Macherey-Nagel™ MN 619 eh Grade Filter Paper, Round
Suited for qualitative filtration applications, including fine-crystalline analysis. Macherey-Nagel™ MN 619 eh Grade Filter Papers, Round (= No. 6) are smooth, dense filter papers with slow filtration speed. The average ash content is about 0.1%, the amount of α-cellulose is about 95%.