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Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi

Title:		[Discussion on stability of mixed standard application solution by volatilization organic compounds in workplace air]
Author(s):		Shao P; Liu SS; Shao XL; Zhen Z; Yang JP;
Address:		"Baoan Center for Disease Control and Provention of Shenzhen city, Key Laboratory for Sanitary Inspection of Baoan District, Shenzhen 518101, China. Zhoukou Food and Drug Inspection Institute, Zhoukou 466000, China"
Journal Title:		Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi
Year:		2020
Volume:		38
Issue:		8
Page Number:		625 - 627
DOI:		10.3760/cma.j.issn.cn121094-20190622-00217
ISSN/ISBN:		1001-9391 (Print) 1001-9391 (Linking)
Abstract:		"Objective: To discuss the stability of mixed standard application solution by volatilization organic matter (benzene, toluene, xylene, ethylbenzene, acetone, butanone, Ethyl acetate, butyl ester, trichloroethylene) in workplace air. Methods: A total of 11 kinds volatilization organic compounds were separated by capillary chromatographic column, and detected with flame ionization detector. The stability of mixed standard application solution was judged by studying three paratemers during the placement period, such as the linear correlation coefficient of the standard curve, the relative response values of the highest and lowest concentration levels and the accuracy of the measured values of the quality control samples. Results: Within 187 days, the linear correlation coefficient of each compound was >/=0.999. The changes of relative response values at the highest and lowest concentration levels were both <10%; The measured values of toluene were all in the reference range. Conclusion: The mixed standard application solution is stable and reliable within 187 days of storage"
Keywords:		"*Air Pollutants, Occupational Benzene Toluene Volatile Organic Compounds/*analysis Volatilization *Workplace Xylenes Air Application solution Mixed standards Organic compound Stability Workplace;"
Notes:		"MedlineShao, P Liu, S S Shao, X L Zhen, Z Yang, J P chi China 2020/09/08 Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi. 2020 Aug 20; 38(8):625-627. doi: 10.3760/cma.j.issn.cn121094-20190622-00217"