当代化工
噹代化工
당대화공
CONTEMPORARY CHEMICAL INDUSTRY
2015年
5期
1191-1192
,共2页
惰气熔融%热导法%碳化铬%氮
惰氣鎔融%熱導法%碳化鉻%氮
타기용융%열도법%탄화락%담
Inert gas fusion%Thermal conductivity method%Chromium carbide%Nitrogen
研究了用 TC500氧氮分析仪测定碳化铬中氮的分析条件。结果表明：采用称样量为0.10 g，镍囊包裹，分析功率5000 W，比较器水平为3的条件下测定，可以得到满意的分析结果。对碳化铬进行分析，得到的相对标准偏差为1.42%，加标回收率在97.0%~101.2%之间。
研究瞭用 TC500氧氮分析儀測定碳化鉻中氮的分析條件。結果錶明：採用稱樣量為0.10 g，鎳囊包裹，分析功率5000 W，比較器水平為3的條件下測定，可以得到滿意的分析結果。對碳化鉻進行分析，得到的相對標準偏差為1.42%，加標迴收率在97.0%~101.2%之間。
연구료용 TC500양담분석의측정탄화락중담적분석조건。결과표명：채용칭양량위0.10 g，얼낭포과，분석공솔5000 W，비교기수평위3적조건하측정，가이득도만의적분석결과。대탄화락진행분석，득도적상대표준편차위1.42%，가표회수솔재97.0%~101.2%지간。
The conditions for determination of nitrogen content in chromium carbide by TC500 nitrogen oxygen analyzer were studied. The results indicate that a satisfactory result can be obtained when the determination is carried out under following conditions: the sample with nickel capsule package 0.10 g, the analysis power 5000W ,the comparator level 3.The relative standard deviation is 1.42%, and the addition standard recovery is 97.0% ~ 101.2%.
