Enantioselective Determination of Polycyclic Musks in River and Wastewater by GC/MS/MS

Injung Lee, Anantha-Iyengar Gopalan and Kwang-Pill Lee
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Injung Lee: Nakdong River Environment Research Center, National Institute of Environment Research, Gyoungbuk 717-873, Korea
Anantha-Iyengar Gopalan: Department of Chemistry Graduate School, Kyungpook National University, Daegu 702-701, Korea
Kwang-Pill Lee: Department of Chemistry Graduate School, Kyungpook National University, Daegu 702-701, Korea

IJERPH, 2016, vol. 13, issue 3, 1-9

Abstract: The separation of chiral compounds is an interesting and challenging topic in analytical chemistry, especially in environmental fields. Enantioselective degradation or bioaccumulation has been observed for several chiral pollutants. Polycyclic musks are chiral and are widely used as fragrances in a variety of personal care products such as soaps, shampoos, cosmetics and perfumes. In this study, the gas chromatographic separation of chiral polycyclic musks, 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylcyclo-penta-?-2-benzopyrane (HHCB), 7-acetyl-1,1,3,4,4,6-hexamethyl-1,2,3,4-tetra-hydronaphthalene (AHTN), 6-acetyl-1,1,2,3,3,5-hexamethylindane (AHDI), 5-acetyl-1,1,2,6-tetramethyl-3- iso -propylindane (ATII), and 6,7-dihydro-1,1,2,3,3-pentamethyl-4(5H)-indanone (DPMI) was achieved on modified cyclodextrin stationary phase (heptakis (2,3-di- O -methyl-6- O-tert -butyl-dimethylsilyl-?-CD in DV-1701)). Separation techniques are coupled to tandem mass spectrometry (MS-MS), as it provides the sensitivity and selectivity needed. River and wastewaters (influents and effluents of wastewater treatment plants (WWTPs)) in the Nakdong River were investigated with regard to the concentrations and the enantiomeric ratios of polycyclic musks. HHCB was most frequently detected in river and wastewaters, and an enantiomeric enrichment was observed in the effluents of one of the investigated wastewater treatment plants (WWTPs). We reported the contamination of river and wastewaters in Korea by chiral polycyclic musks. The results of this investigation suggest that enantioselective transformation may occur during wastewater treatment.

Keywords: chiral pollutants; polycyclic musks; river and wastewaters; Korea; enantioselective transformation (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2016
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