Simultaneous detection of 2-methoxyethoxy ethanol and 2-ethoxyethoxy ethanol in workplace air by solvent desorption-gas chromatography
10.11763/j.issn.2095-2619.2018.02.017
- Author:
Chuan WU
1
;
Weifeng RONG
1
;
Jiawen HU
1
;
Jiaheng HE
1
;
Ruibo MENG
1
;
Weihui WANG
1
;
Ziqun ZHANG
1
Author Information
1. Guangdong Province Hospital for Occupational Disease Prevention and Treatment,Guangdong Province Key Laboratory of Occupational Disease Prevention and Treatment Guangzhou,Guangdong 510300,China
- Publication Type:Journal Article
- Keywords:
Workplace;
Air;
2-Methoxyethoxy ethanol;
2-Ethoxyethoxy ethanol;
Solvent desorption;
Gas chromatography
- From:
China Occupational Medicine
2018;45(02):214-218
- CountryChina
- Language:Chinese
-
Abstract:
OBJECTIVE: To establish a method for simultaneous detection of 2-methoxyethoxy ethanol( 2-MEE) and2-ethoxyethoxy ethanol( 2-ETE) in workplace air by solvent desorption-gas chromatography. METHODS: The 2-MEE and 2-ETE in workplace air were collected by activated carbon tubes and desorbed with methanol-methylene chloride( 5 ∶ 95,V/V),then separated on DB-FFAP capillary chromatographic column,and finally detected using flame ionization detector.RESULTS: The 2-MEE and 2-ETE showed a good linear range in 2. 12-8 464. 00 and 2. 11-8 428. 00 mg/L respectively and the correlation coefficients was 0. 999 8. The minimum quantification limits were 0. 16 and 0. 20 mg/m~3 respectively( 3 L air sample). The average desorption efficiencies were 99. 33%-103. 72% and 99. 61%-104. 07% respectively. The withinrun relative standard deviations( RSDs) were 3. 68%-4. 73% and 3. 47%-4. 39% respectively,and the between-run RSDs were 4. 72%-6. 99% and 4. 77%-6. 28% respectively. The samples could be stored at room temperature for at least14 days. CONCLUSION: This method is simple,sensitive,precise and suitable for simultaneous detection of 2-MEE and 2-ETE in workplace air.
