Home / Standards / GB/T 22967-2008 GB/T 22967-2008 Active Determination of β-estradiol residues in milk and milk powder - Gas chromatography-negative-ion chemical ionization mass spectrometry method 牛奶和奶粉中β-雌二醇残留量的测定 气相色谱-负化学电离质谱法 Standard Type GBT ICS N/A CCS X04 Status 现行 Issue Date 2008-12-31 Implementation 2009-05-01 Responsible Dept 农业农村部 Drafting Unit N/A