Qualitative Filter Papers-Grade 4: 20-25μm
10 in stock
Extremely fast filtering with excellent retention of coarse particles and gelatinous
precipitates such as ferric hydroxide and aluminum hydroxide.
Very useful as a rapid filter for routine clean-up of biological fluids or organic extracts during analysis.
Used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.
Available prepleated as Grade 4V.
Price range: Rs.1,057.50 through Rs.2,355.00
CompareCellulose filters are used in qualitative analytical techniques to determine and identify materials.
Prepleated qualitative filters are available, which give improved flow rate and increased loading capacity compared to equivalent flat filters.
| Variation Codes | 1004-042, 1004-090, 1004-110, 1004-125, 1004-150 |
|---|
Based on 0 reviews
Be the first to review “Qualitative Filter Papers-Grade 4: 20-25μm”
Related products
-
Whatman
Quantitative Filter Papers-Grade Grade 50: 2.7μm
Grade 50: 2.7 μm*
Retention of very fine crystalline precipitates.The thinnest of all Whatman filter papers with a slow flow rate, these filters have a hardened and highly glazed surface, which also keeps the paper free from loose surface fibers.
Highly suitable for
qualitative or quantitative filtrations requiring vacuum assistance on Büchner
or 3-piece filter funnels.Very strong when wet and will withstand wet handling and
precipitate removal by scraping.In the electronics industry, the virtual absence of
fiber shedding is utilized in carriers for integrated circuits.This grade is also available in Smear Tab format for wipe testing (e.g. testing of
surfaces for radionuclide contamination).SKU: n/a -
Whatman
Quantitative Filter Papers-Grade 43: 16μm
Grade 43: 16 μm*
Intermediate in retention between Grades 40 and 41, and twice as fast as Grade 40.Typical applications include foodstuffs analysis, soil analysis, particle collection in
air pollution monitoring for subsequent analysis by XRF techniques, and inorganic
analysis in the construction, mining, and steel industries.SKU: n/a -
-
Whatman
Qualitative Filter Papers – Grade 2: 8µm
Slightly more retentive than Grade 1 with a corresponding increase in filtration time (i.e., slightly slower filtration speed).
More absorbent than Grade 1. In addition to general filtration in the 8 μm particle size range, the extra absorbency is utilized, for example, to hold soil nutrient in plant growth trials.
Also used for monitoring specific contaminants in the atmosphere and in soil testing.
SKU: n/a
There are no reviews yet.