This standard specifies the test methods for gas chromatography-mass spectrometer. This part applies to the physical and chemical examination of trace physical evidence in the field of criminal technology, and can also be used by reference in other fields.
GB/T 19267.7-2003 history
2008GB/T 19267.7-2008 Physical and chemical examination of trace evidence in forensic sciences.Part 7:Gas chromatography/mass spectrometry
2003GB/T 19267.7-2003 Physical and chemical examination of trace evidence in forensic sciences--Part 7: Gas chromatography/mass spectrometry