Filters, Capsule

This filter grade is made of cellulose and diatomaceous earth and offer a much better separating capability than pure cellulose papers at the same rate of filtration. This grade quickly retains the finest particles at high flow rates. This paper grade is generally used for analytical and technical...

Hardened Low Ash Quantitative Filter Paper, Ahlstrom 388 Suitable for routine gravimetric analysis and typical preparation of samples for use in analysis involving instrumental techniques. Low ash grades have intermediate ash content between qualitative grades and ashless grades. Grade 388 is fast...

Ahlstrom manufactures a series of extremely high purity, acid washed filter papers designed for use in analytical and gravimetric analysis. The quantitative grades are manufactured from top quality cotton linters using ultra-pure, reverse-osmosis water and are further treated with dilute acid to...

These filters are washed three times with deionized water, dried at 105°C, then furnace treated at 550°C to remove any volatile components. They are then weighed to 0.0001g. Each filter is in an individual aluminum pan with the filter weight printed on a Mylar® label affixed to the pan....

Ahlstrom 480 is a hydrophobic silicone-impregnated paper intended for phase separation.

mdi Nylon-66 membrane syringe filters are color coded for ease of identification and offer a number of unique performance advantages: HPLC Certified for low levels of UV-absorbing extractables Hydrophilic, no pre-wetting required Unique 16-channel design for very low hand pressure and maximum...

Advantec Quantitative Ashless Filter Papers are made from the highest quality alpha cotton cellulose. One critical step in the manufacturing process of these filter papers is acid washing. All grades are double acid washed in hydrochloric then hydrofluoric acid to reduce levels of SiO2, CaO, and...

This 25 mm syringe filter with a Hydrophilic PVDF membrane, for non-sterile filtration, has a 0.45 µm pore size used in clarifying of proteinaceous solutions with high particulate levels. PVDF membrane with graduated glass fiber prefilter Recommended for filtering solvents Non-sterile

Minisart SRP: Ready-to-use units with a clean and chemically inert Polytetrafluoroethylene (PTFE) membrane for simple, rapid and reliable ultracleaning of small volume samples for HPLC or GC analysis. Provide superb chemical resistant for solvents or for aggressive aqueous liquids.

Extend the life of final filters Pore sizes from 0.5 µm to 1.0 µm With or without binders Autoclavable PreSep prefilters are biologically inert and highly resistant to oxidizing agents and weak acids. Primarily used to extend the life of a final filter, they can also be used as a...

mdi PTFE membrane Syringe filters type SYTG incorporate a PTFE membrane with a multi-layered binder free borosilicate Microglassfiber prefilter in a polypropylene housing. All mdi filters are color coded for ease of identification and offer a number of unique performance advantages: HPLC Certified...

EZFlow 25mm High Particulate Syringe Filters are designed for high throughput filtration of viscous and particle-laden solutions. The syringe filter contains a filter membrane along with a glass fiber pre-filter. The filter membrane is available in PES or Hydrophilic PVDF materials, offered in 0.2µm...

Low ash grades have intermediate ash content between qualitative grades and ashless grades. Grade 391 is slowly filtering and used for fine-grained precipitates such as barium sulfate, metastannic acid, and cuprous oxide. Retention of 2-3 microns.

Quick and efficient filtration of samples and all kind of solutions, solvents or gases        Housing injected in Polypropylene or Acrylic        Multifunctional Syringe Filters: equipped with luer-lock or luer-slip male...

mdi PES membrane Syringe filters type SYKG incorporate a PES membrane filter with a multilayered binder free borosilicate Microglassfiber prefilter in a polypropylene housing. The microglassfiber prefilter provides excellent protection to the final membrane filter due to its high retention abilities...

Ahlstrom offers a full range of glass microfiber filters manufactured from 100% pure borosilicate glass. Because of their intrinsic properties, glass microfiber filters have wide applications in many areas of laboratory analysis, especially when fine filtration and high loading capacity is required....

Ahlstrom offers a full range of standard pleated grades that meet your needs from grades with rapid flow rates for filtration of viscous materials to grades with tight matrices for removal of fine precipitates. Ahlstrom’s pre-pleated grades can save valuable time and maximize the efficiency of...

Ahlstrom binder-free glass filter papers are ideal for use in water and wastewater analysis, gravimetric analysis involving ignition of the sample and filtration of hot gases and liquids. They are recommended for use in environmental applications, biochemical testing, as pre-filters and as direct...