Ruhemann紫による有機水銀化合物の光度定量法

小沢 恭一, 江頭 暁

doi:10.2116/bunsekikagaku.11.506

Ruhemann紫による有機水銀化合物の光度定量法

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小沢恭一

京都大学理学部化学教室
江頭暁

京都大学理学部化学教室

書誌事項

タイトル別名

Spectrophotometric determination of organomercuric compounds with Ruhemann's purple.
Ruhemann ムラサキニヨルユウキスイギンカゴウブツノコウドテイリョウホウ

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説明

It was found that Ruhemann's purple [2-(1, 3-dioxoindan-2-yl)-imino-1, 3-indandione] formed complex salts with organomercuric compound such as phenyl mercuric acetate or ethyl mercuric phosphate, and the complexes obtained were extractable with ethyl ether.<BR>A new method of spectrophotometric determination of organomercuric compounds based on the above results was established, where 220μg as Hg of organomercury could be satisfactorily determined.<BR>Although Cu, Zn, Co and Fe were found to give almost no influence on the determination, Ag and Hg (inorganic) disturbed by forming the precipitates partially soluble in ether.