Internal standard the likely culprit for inaccurate BAC results

Internal standard the likely culprit for inaccurate BAC results

OK so you followed our recent series on the Carry-Over Effect problem that can lead to inaccurate Blood Alcohol Content results in the posts: A large problem in Gas Chromatography: No uniform standard for GC run position or composition  The Carry-over Effect: Lack of Blanks between tests leads to false positive or inflated BAC results…

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In analytical chemistry for ETOH and Drugs of Abuse determination, it is very true that the matrix is all around us but truly is ignored

In analytical chemistry for ETOH and Drugs of Abuse determination, it is very true that the matrix is all around us but truly is ignored

Keanu Reeves in the movie The Matrix noted that the matrix is all around us, you just haven’t chosen to see it. He had no idea that his statement would hold true in analytical testing for ETOH and drugs of abuse testing in DUI prosecution as well. The matrix is the substrate form which we…

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