食品研究与开发
食品研究與開髮
식품연구여개발
Food Research and Development
2015年
19期
155-157
,共3页
农药残留%苹果%气相色谱法
農藥殘留%蘋果%氣相色譜法
농약잔류%평과%기상색보법
pesticide residues%apple%gas chromatography
建立气相色谱法测定苹果中氟啶脲、毒死蜱等6种农药残留检测的方法。此方法采用乙腈提取苹果中氟啶脲、毒死蜱等6种农药，用氨基柱对样品进行净化，利用气相色谱作为检测手段，ECD检测器进行定性定量分析。研究表明：测定苹果中6种农药残留含量重复性试验相对标准偏差为1.97%～4.92%，定量限为0.002 mg/kg～0.04 mg/kg，检出限为0.0005 mg/kg～0.02 mg/kg。6种农药在0.05 mg/kg～2.0 mg/kg范围内线性关系良好，r值均大于0.999。此方法检测苹果中氟啶脲、毒死蜱等6种农药残留检测准确，可行，符合国家标准要求。
建立氣相色譜法測定蘋果中氟啶脲、毒死蜱等6種農藥殘留檢測的方法。此方法採用乙腈提取蘋果中氟啶脲、毒死蜱等6種農藥，用氨基柱對樣品進行淨化，利用氣相色譜作為檢測手段，ECD檢測器進行定性定量分析。研究錶明：測定蘋果中6種農藥殘留含量重複性試驗相對標準偏差為1.97%～4.92%，定量限為0.002 mg/kg～0.04 mg/kg，檢齣限為0.0005 mg/kg～0.02 mg/kg。6種農藥在0.05 mg/kg～2.0 mg/kg範圍內線性關繫良好，r值均大于0.999。此方法檢測蘋果中氟啶脲、毒死蜱等6種農藥殘留檢測準確，可行，符閤國傢標準要求。
건립기상색보법측정평과중불정뇨、독사비등6충농약잔류검측적방법。차방법채용을정제취평과중불정뇨、독사비등6충농약，용안기주대양품진행정화，이용기상색보작위검측수단，ECD검측기진행정성정량분석。연구표명：측정평과중6충농약잔류함량중복성시험상대표준편차위1.97%～4.92%，정량한위0.002 mg/kg～0.04 mg/kg，검출한위0.0005 mg/kg～0.02 mg/kg。6충농약재0.05 mg/kg～2.0 mg/kg범위내선성관계량호，r치균대우0.999。차방법검측평과중불정뇨、독사비등6충농약잔류검측준학，가행，부합국가표준요구。
An analytical method for determination of chlorfluazuron ,Chlorpyrifos and six other residues in apple using gas chromatography with electron capture detector (GC ECD) was developed. The samples were extracted with acetonitrile, further clean-up on amino column.The result showed that the relative standard deviations of six pesticide residues content was 1.97 %-4.92 % under this method for determination.The limits of quantification were 0.002 mg/kg-0.04 mg/kg and the limits of detection were 0.000 5 mg/kg-0.02 mg/kg. Six pesticides had a good linearity was obtained from range 0.05 to 2.0 mg/L and the r values were greater than 0.999,The method is feasibility and accurate for using to determinechlorfluazuron,Chlorpyrifos and six other residues in apple,the result is accord with national level.
