infrared absorption spectrometry

The total organic carbon ( TOC) in surface water, sewage effluent and different kinds of industrial wastewater of Hangzhou, was determined by nondispersive infrared absorption spectrometry with combustion oxidation.

用燃烧氧化-非色散红外吸收法测定了杭州市辖区内的地表水、污水处理厂排水和不同行业工业废水中的总有机碳（TOC）。

The importance of quality control in chemical laboratory was specified. The quality control method using quality control chart in chemical laboratory of iron and steel enterprise was introduced. The quality control chart for the determination of sulphur in Steel 20 by infrared absorption spectrometry was drawn.

叙述了化学检验室质量控制的意义，介绍了钢铁企业化学检验室用质量控制图法实现质量控制的具体方法，绘制了红外吸收法测定20钢中硫的质量控制图。

The effects of different nucleating agents on the crystallization behavior and the properties of Li_2O-ZnO-SiO_2 glasses were investigated by means of differential thermal analysis, X-ray diffractometry, Fourier infrared absorption spectrometry and scanning electron microscopy.

采用差热分析、X射线衍射及傅里叶红外吸收光谱等测试手段，分析不同晶核剂对Li2O-ZnO-SiO2系统玻璃析晶行为和性能的影响。