negative chemical ionization
negative chemical ionization, Total:2 items.
The international standard classification for "negative chemical ionization" includes: General methods of tests and analysis for food products .
The Chinese standard classification for "negative chemical ionization" includes: Basic standards and general methods .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 22967-2008 Determination of β-estradiol residues in milk and milk powder - Gas chromatography-negative-ion chemical ionization mass spectrometry method
- GB/T 20749-2006 Method for determination of β-estradiol residues in bovine urine gas chromatography-negative-ion chemical ionization mass spectrometry method
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