Journal of Pollution Effects & Control
Open Access
ISSN: 2375-4397
ISSN: 2375-4397
Ashrafi K
West Indies
Research Article
Validation of a New Method for the Monitoring of Environmental Benzene at Low Concentration Using the Needle Trap Device
Author(s): Bayatian M, Azari M*, Ashrafi K, Jafari M and Mehrabi Y
Bayatian M, Azari M*, Ashrafi K, Jafari M and Mehrabi Y
Benzene has been emitted from most industrial chemicals and automobile gasoline, environmental and occupational exposure to a wide range of benzene has been observed. The needle trap device is a novel and inprogress exhaustive extraction trap which fluid can pass through it by pump. In this study, NTD consisted of a needle gauge 21 with 10 cm length that’s packed with Carboxen-1000 for adsorbing benzene. Samples were analyzed by gas chromatography coupled with flame ionization detector and peak verification was examined by gas chromatographymass spectrometry. Linear range concentration was 25-2500 ppb and limit of detection; limit of quantitation and bias were 10, 20 ppb and -0.12 respectively. The agreement of atmospheric standards analyzed by the method of this study and OSHA’s method was examined by the Bland-Altman plot. According to this method, the agreement of two s.. View More»
DOI:
10.4172/2375-4397.1000214