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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

Sigma-Aldrich

Dibutyl phthalate, SAJ special grade, ≥98.0%

Sigma-Aldrich

Phthalic acid, SAJ special grade, ≥99.0%

Sigma-Aldrich

Methanol, SAJ first grade, ≥99.5%

Sigma-Aldrich

Methanol, JIS 300, ≥99.8%, suitable for residue analysis

Sigma-Aldrich

Methanol, JIS special grade, ≥99.8%

Sigma-Aldrich

Acetonitrile solution, contains 0.1 % (v/v) formic acid, suitable for HPLC

Sigma-Aldrich

Benzyl butyl phthalate, 98%

Sigma-Aldrich

Diisobutyl phthalate, 99%

Sigma-Aldrich

Phthalic acid, reagent grade, 98%

Sigma-Aldrich

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

Sigma-Aldrich

Methanol, suitable for NMR (reference standard)

Sigma-Aldrich

Acetonitrile solution, contains 0.1 % (v/v) trifluoroacetic acid, suitable for HPLC

Sigma-Aldrich

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

Sigma-Aldrich

Perfluorooctanoic acid, 95%

Sigma-Aldrich

Methanol, SAJ special grade

Sigma-Aldrich

Methanol, suitable for HPLC

Sigma-Aldrich

Acetonitrile solution, contains 10.0% acetone, 0.05% formic acid, 40.0% 2-propanol

Sigma-Aldrich

Ammonium acetate solution, 50 % (w/v)

Supelco

Diisobutyl phthalate, certified reference material, TraceCERT^®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

Sigma-Aldrich

Bis(2-ethylhexyl) phthalate, SAJ first grade, ≥98.0%

Sigma-Aldrich

Ammonium acetate, Molecular Biology, ≥98%

Sigma-Aldrich

Ammonium acetate, BioXtra, ≥98%

Sigma-Aldrich

Ammonium acetate solution, Molecular Biology, 7.5 M

Sigma-Aldrich

Ammonium acetate, reagent grade, ≥98%

Sigma-Aldrich

Dibutyl phthalate, 99%

Sigma-Aldrich

3,4-Dihydro-2H-pyran, 97%

Supelco

Dibutyl phthalate, PESTANAL^®, analytical standard

Sigma-Aldrich

Ammonium acetate, BioUltra, ≥99.0%

Supelco

Methanol, analytical standard

Supelco

Bis(2-ethylhexyl) phthalate, PESTANAL^®, analytical standard