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Preparation of Mixed Solution Certified £Òeference Material for 25 Kinds Volatile Organic Compounds in Methanol
FENG Yue-peng£¬Qiu He-nan £¬FANG Li-ping£¬WANG Wei£¬LIU Hai-ping ( State Environmental Protection Key Laboratory of Envi-ronmental Pollutant Metrology and £Òeference Materials Study£¬Institute for £Òeference Materials of Ministry of Environmental Pro-tection£¬Beijing 100029£¬China) £¬Huaxue Shiji£¬2015£¬37( 12) £¬1109 ¡« 1112; 1152
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ÎÄÕ±àºÅ: 0258-3283( 2015) 12-1109-04
Abstract: A preparation method of mixed solution certified reference material ( C£ÒM) for 25 kinds volatile organic compounds
similar C£ÒM£¬the results show that the values of the components are consistent in the 4% uncertainty range£®
( VOCs) in methanol was established£® The solution C£ÒM was prepared by weighing and grouping technique£¬and its homogeneity and stability are good with gas chromatography / mass spectrometry analysis£® Compared with analysis of the solution C£ÒM and inter-national
Key words: volatile organic compounds( VOCs) ; certified reference material( C£ÒM) ; preparation technology; analysis comparison Ñо¿£¬½¨Á¢¶à×é»ìºÏ»Ó·¢ÐÔ±ê×¼ÑùƷ׼ȷÖƱ¸·½
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