Determination of 500 pesticides and related chemicals residues in fruits and vegetables Gas chromatography-mass spectrometry
替代标准:GB/T 19648-2006;原理:试样用乙腈匀浆提取,盐析离心后,取上清液,经固相萃取柱净化,用乙腈-甲苯溶液(3+1) 洗脱农药及相关化学品,溶剂交换后用气相色谱-质谱仪检测
发布时间:
2016-12-18
实施时间:
2017-06-18
阅读数量:
(663)