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Grade 161 is generally recommended for water pollution monitoring techniques for total suspended solids
and water effluents
Grade 169 for STM2540-E - Volatile Suspended Solids
Cellulose Nitrate/MCE Membranes
binder-free glass microfiber paper provides the consistency and precision required for accurate testing by Quality Control Laboratories
Quantitative Filter Paper - 0540-0900 - Grade 54, 9cm 25cm Grade 161 is generally recommendedAhlstrom 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
