GB 31658.7-2021 National food safety standards for the determination of 17β-estradiol, estriol, ethinylestradiol and estrone residues in animal foods by gas chromatography-mass spectrometry (English Version)
This document specifies the sample preparation and gas phase analysis for the detection of steroid hormone drug residues (17β-estradiol, estriol, ethinyl estradiol, estrone) in beef, sheep, pig, chicken muscle, pig liver, kidney, and fat. Chromatography-mass spectrometry method. This document is applicable to the detection of 17β-estradiol, estriol, ethinyl estradiol and estrone residues in cattle, sheep, pigs, chicken muscle and pig liver, kidney and fat
GB 31658.7-2021 history
2021GB 31658.7-2021 National food safety standards for the determination of 17β-estradiol, estriol, ethinylestradiol and estrone residues in animal foods by gas chromatography-mass spectrometry