Determination of Eight Metabolites of Organophosphate Flame Retardants in Human Urine by Solid-phase Extraction/High Performance Liquid Chromatography-Tandem Mass Spectrometry
Experimental Techniques and Methods|更新时间:2025-04-10
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Determination of Eight Metabolites of Organophosphate Flame Retardants in Human Urine by Solid-phase Extraction/High Performance Liquid Chromatography-Tandem Mass Spectrometry
Journal of Instrumental AnalysisVol. 44, Issue 4, Pages: 726-731(2025)
QIN Wei-zhen,HUANG Cheng-peng,WANG Fu,REN Yan,LU Shao-you,LUO Lan.Determination of Eight Metabolites of Organophosphate Flame Retardants in Human Urine by Solid-phase Extraction/High Performance Liquid Chromatography-Tandem Mass Spectrometry[J].Journal of Instrumental Analysis,2025,44(04):726-731.
QIN Wei-zhen,HUANG Cheng-peng,WANG Fu,REN Yan,LU Shao-you,LUO Lan.Determination of Eight Metabolites of Organophosphate Flame Retardants in Human Urine by Solid-phase Extraction/High Performance Liquid Chromatography-Tandem Mass Spectrometry[J].Journal of Instrumental Analysis,2025,44(04):726-731. DOI: 10.12452/j.fxcsxb.24053097.
Determination of Eight Metabolites of Organophosphate Flame Retardants in Human Urine by Solid-phase Extraction/High Performance Liquid Chromatography-Tandem Mass Spectrometry
磷酸二对甲苯酯、磷酸二(1-氯-2-丙基)酯、磷酸二(1,3-二氯-2-丙基)酯、磷酸二(2-氯乙基)酯、磷酸二(2,3-二溴丙基)酯、磷酸二(2-丁氧基乙基)酯)的高效液相色谱-串联质谱法。取2 mL尿样,经酶解、净化、浓缩、复溶,采用1 mmol/L乙酸铵水溶液与甲醇为流动相梯度洗脱,Kinetex C
A method was established for the determination of 8 diaryl phosphates (diphenyl phosphate,dibenzyl phosphate,bis(2-methylphenyl)hydrogen phosphate
&
bis(4-methylphenyl)hydrogen phosphate,bis(1-chloro-2-propyl)phosphate,bis(1,3-dichloro-2-propyl)phosphate,bis(2-chloroethyl)phosphate,bis(2,3-dibromopropyl)phosphate,bis(butoxyethyl)phosphate) in human urine using high performance liquid chromatography-tandem mass spectrometry. The target compounds were extracted,purified,concentrated and redissolved. Then,the target compounds were separated by a Kinetex C
18
(100 mm×2.1 mm,2.6 μm) column. 1 mmol/L ammonium acetate aqueous solution and methanol were used as mobile phase and gradient elution was adopted. Quantitative analysis was performed using isotope internal standard under ESI
-
ion source mode. Under optimal conditions,the target compounds showed good linearity with the correlation coefficients(
r
2
) greater than 0.99 within their respective ranges. The detection limits(LODs) were in the range of 0.05-0.30 μg/L,and the quantification limits(LOQs) were in the range of 0.2-1.0 μg/L. Average recoveries of the target compounds were in the range of 76.8%-115% at three different levels,and the relative standard deviations(RSDs) were between 2.3% and 9.8%. This method is simple,fast,highly sensitive and effective. It has been applied to analyze the levels of metabolites of organophosphate flame retardants in children’s urine in Longhua District,Shenzhen. It provides a scientific basis for the exposure assessment of metabolites of organophosphate flame retardants.
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Related Author
QIN Wei-zhen
HUANG Cheng-peng
WANG Fu
REN Yan
LU Shao-you
LUO Lan
WANG Wei-li
LIN Xue-xian
Related Institution
Shenzhen Longhua District Center for Disease Control and Prevention,Shenzhen
School of Public Health (Shenzhen),Sun Yat-sen University,Shenzhen