[1]舒和庆,陈恕华.借助于过氧化氢氧化溴苯三酚红的催化光度法测定钢样中的微量铬(英文)[J].南京师范大学学报(工程技术版),2003,03(02):008-11.
　Shu Heqing,Chen Shuhua.Spectrophotometric Catalytic Determination of Micro-amount Chromium in Steel Based on Oxidation of Bromopyrogallol Red by Hydrogen Peroxide[J].Journal of Nanjing Normal University(Engineering and Technology),2003,03(02):008-11.
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借助于过氧化氢氧化溴苯三酚红的催化光度法测定钢样中的微量铬(英文)
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南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

卷:
03卷
期数:
2003年02期
页码:
008-11
栏目:
出版日期:
2003-06-30

文章信息/Info

Title:
Spectrophotometric Catalytic Determination of Micro-amount Chromium in Steel Based on Oxidation of Bromopyrogallol Red by Hydrogen Peroxide
作者:
舒和庆; 陈恕华
江苏大学化学化工学院, 212003, 镇江
Author(s):
Shu Heqing; Chen Shuhua
College of Chemistry and Chemical Engineering, Jiangsu University, 212003, Zhenjiang, PRC
关键词:
微量分析;  催化光度测定;  铬;  钢样
Keywords:
Trace analysis;  Spectrophoto metric catalytic determination;  Chromium;  steel
分类号:
O657.3
摘要:
借助在弱酸性溶液中过氧化氢使溴苯三酚红褪色的催化效应测定了铬 (VI) ,研究了测定反应的最佳条件及各种离子的干扰效应 .利用Arrhenius方程计算了非催化和催化反应的表观活化能 ,检测限的线性范围为 0 1～ 0 6μgCr(VI) / 2 5mL ,检测限量达到 9 1× 10 - 1 0 g/mL .可以成功地应用于钢样中微量铬的测定 .
Abstract:
Chromium ( VI) was determined based on its catalytic effect on the decolorization reaction of Bromo- Pyrogallol Red with hydrogen peroxide in weakly acidic solutions. The optimum condition for indicator reaction and interference effect of various ions have also been studied. The apparent activation energy of catalytic and non- catalytic reactions were calculated by Arrhenius equation. The calibration curve is linear in the range of 0.1 to 0.6 μg Cr ( VI) / 25 mL. The detection limit reached down to 9.1× 10 - 10 g / mL. The method was successfully applied to the determination of micro amount Chromium in the steel.

参考文献/References:

[ 1] Yatsknirakil K B. Kinetic Methods of Analysis[M] . Oxford: Pergamon, 1968.
[ 2] 冯素玲, 王瑞勇, 樊静. 催化荧光法测定痕量铬( VI) [ J] . 分析化学, 2000, ( 1) : 61~ 63.
[ 3] 吴和舟, 邱才英, 郑肇生. 以十六烷基三甲基溴化铵为增敏剂催化光度法测定痕量铬( VI) [ J] . 分析化学, 1999, ( 6) :668~ 671.
[ 4] 庄楚强, 吴亚森. 应用数理统计基础[M] . 广州: 华南理工大学出版社, 1992.

备注/Memo

备注/Memo:
Biography: Shu Heqing, born in 1957, Engineer at college of chemistry and Chemical Engineering of Jiangsu University. Research insterest is spectrophotometric cat alytic determinat ion of metal ions.
更新日期/Last Update: 2013-04-29