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  • Analysis of ethchlorvynol (Placidyl): evaluation of a comparison performed in a clinical laboratory.

Analysis of ethchlorvynol (Placidyl): evaluation of a comparison performed in a clinical laboratory.

Journal of analytical toxicology (1984-11-01)
R R Bridges, T A Jennison
ABSTRACT

Common techniques for analyzing ethchlorvynol (Placidyl) by colorimetry and gas liquid chromatography are evaluated. Matrix effects are thoroughly examined to determine their contribution to the validity of results.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Tungstic acid, 99%
Sigma-Aldrich
Tungstic acid, ≥98.0% (calcined substance, T), powder