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(Qualitative Filter Papers NO.540(8)) |
Quantitative Filter Papers - Hardened Ashless Grades (Ash 0.006%)
Grade 540: 8 The general purpose hardened ashless filter paper with medium retention and flow rate. Extremely pure and strong with a hard surface. High chemical resistance to strong acid and alkali. Frequently used in the gravimetric analysis of metals in acid/alkali solutions and in collecting hydroxides after precipitation by strong alkalis. | |
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