检定_校准气相色谱仪检测器的常见问题及解决办法_图文

1、 27参考文献:1中华人民共和国卫生部.GB5009.5-2010食品安全国家标准食品中蛋白质的测定S.北京,2000.2国家质量技术监督局.GB18186-2000酿造酱油S.北京,2000.3国家质量技术监督局.JJF1059-1999测量不确定度评定与表示.北京,1999.4中国合格评定国家认可委员.CNASGL06:2006化学分析中不确定度的评估指南.北京,2006.6.5国家质量监督检验检疫总局.JJG196-2006常用玻璃量器计量检定规程S.北京,2006.6郑弘毅.终点误差导致的测量不确定度计算J.计量数报.2009,30(47国家质量监督检验检疫总局.GB/T601-200

2、0化学试剂标准溶液的制备S.北京,2002.The Measurement of Uncertainty for the Determination of Total Nitrogen Contentin Soy by Full-Automatic Kjeldahl ApparatusAbstract: Total nitrogen content in soy was determined by full-automatic Kjeldahl apparatus in the paper. The uncertainty during determination was analyzed a

3、nd quantized and each component contribution to uncertainty of results was given. Standard uncertainty and expanded uncertainty of determination results were obtained, and the results were represented in this paper. The results showed that the uncertainty arising from sample repeatability test and p

4、ipetting sample volume was the largest, Hydrochloride (HCl standard solution in the second place.Key words: full-automatic kjeldahl apparatus; toal nitrogen; uncertaintyHE Menghang 1,2(1,Fujian Provincial Center Inspection Institute, Fuzhou 350002, Fujian, China(2,National Center of Processed Food Q

5、uality Supervision and Testing (Fuzhou, Fuzhou 350002, Fujian, China(上接第22页Trouble Analysis and Shooting in Verification or Calibration of Gas ChromatographAbstract: Some common problems and solutions about verficating or calibrating Gas Chromatograph are introduced here.Key words: gas chromatograph; detector; verification; calibrationWANG Wei(Xinjiang Uygur Autonomous Regi