[Gas chromatography for determination of N-isopropylaniline in workplace atmosphere].
OBJECTIVE
To establish a method for determination of N-isopropylaniline in the workplace atmosphere by gas chromatography.


METHODS
Air samples were collected by silica gel tube and desorbed by acetone. Then they were separated through DB-WAX columns and N-isopropylaniline was determined by flame ionization detector.


RESULTS
The concentration of N-isopropylaniline showed a good linear relationship within the range of 1.40∼665.0 µg/ml. The sampling efficiency was 100%. The accuracy was 96%∼ 99% and the precision was 2.1%∼7.0%. The minimum detectable concentration was 0.056 mg/m(3) (with sampled air volume of 7.5 L).


CONCLUSIONS
The method meets the requirements of analysis and applies to the determination of N-isopropylaniline in the workplace atmosphere.
School of Public Health, Hebei United University, Tangshan 063000, China.
Jing
J
Xuan
Xingfu
X
Pan
Xiaodong
X
Liu
E-mail: yan_huifang@yeah.net.
Huifang
H
Yan
E-mail: yanshu_zhang@163.com.
Yanshu
Y
Zhang
D000388:Air / Q000032:analysis*; D000395:Air Pollutants, Occupational / Q000032:analysis*; D000814:Aniline Compounds / Q000032:analysis*; D002849:Chromatography, Gas / Q000379:methods*; D017132:Workplace
D000395:Air Pollutants, Occupational; D000814:Aniline Compounds; C071474:N-isopropylaniline