选用先进可靠的国产仪器零部件 ,设计组装一台新型自动化的脉冲加热气相色谱仪 ,具有在同一台仪器上准确测定金属中N、O和H含量的独特功能 ,成功应用于硬质合金和难熔金属及其碳化物中N、O和H的生产分析 ,并能推广应用于金属陶瓷材料中N、O和H含量的测定 Selection of advanced and reliable domestic instrument components, design and assembly of a new automated pulse-heating gas chromatograph, with the same instrument on the accurate determination of metal N, O and H content of the unique features, the successful application of cemented carbide and difficult Production analysis of N, O and H in molten metal and its carbide, and can be widely applied to the determination of N, O and H in cermet