アノーディックストリッピングボルタンメトリーによる鋼中微量トランプ元素(亜鉛, 鉛, ビスマス)の同時定量  [in Japanese] Simultaneous Determination of Trace Tramp Elements (Zn, Pb and Bi) in Steel by Anodic Stripping Voltammetry  [in Japanese]

Access this Article

Search this Article

Author(s)

Abstract

A sensitive anodic stripping voltammetric method for the simultaneous determination of zinc, lead and bismuth in steel is described. The interference of the iron(III) matrix was eliminated by reducing it to iron(II) with L(+)-ascorbic acid. The optimized experimental conditions were as follows: analyte ions in a steel sample solution containing a nitric-sulfuric acid mixture (pH=2) were electrodeposited as metals on a hanging mercury drop electrode at-1.2 V <I>vs</I>. Ag/AgCl for 5 min with stirring; the deposits were then anodically stripped in the potential range -1.2 to 0 V <I>vs</I>. Ag/AgCl at a scan rate of 50 mV s<SUP>-1</SUP> by a differential pulse mode. Linear relationships held between the peak height and the concentrations of analyte ions in the concentration range 5 to 200 ng mL<SUP>-1</SUP> with relative standard deviations below 5% for 30 ng mL<SUP>-1</SUP>. The detection limits (3σ) were less than 1.7 ng mL<SUP>-1</SUP> for the deposition time of 5 min. The influence of foreign elements on the determination was evaluated, and a method for eliminating the interference from other metal ions, in particular copper and nickel, due to the formation of intermetallic compounds with zinc in amalgams was devised. The proposed method was applied to the simultaneous determination of 3.5 to 325 μgg<SUP>-1</SUP> of zinc, lead and bismuth in steels with good precision and accuracy.

Journal

  • Tetsu-to-Hagane

    Tetsu-to-Hagane 91(7), 595-601, 2005-07-01

    The Iron and Steel Institute of Japan (ISIJ)

References:  7

  • <no title>

    TANAKA T.

    Tetsu-to-Hagane 86, 1, 2000

    Cited by (1)

  • <no title>

    TANAKA T.

    Bunseki 2001, 62, 2001

    Cited by (1)

  • <no title>

    TANAKA T.

    Tetsu-to-Hagane 89, 906, 2003

    Cited by (1)

  • <no title>

    MIZUIKE A.

    Mikrochim. Acta 1975I, 125, 1975

    Cited by (1)

  • <no title>

    日本鉄鋼協会評価 分析 解析部会編

    鋼中の微量トランプ元素分析法の開発, 2004

    Cited by (1)

  • <no title>

    MEENAKUMARI V.

    Analyst 120, 2849, 1995

    Cited by (1)

  • <no title>

    COPELAND T. R.

    Anal. Chem. 46, 2093, 1974

    Cited by (2)

Codes

  • NII Article ID (NAID)
    110001788907
  • NII NACSIS-CAT ID (NCID)
    AN00151251
  • Text Lang
    JPN
  • Article Type
    ART
  • ISSN
    00211575
  • NDL Article ID
    7407096
  • NDL Source Classification
    ZP42(科学技術--金属工学・鉱山工学--鉄鋼)
  • NDL Call No.
    Z17-356
  • Data Source
    CJP  NDL  NII-ELS  J-STAGE 
Page Top