YAKUGAKU ZASSHI
Online ISSN : 1347-5231
Print ISSN : 0031-6903
ISSN-L : 0031-6903
有機微量分析に関する研究 (第8報)
燃焼法によるアルコキシル基の定量法および識別法における分析条件の検討
福田 穰
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ジャーナル フリー

1960 年 80 巻 9 号 p. 1160-1165

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Some analytical conditions for the determination and distinction of alkoxyl groups by the combustion method are discussed. The required temperature of silver gauze for absorbing iodine quantitatively is 150°. At this temperature, silver gauze quantitatively absorbs iodine which corresponds to 45% of the weight of the silver gauze. The temperature for complete combustion of methyl and ethyl iodides with platinum contact in air stream is 700°.
The distillation time of methyl iodide is 10 minutes and that of ethyl iodide is 20 minutes, but it seems a little longer time than that is necessary when the reaction mixture containing a large amount of organic solvent is used to hydrolyse the sample.

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© by the PHARMACEUTICAL SOCIETY OF JAPAN
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