GB 31660.4-2019
食品安全国家标准动物性食品中醋酸甲地孕酮和醋酸甲羟孕酮残留量的测定液相色谱-串联质谱法
National food safety Standard- Determination of megestrol acetate and medroxyprogesterone acetate residues in anima I derived foods by I iquid chr oma tog r ap hy-tandem mass spectrometry
2019-09~06 发布    
2020-04-01 实施