| 示差光度法测定液相中常量尿素 |
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| 引用本文： | 潘习银. 示差光度法测定液相中常量尿素[J]. 大氮肥, 2004, 27(4): 283-285 |
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| 作者姓名： | 潘习银 |
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| 作者单位： | 中石化安庆分公司,安徽 安庆,246001 |
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| 摘 要： | 以对二甲氨基苯甲醛(PDAB)作显色剂,采用示差分光光度法,建立了测定化肥尿素液相中常量尿素的分析方法,解决了试样中氨、二氧化碳的干扰问题.
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| 关 键 词： | PDAB 示差分光光度法 常量尿素 |
DETERMINATION OF MACRO UREA IN LIQUID PHASE BY DIFFERENTIAL SPECTROPHOTOMETRY |
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| Pan Xiyin. DETERMINATION OF MACRO UREA IN LIQUID PHASE BY DIFFERENTIAL SPECTROPHOTOMETRY[J]. Large Scale Nitrogenous Fertilizer Industry, 2004, 27(4): 283-285 |
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| Authors: | Pan Xiyin |
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| Abstract: | A new method for the determination of macro urea in liquid phase of urea plant was proposed Differential spectrophotometry with PDAB as chromogenic agent is used in this method The interference of ammonia and carbon dioxide in the samples is eliminated |
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| Keywords: | PDAB |
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