コウジ酸を用いるフローインジェクション法による金の蛍光定量 Flow-injection spectrofluorometric determination of gold with kojic acid

この論文をさがす

著者

抄録

A flow-injection spectrofluorometric method was devised for the determination of gold (III) based on the fluorescent oxidized product of kojic acid. The maximum wavelengths of the excitation and emission spectra of the oxidized product are 375 and 495nm, respectively. The carrier solution (0.1 M sodium chloride) and buffer solution (pH 7.5) containing 8×10^<-3>M Kojic acid were each pumped at 1.5ml min^<-1>. The length of the reaction coil was 1 m. The present method allows the determination of 1~10μg ml^<-1>of gold (III) based on 100μl injection volume. The relative standard deviation of 1.2% (n=9) was obtained at 3μg ml^<-1>of gold (III). The sample chroughput was about 20h^<-1>, Palladium does not interfere with up to 50-fold amounts under masking with nitrilotriacetic acid.

A flow-injection spectrofluorometric method was devised for the determination of gold (III) based on the fluorescent oxidized product of kojic acid. The maximum wavelengths of the excitation and emission spectra of the oxidized product are 375 and 495nm, respectively. The carrier solution (0.1M sodium chloride) and buffer solution (pH 7.5) containing 8×10<SUP>-3</SUP> M kojic acid were each pumped at 1.5ml min<SUP>-1</SUP>. The length of the reaction coil was 1m. The present method allows the determination of 110μg ml<SUP>-1</SUP> of gold (III) based on 100μl injection volume. The relative standard deviation of 1.2% (<I>n</I> = 9) was obtained at 3μg ml<SUP>-1</SUP> of gold ( III ). The sample throughput was about 20h<SUP>-1</SUP>. Palladium does not interfere with up to 50-fold amounts under masking with nitrilotriacetic acid.

収録刊行物

  • 分析化学 = Japan analyst

    分析化学 = Japan analyst 44(4), 297-300, 1995-04-05

    公益社団法人 日本分析化学会

参考文献:  20件中 1-20件 を表示

各種コード

  • NII論文ID(NAID)
    110002906932
  • NII書誌ID(NCID)
    AN00222633
  • 本文言語コード
    JPN
  • 資料種別
    NOT
  • ISSN
    05251931
  • NDL 記事登録ID
    3614691
  • NDL 刊行物分類
    PA42;PA24
  • NDL 雑誌分類
    ZP4(科学技術--化学・化学工業--分析化学)
  • NDL 請求記号
    Z17-9
  • データ提供元
    CJP書誌  NDL  NII-ELS  J-STAGE  NDL-Digital 
ページトップへ