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and cobalt sulfide
Grade 121 is also used in membrane pre-filtration and is also found in quantification of solids
This is an extremely fine retention filter for critical gravimetric analysis and metal determination of very fine particles such as barium and lead sulfates
and water effluents
: aluminum and zirconium hydroxides) in acid and alkali solutions
Quantitative Filter Paper - 0540-3200 - Grade 54, 32cm 4.25cm and cobalt sulfideAhlstrom Munksj 54 10 m, Fast Speed This is a fast filtering grade for rapid filtration of coarse particles and gelatinous precipitates such as iron, zirconium and aluminum hydroxides, and cobalt sulfide. Grade 54 is 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. Call for pricing if ordering larger quantities
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