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- W1036736505 abstract "研究了新显色剂2,4,4′-三硝基苯基重氮氨基偶氮苯(简称TNBDAA)与Cd(Ⅱ)的显色反.应。结果表明,在Triton X-100存在下,在pH7.75-8.75的缓冲范围内,Cd(Ⅱ)与试剂形成摩尔比1:2的红色配合物,最大吸收波长位于546nm处,表观摩尔吸光系数为1.38×10^5L/(mol·cm),镉的浓度在0-0.7μg/mL范围内服从比耳定律。所拟方法操作简便,灵敏度高,选择性好,用于废水申微量镉的直接测定,结果满意。" @default.
- W1036736505 created "2016-06-24" @default.
- W1036736505 creator A5004384648 @default.
- W1036736505 creator A5050522518 @default.
- W1036736505 date "2007-01-01" @default.
- W1036736505 modified "2023-09-24" @default.
- W1036736505 title "新显色剂2,4,4′-三硝基苯基重氮氨基偶氮苯光度法测定微量镉" @default.
- W1036736505 hasPublicationYear "2007" @default.
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