GE Healthcare Filter Circles, Quantitative, Grade 42 (Ashless)

A world standard for critical gravimetric analysis with the finest particle retention of all Whatman cellulose filter papers. Typical analytical precipitates include barium sulfate, metastannic acid and finely precipitated calcium carbonate.
Particle retention:2.5 µm
Filtration speed:1870 s
Weight:100 g / m2
Thickness:0.20 mm
Ash:0.007 %
 Ø
mm
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