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动力学光度法测定痕量氨三乙酸

Huang Tianli,Guo Libing,Zhang Haiyang

Henan Science（2008）

Cited 1|Views3
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Abstract
在乙酸介质中,微量氨三乙酸对高碘酸钾氧化玫瑰桃红R的反应有显著的抑制作用,据此建立了阻抑动力学光度法测定氨三乙酸的新方法,方法的线性范围为0.01～0.12μg/mL,检出限达到2.3×10-3μg/mL,是目前测定氨三乙酸最灵敏的动力学方法.本法简便快速,灵敏度高,用于合成样品和实验室废水中痕量氨三乙酸的测定,结果满意.
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Key words
rose pink R,inhibitory kinetics spectrophotometry,nitrilotriacetic acid
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