On July 3, officials announced that the toxic agent had been identified as sarin using gas chromatography-mass spectrometry.

Testing for formaldehyde is by blood and/or urine by gas chromatography-mass spectrometry.

The technique can be used with gas chromatography-mass spectrometry.

The instruments are used for the analysis of gases and in gas chromatography-mass spectrometry.

Methods for detection in urine specimens usually involve gas chromatography-mass spectrometry.

The laboratory analyst will possess at least a bachelor's degree and a specialized understanding of the mechanics of gas chromatography-mass spectrometry.

WIth Roland Gohlke, he pioneered the technique of gas chromatography-mass spectrometry.

A 2006 study reported an analytical method based on gas chromatography-mass spectrometry with detection levels at the parts per billion level.

Dioscorea polygonoides has been found to contain 2.64% diosgenin as shown by gas chromatography-mass spectrometry.

The diagnosis is usually made by detecting an abnormal pattern of organic acids in a urine sample by gas chromatography-mass spectrometry.