MACHEREY-NAGEL - Filters and Filtration - Chromatography - Lab supplies

By using CHROMAFIL filtration products (syringe filters, filtration cartridges, 96-well plates) unwanted particles are removed which can otherwise cause contamination and clogging of sensitive instrumentation. So, filtering your samples leads to an increase of lifetime and less downtime of chromatographic columns and equipment as well as gives more consistent and reproducible results. Inside the filter products are membranes with hydrophilic or hydrophobic properties. For example the hydrophilic multipurpose PET membrane is suitable for polar as well as nonpolar solvents. MACHEREY‑NAGEL offers a wide selection of membranes in syringe filters. CHROMAFIL Xtra are syringe filters that are labeled for method validation and certification. Filtration cartridges are supplied with regenerated cellulose, glass fiber, polytetrafluoroethylene, polyester (polyethylene terephthalate) as well as with polyvinylidene difluoride membrane in different pore sizes and cartridge volumes. CHROMAFIL 96‑well polypropylene plates with different membrane types for simultaneous filtration of 96 samples are also available.

Catalog No.		Product	Net Price
	MN729048	Syringe filters, color coded, CHROMAFIL PA, 15 mm, 0.2 µm	Special offer	Add to Cart
Hazardous material No Method Filtration Brand CHROMAFIL Hardware Polypropylene (PP) housing with filter membrane Recommended application(s) For filtration of medium polar organic-aqueous liquids, Suitable for UHPLC, core-shell and HPLC columns packed with particles > 3 µm, GC, SFC Storage temperature RT
	MN729049	Syringe filters, color coded, CHROMAFIL PA, 15 mm, 0.45 µm	Special offer	Add to Cart
Hazardous material No Method Filtration Brand CHROMAFIL Hardware Polypropylene (PP) housing with filter membrane Recommended application(s) For filtration of medium polar organic-aqueous liquids, Suitable for HPLC columns packed with particles > 3 µm, GC, SFC Storage temperature RT
	MN729212	Syringe filters, labeled, CHROMAFIL Xtra PA, 25 mm, 0.2 µm	Special offer	Add to Cart
Hazardous material No Method Filtration Brand CHROMAFIL Xtra Hardware Polypropylene (PP) housing with filter membrane Selling unit 100 pieces, 400 pieces Recommended application(s) For filtration of medium polar organic-aqueous liquids, Suitable for UHPLC, core-shell and HPLC columns packed with particles > 3 µm, GC, SFC Storage temperature RT
	MN729213	Syringe filters, labeled, CHROMAFIL Xtra PA, 25 mm, 0.45 µm	Special offer	Add to Cart
Hazardous material No Method Filtration Brand CHROMAFIL Xtra Hardware Polypropylene (PP) housing with filter membrane Selling unit 100 pieces, 400 pieces Recommended application(s) For filtration of medium polar organic-aqueous liquids, Suitable for HPLC columns packed with particles > 3 µm, GC, SFC Storage temperature RT
	MN729248	Syringe filters, labeled, CHROMAFIL Xtra PA, 13 mm, 0.2 µm	Special offer	Add to Cart
Hazardous material No Method Filtration Brand CHROMAFIL Xtra Hardware Polypropylene (PP) housing with filter membrane Recommended application(s) For filtration of medium polar organic-aqueous liquids, Suitable for UHPLC, core-shell and HPLC columns packed with particles > 3 µm, GC, SFC Storage temperature RT
	MN729249	Syringe filters, labeled, CHROMAFIL Xtra PA, 13 mm, 0.45 µm	Special offer	Add to Cart
Hazardous material No Method Filtration Brand CHROMAFIL Xtra Hardware Polypropylene (PP) housing with filter membrane Recommended application(s) For filtration of medium polar organic-aqueous liquids, Suitable for HPLC columns packed with particles > 3 µm, GC, SFC Storage temperature RT
	MN729020	Syringe filters, color coded, CHROMAFIL PET, 25 mm, 0.45 µm	Special offer	Add to Cart
Hazardous material No Method Filtration Brand CHROMAFIL Hardware Polypropylene (PP) housing with filter membrane Selling unit 100 pieces, 400 pieces Recommended application(s) General purpose HPLC columns packed with particles > 3 µm, GC, SFC, HPLC, especially suited for mixtures (mid-polar) of water and organic solvents, Suitable for aqueous, polar, hydrophilic as well as nonpolar, organic, hydrophobic solvents/samples with high particle-load, TOC/DOC (ppm) determinations Storage temperature RT
	MN729021	Syringe filters, color coded, CHROMAFIL PET, 25 mm, 0.2 µm	Special offer	Add to Cart
Hazardous material No Method Filtration Brand CHROMAFIL Hardware Polypropylene (PP) housing with filter membrane Selling unit 100 pieces, 400 pieces Recommended application(s) HPLC, especially suited for mixtures (mid-polar) of water and organic solvents, Suitable for aqueous, polar, hydrophilic as well as nonpolar, organic, hydrophobic solvents/samples with high particle-load, Suitable for UHPLC, core-shell and HPLC columns packed with particles > 3 µm, GC, SFC, TOC/DOC (ppm) determinations Storage temperature RT
	MN729022	Syringe filters, color coded, CHROMAFIL PET, 15 mm, 0.2 µm	Special offer	Add to Cart
Hazardous material No Method Filtration Brand CHROMAFIL Hardware Polypropylene (PP) housing with filter membrane Recommended application(s) HPLC, especially suited for mixtures (mid-polar) of water and organic solvents, Suitable for aqueous, polar, hydrophilic as well as nonpolar, organic, hydrophobic solvents/samples with high particle-load, Suitable for UHPLC, core-shell and HPLC columns packed with particles > 3 µm, GC, SFC, TOC/DOC (ppm) determinations Storage temperature RT
	MN729023	Syringe filters, color coded, CHROMAFIL PET, 15 mm, 0.45 µm	Special offer	Add to Cart
Hazardous material No Method Filtration Brand CHROMAFIL Hardware Polypropylene (PP) housing with filter membrane Recommended application(s) General purpose HPLC columns packed with particles > 3 µm, GC, SFC, HPLC, especially suited for mixtures (mid-polar) of water and organic solvents, Suitable for aqueous, polar, hydrophilic as well as nonpolar, organic, hydrophobic solvents/samples with high particle-load, TOC/DOC (ppm) determinations Storage temperature RT

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Overview

Chemical compatibility of CHROMAFIL membrane and housing material

The chemical compatibility depends on several parameters such as time, pressure, temperature and concentration. In most cases, CHROMAFIL products will have only short contact with a solvent. In these cases they may be used despite of limited compatibility. For example, a PTFE filter with PP housing does not liberate any UV-detectable substances during filtration of 5 mL THF, although PP shows only limited resistance towards THF.

Materials used in CHROMAFIL products

MV = Cellulose mixed ester

CA = Cellulose acetate

RC = Regenerated cellulose

PA = Polyamide

PTFE = Polytetrafluoroethylene

H-PTFE = hydrophilized polytetrafluoroethylene

PVDF = Polyvinylidenedifluoride

PES = Polyethersulfone

PET = Polyester

GF = Glass fiber

IC = Special membrane for Ion chromatography

PP = Polypropylene (housing material)

Resources

Brochure-CHROMAFIL-Xtra-EN

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