP-colourless/red 100 100 100 400 100 400 100 400 100 400 50 50 7.971 473 6.287 307 9.049 038 9.049 039 4.003 419 4.003 420 9.049 040 9.049 041 4.003 421 4.003 422 9.049 036 9.049 037 *CHROMAFIL ® Xtra 1 Syringe filter CHROMAFIL ® , Cellulose mixed ester (MV) Hydrophilic membrane. This membrane is recommended for all filtrations in aqueous or polar organic samples. 2 MACHEREY-NAGEL Type Filter diam. Pore size Housing PK Cat. No. mm µm non sterile non sterile non sterile non sterile non sterile non sterile non sterile non sterile 25 25 25 25 25 25 25 25 0.20 0.20 0.20 0.20 0.45 0.45 0.45 0.45 PP-yellow/yellow PP-yellow/yellow PP-colourless/labelled* PP-colourless/labelled* PP-colourless/yellow PP-colourless/yellow PP-colourless/labelled* PP-colourless/labelled* 100 400 100 400 100 400 100 400 9.049 030 9.049 031 4.003 407 4.003 408 9.049 032 9.049 033 4.003 405 4.003 406 *CHROMAFIL ® Xtra 2