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Grade 151 is recommended for filtering fine precipitated proteins
This grade has similar performance properties to Grade 151 and is made with acid-treated borosilicate glass microfibers with inherently low levels of barium and zinc
: aluminum and zirconium hydroxides) in acid and alkali solutions
Ahlstrom-Munksjö Grade 238 is also suited for electrophoresis and the separation of inorganic compounds and for use in removing gels from glass supports
Ahlstrom-Munksjö Grade 238
Low-Ash Hardened Paper - 3910-0550 - Grade 391, 5.5cm 15cm x 20cm Grade 151 is recommended forAhlstrom Munksj 391 2 3 m, Slow Speed This is a very fine retention filter for gravimetric analysis of very fine particles such as barium and lead sulfates, stannic and nickel sulfide, calcium oxalate and calcium fluoride.
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