ガラス製リングオーブン法による白金族イオンと金（ＩＩＩ）イオンの系統的分離と検出

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書誌事項

タイトル別名
  • Systematic separation and detection of platinum group and gold(III) ions by a glass ring oven technique.
  • ガラスセイ リングオーブンホウ ニ ヨル ハッキンゾク イオン ト キン 3
  • ガラス製リングオーブンによる無機微量物質の迅速簡易定量(第8報)

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The separation was carried out at 90°C. The developing solution used was 0.05, 3M hydrochloric acid and 0.28% ammonia water. Initially, formation of metal complex was tried as a means to separate the metal ions. Filter papers impregnated with 1% dimethylglyoxime, 1% 8-quinolinol, saturated rebeanic acid, 0.1% p-dimethylaminobenzylidenrhodanine, 0.05% benzidine, 0.2% bismuthiol II, 0.1% p-nitrosodimethylaniline, 0.1% 1-(2-pyridilazo)-2-napthol, 1% sodium diethyldithiocarbonate and 0.1 % ascorbic acid solution were used. Metal ions were separated by combining these papers and the developing solutions. Metal ions were separated into two groups, further separation into individual metal ions was not possible. Individual metal ion separation was achieved based on the solubilities of metal sulfides and the formation of a metal complex. Six metal ions, Au(III), Ir(IV), Pd(II), Pt(IV), Rh (III) and Ru(III), were separated. The time necessary for the separation was about 1h. The metal ions were detected from the colors of either their sulfide or metal complex. Separable ranges were Au(III); 0.251.0μg, Ir(IV);0.21.5μg, Pd(II); 0.31.8μg, Pt(IV); 0.62.2μg, Rh(III); 0.451.2μg and Ru (III); 0.30.7 μg. The lower value for each element (ion) shows the detection limit.

収録刊行物

  • 分析化学

    分析化学 35 (11), 946-948, 1986

    公益社団法人 日本分析化学会

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