硅胶活性碳柱净化-气相色谱法测定茶叶中多种有机磷农药残留量
규효활성탄주정화-기상색보법측정다협중다충유궤린농약잔류량
PRE-PURIFICATION WITH SILICA AND ACTIVE CHARCOAL COMBINED WITH GAS CHROMATOGRAPHIC DETERMINATION OF PESTICIDE RESIDUE OF MULTI-ORGANOPHOSPHORUS IN TEA
  • 万方数据
    理化检验-化学分册 이화검험-화학분책
    PHYSICAL TESTING AND CHEMICAL ANALYSIS PART B:CHEMICAL ANALYSIS
    2005年 4期 232-234 ,共3页

    谢文%丁慧瑛%郑自强%章晓氡

    사문%정혜영%정자강%장효동

    GC/FPD%有机磷%茶叶%农药残留物 GC/FPD%有機燐%茶葉%農藥殘留物
    GC/FPD%유궤린%다협%농약잔류물
    介绍了应用配有FPD检测器的气相色谱仪测定茶叶中有机磷农药残留量的新方法.磨碎的试样加入少量氯化钠,用水浸泡,再用乙腈提取.活性炭和硅胶混合小柱净化,乙酸乙酯洗脱.以GC-FPD测定,外标法定量,测定结果用不同极性的毛细管柱验证.方法准确,重现性、精密度好,杂质干扰少.有机磷农药检出限小于欧盟对茶叶的MRL值.
    개소료응용배유FPD검측기적기상색보의측정다협중유궤린농약잔류량적신방법.마쇄적시양가입소량록화납,용수침포,재용을정제취.활성탄화규효혼합소주정화,을산을지세탈.이GC-FPD측정,외표법정량,측정결과용불동겁성적모세관주험증.방법준학,중현성、정밀도호,잡질간우소.유궤린농약검출한소우구맹대다협적MRL치.
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