CAJ | 학술논문

建立了超声波-顶空固相微萃取-气相色谱检测葡萄酒中的痕量木塞污染物——2,4,6-三氯苯甲醚（TCA）的方法。试验结果表明,该方法有良好的线性关系,相关系数为0.999 89,方法定量限为0.5 ng/L,相对标准偏差RSD在1.98%～5.32%之间,加标回收率为89.0%～103.2%。该方法操作简便、快速、准确度高、重现性好,适用于普通实验室对葡萄酒中痕量TCA残留的检测。
건립료초성파-정공고상미췌취-기상색보검측포도주중적흔량목새오염물——2,4,6-삼록분갑미（TCA）적방법。시험결과표명,해방법유량호적선성관계,상관계수위0.999 89,방법정량한위0.5 ng/L,상대표준편차RSD재1.98%～5.32%지간,가표회수솔위89.0%～103.2%。해방법조작간편、쾌속、준학도고、중현성호,괄용우보통실험실대포도주중흔량TCA잔류적검측。
A new method used for the determination of trace contaminants of cork stoppers-2,4,6-trichloroanisole（TCA）in wine by Ultrasonic Oscillation assisted HS-SPME-GC,through the comparative study of pretreatment,extraction conditions and chromatographic separation condition optimization.The result shows that the method had taken on good linear relation with a correlation coefficient 0.999 89,the quantitative limit of the method was 0.5 ng/L,the repeatability（RSD）was from 1.98% to 5.32%,the recoveries were in the range of 89.0 ～ 103.2%.The method is simple,speediness,high accuracy,good reproducibility and suitable for general laboratory to detect trace TCA residues in wine.