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METHOD OF MULTI-RESIDUAL DETERMINATION OF PHTHALATES IN FOOD MILK SAMPLES BY ULTRASONIC EXTRACTION, MICRO-EXTRACTION IN SOLID PHASE IN HEADSPACE AND GAS CHROMATOGRAPHY COUPLED WITH MASS SPCTROMETRY ()
METHOD OF MULTI-RESIDUAL DETERMINATION OF PHTHALATES IN FOOD MILK SAMPLES BY ULTRASONIC EXTRACTION, MICRO-EXTRACTION IN SOLID PHASE IN HEADSPACE AND GAS CHROMATOGRAPHY COUPLED WITH MASS SPCTROMETRY ()
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机译:超声波萃取,头部固相微萃取和气相色谱-质谱联用法多残留测定食品牛奶样品中的邻苯二甲酸酯()
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摘要
The invention relates to an analytical method for determining phthalate in milk samples. According to the invention, the method consists of the milk sample extraction with ultrasounds, by using a mixture of cyclohexane : dichloromethane solvents, at the environmental temperature, for 15...30 min, followed by the extract evaporation, then by the lipide acid destruction, the micro-extraction in the solid phase of the analytes and the simultaneous determination of the 6 phthalic esters by gas chromatography coupled with mass spectrometry.
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