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Rapid screening and identification of multi-class substances of very high concern in textiles using liquid chromatography-hybrid linear ion trap orbitrap mass spectrometry.

Rapid screening and identification of multi-class substances of very high concern in textiles using liquid chromatography-hybrid linear ion trap orbitrap mass spectrometry.

Journal of chromatography. A (2015-02-24)

Li Zhang, Xin Luo, Zengyuan Niu, Xiwen Ye, Zhixu Tang, Peng Yao

ABSTRACT

A new analytical method was established and validated for the analysis of 19 substances of very high concern (SVHCs) in textiles, including phthalic acid esters (PAEs), organotins (OTs), perfluorochemicals (PFCs) and flame retardants (FRs). After ultrasonic extraction in methanol, the textile samples were analyzed by high performance liquid chromatography-hybrid linear ion trap Orbitrap high resolution mass spectrometry (HPLC-LTQ/Orbitrap). The values of LOQ were in the range of 2-200mg/kg. Recoveries at two levels (at the LOQ and at half the limit of regulation) ranged from 68% to 120%, and the repeatability was lower than 13%. This method was successfully applied to the screening of SVHCs in commercial textile samples and is useful for the fast screening of various SVHCs.

MATERIALS

Product Number

Brand

Product Description

Supelco

Methanol, Pharmaceutical Secondary Standard; Certified Reference Material

Supelco

Phthalic acid, analytical standard

Supelco

Acetonitrile(Neat), Pharmaceutical Secondary Standard; Certified Reference Material

Sigma-Aldrich

Methanol, suitable for HPLC, gradient grade, suitable as ACS-grade LC reagent, ≥99.9%

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Methanol, suitable for HPLC, gradient grade, ≥99.9%

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Methanol, ACS reagent, ≥99.8%

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Methanol, Absolute - Acetone free

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Methanol, ACS spectrophotometric grade, ≥99.9%

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Methanol, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.8% (GC)

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Methanol, ACS reagent, ≥99.8%

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Ammonium acetate, ACS reagent, ≥97%

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Ammonium acetate, ≥99.99% trace metals basis

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Methanol, BioReagent, ≥99.93%

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Perfluorooctanoic acid, 95%

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Acetonitrile solution, contains 0.05 % (v/v) trifluoroacetic acid

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Acetonitrile solution, contains 0.05 % (w/v) ammonium formate, 5 % (v/v) water, 0.1 % (v/v) formic acid, suitable for HPLC

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Ammonium acetate, BioXtra, ≥98%

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Ammonium acetate, Molecular Biology, ≥98%

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Ammonium acetate solution, Molecular Biology, 7.5 M