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Grade 222 has a smooth and uniform texture which assures continuous contract of buffer from the chamber through the gel and transfer membrane to the opposite pole or weight
zinc and ammonium hydroxides
Ahlstrom-Munksjö 151
Ahlstrom-Munksjö 388
which is then acid-washed using IN HNO3
Hardened Quantitative Filter Paper - 0750-0550 - Grade 75, 5.50cm 5.50cm Grade 222 has a smoothAhlstrom Munksj 75 2. 0 m, Medium Speed This grade has medium flow rate and good particle retention and is most commonly used for applications requiring high chemical resistance to strong acid and alkali. Grade 75 is often used for filtering trace elements, collecting hydroxides after precipitation by strong alkalis and in the analysis of metals in acid and alkali solutions.
