Quantitative filter papers, ashless grades, grade 589/1 and 589/1 ½, Whatman™供应商: Whatman products (Cytiva)
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Quantitative filter papers, ashless grades, grade 589/1 and 589/1 ½, Whatman™
过滤器 滤纸 Quantitative Filter Paper
With less than 0,01% ash, Cytiva's Whatman Grade 589/1 filter papers can be used for the Blaine test in the cement industry and as an ash content test filter for foodstuffs.
- Herzberg filtration speed of 50 seconds*
- Black ribbon filter for fast filtration of coarse precipitates
- High purity (<0,01% ash)
- Blaine test and ash content test compatible
- Also available prepleated as Grade 589/1½
*The time taken to filter 100 mp water (20° C) through a filter area of 10 cm² at a constant pressure of 5 cm water column.
Whatman Grade 589/1 filter papers from Cytiva's business are designed for fast filtration of coarse precipitates in support of tests such as cement fineness measurement in a standard Blaine test or determination of the ash content in foodstuffs.
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