[Normal value of electrolytes in the gastric juice]. / Valores normais de electrolítos no suco gástrico

In the present paper, the authors present the concentrations of electrolytes (Na, K, Ca, Mg and Cl) in the gastric juice of Na and K obtained by the flame photometer and by the atomic absorption spectrophotometer and conclude that the flame photometer may give false results when used to determine the electrolytes in the gastric juice.