Hoods Products (241)

A widely used standard grade filter paper for routine applications with medium retention and flow rate. It covers a wide range of laboratory applications and is frequently used for clarifying liquids. A widely used standard grade filter paper for routine applications with medium retention and flow...

Ahlstrom's qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that still...

Whatman Grade 934-AH borosilicate glass microfiber filters fromCytiva are smooth water quality filters with high retention efficiency. Grade 934-AH filters are often used in total suspended solids analysis. Smooth surface for efficient precipitate recovery Nominal particle retention of 1.5 µm Can...

Cytiva Whatman EPM 2000 air filters are used in high-volume PM-10 sampling equipment. Manufactured from 100% pure borosilicate glass, they enable detailed chemical analysis of trace pollutants with minimal interference. Air retention efficiency of 99.95 percent of 0.3 µm size particulates Selected...

Whatman Grade GF/F filter from Cytiva business is manufactured from pure borosilicate glass. GF/F offers very fine particle retention and good loading capacity and flow rate. 0.7 µm nominal particle retention Served as the basis filter for EPA standard for the toxicity characteristic leaching...

A widely used standard grade filter paper for routine applications with medium retention and flow rate. It covers a wide range of laboratory applications and is frequently used for clarifying liquids. These cellulose filters are used in qualitative analytical techniques to determine and identify...

Whatman Grade 40 high-purity filters from Cytiva business are general-purpose papers for quantitative analysis. Grade 40 filters are suitable for a variety of analytical filtration applications. High-purity filters contain 0.007% maximum ash content Medium nominal particle retention rating of 8...

Designed for general qualitative laboratory work Fast filtering speed; 25um particle retention Low retentivity, which retains coarse or gelatinous precipitates such as aluminum hydroxide, cobalt carbonate, mercury iodide and magnesium hydroxide Creped surface; thickness approximately 0.23 mm; 24 mm...

Cytiva Whatman Grade 41 environmental pollution papers are among the fastest filter papers in the Whatman ashless range. This gravimetric filter is well suited for quantitative analysis of soil and air. Extremely low ash content (0.007% ash maximum) 20 µm nominal particle retention rating Fast...

Ahlstrom's qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that still requires...

Ahlstrom’s qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that still...

1.5 µm Retention Efficient retention of small size particles to 1.5 µm Extremely high flow rate; filtration takes place both vertically and laterally through the filters High loading capacity, which continues to filter efficiently for a greater extended period Highly resistant to...

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...

Ahlstrom's qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that still...

A standard grade filter used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical. These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also...

A standard grade filter used for monitoring specific contaminants in the atmosphere and in soil testing. A standard grade filter used for monitoring specific contaminants in the atmosphere and in soil testing. These cellulose filters are used in qualitative analytical techniques to determine and...