Testing tetrahydrofuran in the air of workplace by solvent desorption-gas chromatography
10.11763/j.issn.2095-2619.2016.02.018
- Author:
Wei-Feng RONG
1
;
Jia-Heng HE
1
;
Wei-Jie LING
;
Jing-Jing QIU
1
;
Zuo-Kan LIN
1
;
Chuan WU
1
;
Ming DONG
1
;
Tao HUANG
Author Information
1. Guangdong Province Hospital for Occupational Disease Prevention and Treatment Guangzhou,Guangdong 510300,China
- Publication Type:Journal Article
- Keywords:
Workplace;
Tetrahydrofuran;
Solvent desorption;
Gas chromatography
- From:
China Occupational Medicine
2016;43(02):197-200
- CountryChina
- Language:Chinese
-
Abstract:
OBJECTIVE: To establish a method for testing tetrahydrofuran( THF) in workplace air by solvent desorption gas chromatography. METHODS: The air samples were collected by activated carbon tube,desorbed with carbon disulfide solution,then separated by capillary column and detected by flame ionization detector. RESULTS: The linearity range of THF concentration was 1. 78-8 892. 00 mg / L,and the correlation coefficient was 0. 999 9. The minimum detection limit of THF was 0. 09 mg / m3. The minimum quantitative concentration was 0. 27 mg / m3( 3. 00 L air collection). The average desorption efficiency of THF was 94. 29%-96. 46% when placed overnight at the room temperature. The within-run and the between-run relative standard deviation were 0. 30%-0. 91% and 0. 66%-1. 23% respectively. THF sample could be stored at room temperature for at least 8 days. CONCLUSION: The method could be widely applied in sampling and detection of THF in workplace air.
