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Grade 131 is recommended for the collection of suspended solids in potable water and in industrial wastes
Ahlstrom Grade 222 is a 100% cotton medium thick chromatography paper with a smooth and uniform texture
Grade 74 covers a wide range of general ashless filtration applications
Sample Pads are available in sheets and circles
Ahlstrom-Munksjö 54
Hardened Quantitative Filter Paper - 0550-0240 - Grade 55, 2.40cm 74 Grade 131 is recommended forAhlstrom Munksj 55 15 m, Fast Speed This is a fast filtering grade for gravimetric analysis of coarse particles and gelatinous precipitates (i. e.: aluminum and zirconium hydroxides) in acid and alkali solutions. Grade 55 is also used in air and foodstuffs analysis and for chloride and phosphorous in cement, coal and coke.
