Tag Archives: ovi blood tests

Gas Chromatography Mass Spectrometry (An Overview)

gcms wikipediaTo fully comprehend the processes of chemical testing, your DUI attorney should understand gas chromatography – mass spectrometry. Gas chromatography mass spectrometry (hereinafter GCMS)  is a method that combines the features of gas-liquid chromatography and mass spectrometry to identify different substances within a test sample.  GC-MS has been widely heralded as a “gold standard” for forensic substance identification because it is used to perform a specific test.

Ohio Administrative Code 3701-53-03(A) sets forth the techniques and methods [Read the full post. . .]

DUI Blood & Urine Testing: Understanding Gas Chromatography

Gass chromatographer - oven with capliary colu...

If you have been arrested for a DUI involving blood testing you may encounter a testing procedure known as Gas Chromatography.  Gas Chromatography is the most reliable method for alcohol testing in blood and urine and has become the accepted gold standard in forensic toxicology.  Gas chromatography specificity for ethanol (drinking alcohol) is very good and this method can also identify and quantify other organic or interfering substances such as methanol and isopropanol. The two commonly used techniques for analyzing [Read the full post. . .]