Determination of organophosphrous pesticides residues in cereals and oil seeds for import and export-Gas chromatography mass spectrometry method
试样用水-丙酮均质提取或二氯甲烷快速溶剂提取,经二氯甲烷液-液分配.以凝腔色谱柱净化,再经活性炭固相柱净化,洗脱液浓缩并溶解定容后,供气相色谱-质谱检测,外标法定量。
发布时间:
2006-01-26
实施时间:
2006-08-16
阅读数量:
(494)