WHATMAN Grade 5891

Specification of WHATMAN Grade 5891

Grade 589/1

Grade 589/1: 12-25 µm

"Black Ribbon Filter" - the established standard in quantitative analysis for the filtration of coarse precipitates (class 2a acc. to DIN 53 135). 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).

Ordering Information – Qualitative Filter Sheets – Standard Grades