Measurement of Organic Halides in Water and Wastewater EPA Standard 1650 (AOX Method) (4663G77 and G79) For filtration of water sample after acidification and slurry with activated charcoal to adsorb organic halides. Filter and residue are combusted and halogen atoms converted to ions for…

Wide chemical resistance Hydrophilic Smooth, flat surface Autoclavable Recommended for: aerosol analysis, trace element analysis, gunshot residue testing and filtration of aggressive solutions pH range: 4-8 Thin, track-etched precision filters, similiar to the PCTE…

MicronSep White Packs Available pre-sterilized or autoclavable with gridded surface. Autoclavable filters come in envelopes of 10 filters and 10 absorbent cellulosic pads. The envelopes are designed to withstand normal autoclaving environments and feature an indicator that changes color after…

Wide chemical compatibility Naturally hydrophilic Wide range of pore sizes Recommended for: aqueous, solvent and mobile phase filtration; HPLC sample penetration and solvent filtration; clarification and sterilization Autoclavable pH range: 3-12 Manufactured using a…

Broad chemical compatibility Hydrophilic Low protein binding Recommended for: aqueous and organic solvent filtration; HPLC sample preparating requiring low detection levels; ion chromatography; total digest for heavy metals pH range: 1-14 Composed of pure polypropylene…

For epifluorescence microscopy Smooth flat surface- micro-organisms are retained in one plane on the surface Do not stain Essentially zero autofluorescence Recommended for: epifluorescence microscopy; water testing; observation of bacteria (0.2-5 µm), yeasts and molds…

Microporous filters with precisely controlled pore size Hydrophilic- treated with PVP Smooth, flat surface Recommended for: water analysis and oceanography; surface capture for analysis; chemotaxis; microscopy; cytology (3, 5 and 8 µm); low protein binding applications pH…

Aggressive chemical compatibility Inherently hydrophobic Laminated and unlaminated Unlaminated membranes are more compatible with strong acids, aggressive solvents and high temperatures Recommended for: aggressive solvents, strong acids or base filtration; sterilization,…

For chemotaxis and venting applications Smooth flat surface Recommended for: chemotaxis, cell studies, PVP-free for coating applications Hydrophobic polycarbonate membrane filters are identical to the standard PCTE filters except they are manufactured without the wetting agent.…

Microbiological Monitor: The membrane is fixed to the unit. Available 47 mm or 56 mm Features and Benefits: Rapid testing: Pre-sterilized reduces testing time by up to 70% No flaming required: Combined filtration unit minimizes the risk of cross-contamination Filtration…

Lowest protein binding filter available Hydrophilic Higher strength Recommended for sterilization applications including tissue culture media, protein, enzyme and biological fluid pH range: 1-14 Modified, pure cellulose acetate offers the lowest binding of any available…

Uniform pore structure for low binding applications where reliable, fast flow rates and high throughputs are required Polyethersulfone Plain surface Hydrophilic Withstands temperatures up to 135°C Filters are inert, providing extremely low extractable levels in…