Ahlstrom Grade 54 Quantitative Filter Paper, Ashless
Ahlstrom Grade 54 Fast Speed Ashless Filter Paper. Grade 54, 10µm - Fast Speed is a fast filtering grade for rapid filtration of coarse particles and gelatinous precipitates such as iron, zirconium and aluminum hydroxides, and cobalt sulfide. Also used in air pollution testing to determine gaseous compounds. It is recommended for fast analysis procedures for unstable precipitates such as silicon, which requires speedy filtration.