海水中氨氮现场自动监测技术化学工艺及试剂保存方法优化研究

Research of Optimization of Determination Process and Reagent Stability for Auto Analyzing Technology for Ammonia in Seawater

为了满足氨氮的水下现场自动分析的要求，作者对次溴酸盐氧化法测定海水中氨氮的规范分析方法进行了实验室系列条件优化；并通过对试剂保存方法的研究，解决了试剂稳定性问题。通过这两方面的工作，保证了海水中氨氮测定方法能在水下现场自动分析仪上顺利实现。

In order to meet the demand of auto analyzing technology for ammonia in seawater, the routine ammonia analytical method(NaBrO oxidation process) was optimized, and the stability of reagents was improved by study of preservation methods. The main optimizing measures are as follows: preserve Br 2·H 2O reserve liquid and NaOH solution alone, and the oxidizer NaBrO will be produced by mixing these two reagents as equal volume, and this method has little salt error. By this work the miniaturization of analyzer and the automation of in situ determination can be realized.