ブロムピロガロールレッドとゼフィラミンによるジルコニウムの吸光光度定量

DOI Web Site

書誌事項

タイトル別名
  • Spectrophotometric Determination of Zirconium with Bromopyrogallol Red and Zephiramine

抄録

Zirconium formed a blue-violet complex with Bromopyrogallol Red in the presence of zephiramine in weakly hydrochloric acid solution. This complex showed an absorption maximum at around 639 nm, and the absorbance was constant over the acidity range of 0.18-0.28N (the final acidity). The proposed method covered a concentration range of 3-40 μg of zirconium in 25 ml of solution. The molar absorptivity was about 37000. The precisions in coefficient of variation were 2.0 and 1.2% for 10 and 30 μg, respectively, of zirconium. Many ions did not interfere with the experiment, but hafnium, vanadium, molybdenum, iron(III), mercury(II), fluoride, and phosphate interfered even when their amount was the same as that of zirconium. The permissible amount of iron (III) was increased by the addition of L-ascorbic acid.

収録刊行物

  • 薬学雑誌

    薬学雑誌 93 (6), 825-828, 1973

    公益社団法人 日本薬学会

キーワード

詳細情報 詳細情報について

問題の指摘

ページトップへ