|Ashless filter papers, MACHEREY-NAGEL|
(1) MN 640 m - medium speed
Ash less filter paper with medium speed and medium retention. Typical applications include gravimetric analysis, quantitative determinations of sediments and high purity clean up procedures.
(2) MN 640 w - fast filtration
Ash less filter paper for fast filtration of coarse particles and gelatinous precipitates.
(3) MN 640 d - slow filtration
Ash less filter paper for fitlration of fine precipitates like barium sulfate.