Gos Chromatographic Determination of Catecholamines in Normal Human Plasma and Rat Serum

Abstract

Catecholamines in normal human plasma and rat serum are determined by gas chromatographic method 1, 2). In one ml of human plasma, only dopamine conjugates 3) are detected at the level of a few ng, while 3 catecholamines are detected in rat plasma in the free form at a higher level4) .