Filter Paper, round, Grade 589/1, 90 mm, 100 pc/PAK

formerly Schleicher & Schuell paper type 589/1 equivalent to 388 Munktell
properties: -Fast filtering - ash-free, wet strength - Coarse flaky and voluminous precipitates, such as iron, aluminum and chromium hydroxide, silicon determination in steel and pig iron analysis
These are very pure filters suitable for a wide range of critical analytical filtration procedures. Whatman quantitative filters from GE Healthcare are designed for gravimetric analysis and the preparation of samples for instrumental analysis. They are available in three formats designed to meet specific needs. ''Black Ribbon Filter'': The established standard in quantitative analysis for the filtration of coarse precipitates (class 2a acc. to DIN 53 135). Ashless filter paper with very high flow rate. Used for many quantitative standard methods, especially for gravimetric applications (e.g., determination of the ash content in foodstuffs, or for the Blaine test in the cement industry). Also available prepleated as Grade 589/1 ½. Grade 589/1: 12-25 µm

Here you can find the certificate: https://www.cytivalifesciences.com/en/de/support/quality/certificates

Here you can find the certificate: https://www.cytivalifesciences.com/en/de/support/quality/certificates