T. Yosida, M. Wakae
1973
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Journal
Nippon Kagaku Kaishi
Abstract
Nine arylarsenic acids, i. e., 2-, 3- and 4-methylphenylarsonic acids, phenylarsonic acid, 2and 4-chloropheny1arsonic acids, and 2-, 3- and 4-nitrophenylarsonic acids, were synthesized and their thermal behavior were chiefly studied by differencial thermal and thermal gravimetric analyses.It was found that all the above arsonic acids which were dried at 1050C had O.5 or 1 mol crystal water per molecule and that they lost their crystal water at 140, Nf250 C and decomposed at 260-v4000c.It was deduced that 3- and 4-nitrophenylarsonic acids lost crystal water at two steps.