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Medium Speed
This grade has medium flow rate and good particle retention and is the most commonly used acid-washed filter
In the filtration of nucleic acids and difficult biochemical solutions
Grade 55 is also used in air and foodstuffs analysis and for chloride and phosphorous in cement
Ahlstrom-Munksjö 131
Hardened Quantitative Filter Paper - 0550-1850 - Grade 55, 18.50cm 11cm Medium SpeedAhlstrom 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.
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