[Determination of dimethyl sulfate in the air of workplace by GC-MS].
Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi
; 35(2): 152-153, 2017 Feb 20.
Article
em Zh
| MEDLINE
| ID: mdl-28355711
ABSTRACT
Objective:
To establish a method to detect the concentrations of dimethyl sulfate in the air of workplace by GC-MS.Methods:
DMS in the air of workplace adsorpted by Silicone tube, then desorped by acetone, add 1.0 ml of acetone, shake 1 min, placed after 30 min, the desorption solution qualitative and quantitative determination by gas chromatography-mass.Results:
The calibration curves were liner in the range of 0.1-200.0 µg/ml. The within-run and between-run precisions were 2.6%-4.7% and 4.0%-9.0% respectively. The method detection limit is 0.1 µg/ml, the minimum detectable concentration is 0.02 mg/m(3) (in terms of sampling 4.5 L) . Add 1 ml of desorption liquid, place 30 min, the average desorption efficiency of more than 90%.Conclusion:
This method has simple pretreatment, short analysis period, and optimized linear rage and limit of detection, and is suitable for the determination of DMS in workplace air.Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Ésteres do Ácido Sulfúrico
/
Cromatografia Gasosa
/
Local de Trabalho
/
Poluentes Ocupacionais do Ar
/
Cromatografia Gasosa-Espectrometria de Massas
Tipo de estudo:
Qualitative_research
Limite:
Humans
Idioma:
Zh
Revista:
Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi
Assunto da revista:
MEDICINA OCUPACIONAL
Ano de publicação:
2017
Tipo de documento:
Article
País de afiliação:
China