摘要
研究了用LECO TC600氧氮仪,建立了脉冲加热红外吸收热导法测定铬中氧氮的分析方法。通过实验选择了仪器最佳工作条件,方法的准确度可靠,精密度良好,方法快速准确,灵敏度高,结果令人满意。
An analytical method for the determination of oxygen and nitrogen in chromium by pulsed infrared absorption thermal conductivity was established by using LECOTC600 oxygen nitrogen instrument.The optimum working conditions of the instrumentwere selected through exeperiments.The method is reliable,accurate,fast,accurate and sensitive.
作者
叶艳芳
李小莉
YE Yanfang;LI Xiaoli(Centre of Analysis and Measurement,Ningxia Orient Tantalum Industry Co.,LTD,Shizuishan 753000,China)
出处
《现代科学仪器》
2020年第3期70-73,共4页
Modern Scientific Instruments
关键词
铬
氧氮仪
氧元素
氮元素
红外吸收法
chromium
Oxygen element
Nitrogen element
infrared absorption method
