TECHICAL Series MATHEMATICS • INFORMATICS • PHYSICS Series PHILOLOGY Series ECONOMIC SCIENCES Sereies EDUCATIONAL SCIENCES Series LAW AND SOCIAL SCIENCES Series
The Validation of Methods for the Analysis of Some Volatile Organic Compounds by GC-MS
(Universitatea Petrol-Gaze din Ploieşti, Bd. Bucureşti 39, Ploieşti e-mail: vdumi@upg-ploiesti.ro)
Vol LX • No. 1/2008
Roxana Bădulescu, Simona Radu, Sonia Mihai, Vasile Dumitrescu, Ion Bolocan
Universitatea Petrol-Gaze din Ploieşti, Bd. Bucureşti 39, Ploieşti
e-mail: vdumi@upg-ploiesti.ro

 Keywords   benzene, toluene, styrene, o-xylene, GC-MS

 Abstract
The validation of GC-MS methods for the analysis of some volatile organic compounds (benzene, toluene, o-xylene, styrene, isoprene) from the air samples are presented. It was carried out by setting sensitiveness, the limits of detection, linearization, precision and selectivity of working procedures. The validation of GC-MS methods for determination of some volatile organic compounds showed that the used methods are sufficiently sensitive and the range of linearity was 4-5 size grades for all analyzed compounds. The studied methods have a good repeatability precision for the volatile organic compounds analyzed.

 Rezumat
Această lucrare prezintă un studiu asupra validării metodelor GC ? MS pentru determinarea unor compuşi organici volatili (benzen, toluen, o-xilen, stiren, izopren) prezenţi în aer, prin stabilirea sensibilităţii, a limitei de detecţie, a liniarităţii, preciziei şi selectiviăţii metodelor de lucru. Validarea metodelor GC ? MS pentru determinarea unor compuşi organici volatili a arătat că metodele sunt satisfăcător de sensibile şi că toţi compuşii analizaţi prezintă domenii de liniaritate (ppm) de la 4 la 5 ordine de mărime. Metodele dezvoltate sunt foarte selective şi prezintă o bună repetabilitate pentru toţi compuşii organici volatili investigaţi.



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