Filter Paper, round, Grade 589/2, 50 mm, 100 pc/PAK

Formerly Schleicher & Schuell paper grade 589/2 equivalent to 40 Whatman and 389 Munktell
properties: -Medium-fast filtering, medium-open to open fiber structure -Filtration speed of 54 s/100 ml -ash-free, wet-strength -Common grade for quantitative work, coarser precipitates such as lead, iron and silver sulfide, alkaline earth carbonates, food analysis and soil testing
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. ''White Ribbon Filter'': Ashless standard filter paper for medium fine precipitates (class 2b acc. to DIN 53 135) offering medium filtration speed. Applied in a variety of routine methods in quantitative analysis (e.g., determination of the sand content in foodstuffs; determination of the grade of flour; or analysis of aqueous suspensions in the paper industry). Also available prepleated as Grade 589/2 ½. Grade 589/2: 4-12 µm

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