Determination of butaperazine in biological fluids by gas chromatography using nitrogen specific detection system
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Updated: Oct 21, 2026

On-line Analysis of Nitrogen Containing Compounds in Complex Hydrocarbon Matrixes
Published on: August 5, 2016
Abstract:
A simple and sensitive gas chromatographic method for the quantitative determination of butaperazine in biological fluids is described. The use of a nitrogen specific detector reduces the number of interfering peaks, thereby increasing the number of samples that can be analyzed. When butaperazine is extracted from 2 ml of plasma, the coefficient of variation is 7.4% over the concentration range of 5-180 ng/ml. The method was used to measure the levels in plasma and red blood cells in schizophrenic patients treated with butaperazine. It was also extended to measure butaperazine levels in rat red blood cells, plasma, liver, and brain after intraperitoneal injection (15 mg/kg).
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