Autor: |
Venediktova, A. G., Konovalova, M. V., Bykova, L. N. |
Zdroj: |
Fibre Chemistry; September 1991, Vol. 22 Issue: 5 p357-359, 3p |
Abstrakt: |
-- A rapid method of determining the polymer content of spinning solution in the concentration range from 7–20% by wt. has been developed; it is based on precipitation of the polymer in acetic anhydride, extraction of the solvent, and subsequent titration of it with perchloric acid. A comparison of the results obtained using the rapid procedure and the dry residue method has been carried out. |
Databáze: |
Supplemental Index |
Externí odkaz: |
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