Method for enriching and detecting phthalate ester compound in wine sample by ionic liquid-dispersive liquid-liquid microextraction

A technology of ester compounds and phthalic acid, which is applied in the field of enrichment and detection of phthalate compounds in wine samples by ionic liquid-dispersion liquid-liquid microextraction, can solve the problems of complex organic matrix and high ethanol content , to achieve the effect of simple operation, less usage, accurate and effective measurement
CN103822982AInactive Publication Date: 2014-05-28NINGBO INST OF TECH ZHEJIANG UNIV ZHEJIANG
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
NINGBO INST OF TECH ZHEJIANG UNIV ZHEJIANG
Publication Date
2014-05-28
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a method for enriching and detecting a phthalate ester compound in a wine sample by ionic liquid-dispersive liquid-liquid microextraction. According to the method, the phthalate ester compound in the wine sample is enriched by ionic liquid-dispersive liquid-liquid microextraction, and then trace amounts of a phthalate ester plasticiser in the wine sample are detected by headspace-gas chromatography-mass spectrometry or liquid chromatography. The method is characterized in that extraction, enrichment and purification of trace amounts of a phthalate ester plasticiser in a common wine sample are integrated; the content of the trace amounts of the phthalate ester plasticiser in the wine sample can be measured accurately and effectively; the method can be used in quality control of a wine sample; and the method is rapid and reliable and is simple to operate.
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Description

technical field

[0001] The invention relates to a method for enriching and detecting phthalate compounds in wine samples by an ionic liquid-dispersion liquid-liquid microextraction method. Specifically, the ionic liquid-dispersed liquid-liquid microextraction method was used to enrich the phthalates in the wine samples, and then the headspace-gas chromatography-mass spectrometry or liquid chromatography was used to detect trace phthalates in the wine samples. Dicarboxylate plasticizers. Background technique

[0002] Phthalic acid ester compounds (Phthalic acidester, PAEs), also known as phthalic acid ester compounds, its chemical structure is generally composed of a rigid planar aromatic hydrocarbon and two plastic nonlinear aliphatic side chains (see the general structural formula (I) below shown). Mainly include: dimethyl phthalate (DMP), diethyl phthalate (DEP), dicyclohexyl phthalate (DCHP), dinonyl phthalate (DINP), phthalate Nonyl dicarboxylate (DNP), n-octyl phthal...

Claims

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