Method for measuring phenolic compounds in textiles and leather products
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A technology of phenolic compounds and textiles, applied in the field involving phenolic compounds, to achieve the effects of less reagent consumption, avoiding the use of chemical reagents, and high sensitivity
Inactive Publication Date: 2013-08-07
福建省纤维检验局
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[0004] Among many detection methods, the determination of pentachlorophenol and 2,3,5,6-tetrachlorophenol, o-phenylphenol and 2-naphthol in leather and textiles is mostly carried out by gas chromatography-electron capture detector (GC- ECD) and gas chromatography-mass spectrometry (GC-MS) detection, and high-performance liquid chromatography-diode array detector (
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[0023] The method for the determination of phenolic compounds in textiles and leather by high performance liquid chromatography-triple quadrupole mass spectrometry is as follows.
[0024] 1) Use pentachlorophenol with a purity of ≥97%, 2,3,4,5-tetrachlorophenol, 2,3,4,6-tetrachlorophenol, 2,3,5,6-tetrachlorophenol, 2, Standard products of 4,5-trichlorophenol, 2,4,6-trichlorophenol, o-phenylphenol, m-hydroxybiphenyl, 2-naphthol and p-nitrophenol, and then formulated with methanol to make 500 mg / L Standard stock solution. When in use, it is diluted with methanol into a mixed standard working solution.
[0025] 2) Take a representative sample, cut it into 5 mm×5 mm, mix well, accurately weigh 1.0 g (accurate to 0.01 g), and place it in a stoppered glass bottle.
[0026] Add 20 mL of methanol, ultrasonically extract for 20 minutes, and transfer the extract to a chicken heart bottle. The residue was extracted with 20 mL methanol for 20 min, and the extracts were combined and evaporated...
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Abstract
The invention discloses a method for measuring phenolic compounds in textiles and leather products and relates a method for measuring phenolic compounds in textiles and leather products by using a high efficiency liquid chromatography-triple quadrupole mass spectrometer. According to the method disclosed by the invention, with methanol as an extracting solvent, the phenolic compounds in the textiles and leather products are extracted by adopting an ultrasonic extraction method; if interference of impurities exists, an obtained extracting solution is subjected to solid-phase extraction and purification and is subjected to volume settling by using methanol, and therefore the peak area is quantified by using qualitativeness of relative retention time and multiple reaction monitor. The method disclosed by the invention is rapid and reliable, high in flux analysis, sensitivity and recovery rate and good in precision and can be used for carrying out analysis and measurement on 10 types of phenolic compounds within 12 minutes, and the use amount of reagents is low and only 2.4ml; use of a great deal of chemical reagents is avoided, and therefore the environmental pollution is reduced; and the method is easy and feasible to measure the phenolic compounds in the textiles and leather products.
Description
technical field [0001] The present invention relates to phenolic compounds, in particular to pentachlorophenol, 2,3,4,5-tetrachlorophenol, 2,3,4,6-tetrachlorophenol, 2,3,5 , 6-tetrachlorophenol, 2,4,5-trichlorophenol, 2,4,6-trichlorophenol, o-phenylphenol, m-hydroxybiphenyl, 2-naphthol, p-nitrophenol and other phenolic compounds High performance liquid chromatography-triple quadrupole mass spectrometry method. Background technique [0002] Phenolic compounds are used as fungicides, preservatives, anti-mold agents and anti-moth agents in textiles and leather and other ecological textile industries, which mainly include pentachlorophenol, 2,3,4,5-tetrachlorophenol, 2 ,3,4,6-tetrachlorophenol, 2,3,5,6-tetrachlorophenol, 2,4,5-trichlorophenol, 2,4,6-trichlorophenol, o-phenylphenol, m-hydroxy Ten kinds of biphenyl, 2-naphthol, p-nitrophenol. [0003] Pentachlorophenol, 2,3,4,5-tetrachlorophenol, 2,3,4,6-tetrachlorophenol, 2,3,5,6-tetrachlorophenol, 2,4,5-trichlorophenol, 2,4,...
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