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氣相色譜-質(zhì)譜法同時測定皮革中鄰苯基苯酚與7種含氯苯酚
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作者
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單位
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劉卓欽，周長征，張瑞，梁金玲，黎嘉明，冼麗英
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1.廣東檢驗檢疫技術(shù)中心；2.從化出入境檢驗檢疫局
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中文摘要:建
立了同時測定皮革中鄰苯基苯酚和7種含氯苯酚的GC-MS聯(lián)用分析方法。采用甲醇為溶劑，超聲萃取皮革中的苯酚類物質(zhì)，蒸發(fā)濃縮后，用乙酸酐乙?；?
烷萃取，經(jīng)濃縮和定容后，用GC-MS測定，外標(biāo)法定量。結(jié)果表明，目標(biāo)物質(zhì)在0.02~0.30 mg/L范圍內(nèi)的線性關(guān)系良好，相關(guān)系數(shù)為0.998
9~0.999 9，平均回收率為89%~106%，相對標(biāo)準(zhǔn)偏差(n=7)為1.8%~8.8%；方法的定量下限低于0.01
mg/L。方法簡便、高效、準(zhǔn)確、靈敏，可滿足進出口皮革和皮革制品中多種苯酚類物質(zhì)的檢測需求。
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中文關(guān)鍵詞:皮革 鄰苯基苯酚 含氯苯酚 GC-MS 測定
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Simultaneous Determination of 2-Hydroxybiphenyl and 7 Chlorophenols in Leathers by GC-MS Method
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Abstract:A
GC-MS method was developed for the simultaneous determination of
2-hydroxybiphenyl and 7 chlorophenols in leathers.The crushed leather
sample was extracted with methanol in ultrasonic bath,then evaporated
and concentrated,and then acetylated with acetic anhydride and extracted
with n-hexane.After concentrated and set the volume,the target
compounds were analyzed by GC-MS and quantified by the external
method.The results indicated that the calibration curves were linear in
the range of 0.02-0.30 mg/L,with correlation coefficients of 0.998
9-0.999 9.The mean recoveries of 2-hydroxybiphenyl and 7 chlorophenols
in the blank sample were in the range of 89%-106%，with relative standard
deviations(RSDs,n=7) of 1.8%-8.8%.The quantitation limit of the method
was lower than 0.01 mg/L.The method was simple,efficient,accurate and
sensitive,and could meet the needs of a variety of phenols substances
detection in the import and export of leather and leather products.
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Key Words:leather 2-hydroxybiphenyl chlorophenol GC-MS determination
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引用本文：劉卓欽,周長征,張瑞,梁金玲,黎嘉明,冼麗英.氣相色譜-質(zhì)譜法同時測定皮革中鄰苯基苯酚與7種含氯苯酚[J].分析測試學(xué)報,2013,32(4):504-507.
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