Journal
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
Volume 413, Issue 7, Pages 1893-1903Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00216-021-03157-2
Keywords
Bisphenol F diglycidyl ether; Isomer distribution; Liquid chromatography; Gas chromatography; Mass spectrometry; Fragmentation pattern
Funding
- National Science Centre, Poland [2019/03/X/NZ9/01576]
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Positional isomers of bisphenol F diglycidyl ether (BFDGE) were analyzed by high-pressure liquid chromatography-mass spectrometry and gas chromatography-mass spectrometry, revealing the elution order of the isomers. Two new ortho,para isomers were detected for the first time in BFDGE derivatives, providing key insights into the distribution of these compounds in food samples.
Positional isomers of bisphenol F diglycidyl ether (BFDGE) have been analyzed by high-pressure liquid chromatography-mass spectrometry and by gas chromatography-mass spectrometry (HPLC-MS, GC-MS). Positional isomers of BFDGE derivatives (BFDGEx2H(2)O, BFDGExH(2)OxHCl) have been analyzed by HPLC-MS. On the basis of the obtained fragmentation patterns, the elution order of the isomers has been unequivocally determined, in standard solutions and in the sample of liquid obtained after rinsing an empty mackerel fish can with acetonitrile. Under HPLC condition, para,para isomers are eluted first, then ortho,para isomers' elution follows, and ortho,ortho isomers are eluted last. Under GC condition, the reverse elution order has been obtained. For the first time, two ortho,para isomers of BFDGExH(2)OxHCl have been detected and their elution order has been determined. The obtained results are of key importance for determination of the isomer distribution of BFDGE and its derivatives in food samples.
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