液相色谱-串联质谱法同时测定婴幼儿配方乳粉中全氟辛酸、全氟辛烷磺酸、双酚A和壬基酚残留

引用本文: 王浩, 邵明媛, 贾婧怡, 刘明艳, 裴帆. 液相色谱-串联质谱法同时测定婴幼儿配方乳粉中全氟辛酸、全氟辛烷磺酸、双酚A和壬基酚残留[J]. 色谱, 2018, 36(12): 1279-1283. doi: 10.3724/SP.J.1123.2018.07011 shu

Citation: WANG Hao, SHAO Mingyuan, JIA Jingyi, LIU Mingyan, PEI Fan. Simultaneous determination of perfluoric acid, perfluorooctane sulfonic acid, bisphenol A, nonylphenol in infant milk powder by high-performance liquid chromatography-tandem mass spectrometry[J]. Chinese Journal of Chromatography, 2018, 36(12): 1279-1283. doi: 10.3724/SP.J.1123.2018.07011 shu

液相色谱-串联质谱法同时测定婴幼儿配方乳粉中全氟辛酸、全氟辛烷磺酸、双酚A和壬基酚残留

国家食品质量安全监督检验中心, 北京 100094
基金项目:
北京市科技计划项目（Z171100004417026）.

摘要: 建立了婴幼儿配方乳粉中全氟辛酸、全氟辛烷磺酸、双酚A和壬基酚多残留的高效液相色谱-串联四极杆质谱联用测定方法。样品用水超声溶解，乙腈沉淀蛋白质，液相色谱-串联质谱测定，基质内标法定量。以Hypersil GOLD C₁₈色谱柱（50 mm×4.6 mm，1.9 μm）分离，流动相为30 mmol/L乙酸铵水溶液和甲醇，流速0.30 mL/min。在该优化条件下，全氟辛酸、全氟辛烷磺酸、双酚A和壬基酚的定量限分别为0.5、1.0、10.0和5.0 μg/kg，方法回收率为86.1%~106.8%，相对标准偏差为2.87%~9.53%。测定了多种市售婴幼儿配方奶粉，表明该方法操作简单、测定结果准确，可用于婴幼儿配方奶粉中全氟辛酸、全氟辛烷磺酸、双酚A和壬基酚多残留的同时快速测定。

关键词:

English

Simultaneous determination of perfluoric acid, perfluorooctane sulfonic acid, bisphenol A, nonylphenol in infant milk powder by high-performance liquid chromatography-tandem mass spectrometry

China National Food & Safety Supervision and Inspection Center, Beijing 100094, China
Received Date: 27 July 2018
Fund Project:
Beijing Science and Technology Project (No. Z171100004417026).

Abstract: A rapid confirmative method was developed for determining the residues of perfluoric acid (PFOA), perfluorooctane sulfonic acid (PFOS), bisphenol A (BPA), and nonylphenol (NP) in infant milk powder by HPLC-MS/MS. The sample was dissolved in water by ultrasonication, and the protein was removed by dissolving in acetonitrile. The analytes were separated on a Hypersil GOLD C₁₈ column (150 mm×2.0 mm, 5 μm) using 30 mmol/L ammonium acetate solution and methanol as mobile phases, with gradient elution at a flow rate of 0.3 mL/min. Finally, the samples were determined by HPLC-MS/MS. Internal matrix-matched calibration was used for quantification. The limits of quantification (LOQs, S/N=10) of PFOA, PFOS, BPA, and NP were 0.5, 1.0, 10.0, and 5.0 μg/kg, respectively. The recoveries ranged from 86.1% to 106.8%, and the relative standard deviations (RSDs) were in the range from 2.87% to 9.53%. The method was also applied to real samples. The results showed that the method was simple and accurate, and can be used for determining the residues of PFOA, PFOS, BPA, and NP in infant milk powder.

Key words:

high-performance liquid chromatography tandem mass spectrometry (HPLC-MS/MS)
/ perfluoric acid (PFOA)
/ perfluorooctane sulfonic acid (PFOS)
/ bisphenol A (BPA)
/ nonylphenol (NP)
/ infant milk powder

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液相色谱-串联质谱法同时测定婴幼儿配方乳粉中全氟辛酸、全氟辛烷磺酸、双酚A和壬基酚残留

English

Simultaneous determination of perfluoric acid, perfluorooctane sulfonic acid, bisphenol A, nonylphenol in infant milk powder by high-performance liquid chromatography-tandem mass spectrometry

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

液相色谱-串联质谱法同时测定婴幼儿配方乳粉中全氟辛酸、全氟辛烷磺酸、双酚A和壬基酚残留

English

Simultaneous determination of perfluoric acid, perfluorooctane sulfonic acid, bisphenol A, nonylphenol in infant milk powder by high-performance liquid chromatography-tandem mass spectrometry

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

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CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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