In this thesis, the following two aspects are studied:1. Spectrophotometric determination of trace nitrate ion in uranium dioxideA simple, fast and selective spectrophotometric method for the determination of trace nitrate ion in uranium dioxide was developed, based on the fade of indigo carmine(IC) with nitrate ion in sulfuric acid medium.
因此，本文进行了以下两方面的研究：1．分光光度法测定二氧化铀中微量硝酸根基于硝酸根离子对靛蓝二磺酸钠的褪色反应，建立了一个简单、快速、选择性好的二氧化铀产品中硝酸根离子的测定方法。
参考来源 - 二氧化铀中微量硝酸根及乏燃料后处理Purex流程料液中亚硝酸根的测定方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The nitrate ion has four fundamental modes of vibration .
硝酸离子有四个基频形式。
Both schemes indicate that the nitrite ion is not produced by the reduction of the nitrate ion.
这两种方案都表明亚硝酸根离子不是由硝酸根还原生成的。
An ion chromatography method with suppression-conductivity detection has been developed for the detection of residuary chlorate in the soil after explosion with a high concentration of nitrate.
本文建立了离子色谱-抑制电导检测测定含有高浓度硝酸根的爆炸尘土中残留氯酸根的方法。
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