$17.73 (as of 03/01/2019 00:03 PST details )
Features:
- Diameter 4.25cm
- Retention 20 m
- Fastest ashless filter paper
- Recommended for analytical procedures involving coarse particles or gelatinous precipitates iron or aluminium hydroxides
- Used in quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates