Optimization of a chromatographic method for the quantification of polycylic aromatic hydrocarbons in drinking water samples

Year 2020, Volume: 3 Issue: 1, 10 - 14, 22.06.2020

Selman Kander Belgin İzgi

Abstract

Polycylic aromatic
hydrocarbons negative effects are identified by various studies. Pre-processing
methods to increase analysis and pre-analysis concentration of PAHs have great
importance, especially in drinking water. In this study, in drinking
water, EPA 550.1 method used for analyis of polycylic aromatic
hydrocarbons in drinking water is aimed to reduce the amount and time by
performing the amount of chemical and analysis time. According to recovery and
repeatability parameters, results are obtained with evaluation compared with
values in EPA method 550.1. Using a total of 70 ml chemical modified by method
for six PAH parameters, the percentage recovery results are as follows; flour
anthems %99,5, Benzo(b)flouranthene %90,5, Benzo(k)flouranthene %84,8,
Benzo(a)pyrene %91,1, Benzo(g,h,i )perylene 75,9 and Indeno(1,2,3-c,d)pyrene %
79,1.  Another concept that forms the basis of the SPE method, relative
standard deviation of the percentage results for the same 6 PAH parameter are
as follows; flouranthene % 12,8, Benzo(b)flouranthene % 8,4, Benzo(k)flouranthene
%8,5, Benzo(a)pyrene % 8,02, Benzo(g,h,i)perylene % 12,2 and
Indeno(1,2,3-c,d)pyrene % 17,5. In the modified innovative methods, recovery
and repeatability results are observed that analytically compatible to the
values of the method EPA 550.1.

Keywords

PAH, SPE, UHPLC, Drinking water

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