固相萃取-全二维气相色谱/飞行时间质谱同步快速检测蔬菜中64种农药残留
建立了蔬菜中64种农药残留固相萃取-全二维气相色谱-飞行时间质谱（GC×GC-TOF-MS）的测定方法。用乙腈提取样品,NH2-SPE固相萃取柱净化,甲醇-二氯甲烷溶液（5：95,V/V）洗脱,氮气吹扫浓缩,丙酮定容,全二维气相色谱（HP-5MS柱和DB17ht柱）-飞行时间质谱检测,基质曲线外标法定量。本方法的检出限（S/N=3）和定量限（S/N=10）范围分别为0.010～6.032μg/kg和0.035～20.107μg/kg。64种农药在油菜薹、黄瓜、茄子、四季豆和辣椒中的回收率范围为68.3%～117.8%,相对标准偏差为0.6%～9.1%。采用本方法检测市场中样品,发现2例样品中含...
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| Published in | Fēnxī huàxué Vol. 39; no. 1; pp. 72 - 76 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
农业部油料及制品质量监督检验测试中心,武汉,430062%中国农业科学院油料作物研究所,武汉,430062%农业部油料作物生物学重点开放实验室,武汉,430062
2011
农业部油料作物生物学重点开放实验室,武汉,430062 农业部油料及制品质量监督检验测试中心,武汉,430062 中国农业科学院油料作物研究所,武汉,430062 农业部油料及制品质量监督检验测试中心,武汉,430062%中国农业科学院油料作物研究所,武汉,430062 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 0253-3820 |
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| Abstract | 建立了蔬菜中64种农药残留固相萃取-全二维气相色谱-飞行时间质谱（GC×GC-TOF-MS）的测定方法。用乙腈提取样品,NH2-SPE固相萃取柱净化,甲醇-二氯甲烷溶液（5：95,V/V）洗脱,氮气吹扫浓缩,丙酮定容,全二维气相色谱（HP-5MS柱和DB17ht柱）-飞行时间质谱检测,基质曲线外标法定量。本方法的检出限（S/N=3）和定量限（S/N=10）范围分别为0.010～6.032μg/kg和0.035～20.107μg/kg。64种农药在油菜薹、黄瓜、茄子、四季豆和辣椒中的回收率范围为68.3%～117.8%,相对标准偏差为0.6%～9.1%。采用本方法检测市场中样品,发现2例样品中含乙酰甲胺磷和氯氰菊酯残留,测定值分别为0.036和0.107mg/kg。 |
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| AbstractList | 建立了蔬菜中64种农药残留固相萃取-全二维气相色谱-飞行时间质谱（GC×GC-TOF-MS）的测定方法。用乙腈提取样品,NH2-SPE固相萃取柱净化,甲醇-二氯甲烷溶液（5：95,V/V）洗脱,氮气吹扫浓缩,丙酮定容,全二维气相色谱（HP-5MS柱和DB17ht柱）-飞行时间质谱检测,基质曲线外标法定量。本方法的检出限（S/N=3）和定量限（S/N=10）范围分别为0.010～6.032μg/kg和0.035～20.107μg/kg。64种农药在油菜薹、黄瓜、茄子、四季豆和辣椒中的回收率范围为68.3%～117.8%,相对标准偏差为0.6%～9.1%。采用本方法检测市场中样品,发现2例样品中含乙酰甲胺磷和氯氰菊酯残留,测定值分别为0.036和0.107mg/kg。 O6; 建立了蔬菜中64种农药残留同相萃取-全二维气相色谱-飞行时间质谱(GC×GC-TOF-MS)的测定方2.用乙腈提取样品,NH2-SPE周相萃取柱净化,甲醇-二氯甲烷溶液(5:95,V/V)洗脱,氮气吹扫浓缩,丙酮定容,全二维气相色谱(HP-5MS柱和DB17ht柱)-飞行时间质谱检测,基质曲线外标法定量.本方法的检出限(S/N=3)和定量限(S/N=10)范围分别为0.010～6.032μg/kg和0.035～20.107 μg/kg.64种农药在油菜薹、黄瓜、茄子、四季豆和辣椒中的回收率范围为68.3%～117.8%,相对标准偏差为0.6%～9.1%.采用本方法检测市场中样品,发现2例样品中含乙酰甲胺磷和氯氰菊酯残留,测定值分别为0.036和0.107 mg/kg. |
| Author | 姜俊 李培武 谢立华 丁小霞 李英 王秀嫔 汪雪芳 张奇 管笛 |
| AuthorAffiliation | 中国农业科学院油料作物研究所,武汉430062 农业部油料作物生物学重点开放实验室,武汉430062 农业部油料及制品质量监督检验测试中心,武汉430062 |
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| Title | 固相萃取-全二维气相色谱/飞行时间质谱同步快速检测蔬菜中64种农药残留 |
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