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- 介绍: 利用溶液中高价铁、铜倍维生素C还原成低价,和其他金属离子一起被络合物络合,加入锌离子暴露剂,后者使锌离子与Br-PADAP反应产生颜色,其吸收峰在555nm,加入离子螯合剂,去除钙镁离子背景干扰
- 储存条件: 4℃,避光
- 用途: 吡啶偶氮酚法定量检测锌含量,底物为Br-PADAP
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