hydrogen signals (CHS’s). Different experimental conditions such as pH effects, background electrolyte (NH4Cl-NH4OH) effects and carbodithioate (CDT) and chromium(VI) ion effects were studied. The present technique was successfully used to detect chromium(VI) in several environmental, biological samples. It was demonstrated that the obtained recovery percentages (95-99%) were comparable to the Atomic Absorption
已经开发了一种简便,快速且灵敏的催化氢信号方法,用于使用两种新的
配体N-苯基哌嗪-1-碳二
硫代
铵(APP-CDT)和N-苄基
哌啶-1碳二
硫代
铵(ABP-CDT)分析
铬(VI)被合成。该方法取决于
铬(VI)与APP-CDT和ABP-CDT在pH分别为8.6和7.8的支持电解质(NH4Cl-NH4OH)介质中的反应。由于催化氢信号(CHS),相对于SCE,分别在-1.68V和-1.60V处获得了氧化峰。研究了不同的实验条件,例如pH值的影响,背景电解质(NH4Cl-NH4OH)的影响以及碳二
硫代酸盐(CDT)和
铬(VI)离子的影响。本技术已成功用于检测几种环境
生物样品中的六价
铬。