1990 Volume 38 Issue 6 Pages 1755-1756
The behavior of gastric pH during digestion of a solid meal in beagle dogs was determined by use of an ion-selective field effect transistor pH sensor. The pH in the stomach was 3.9±0.4 (mean±S.D., n=6) at 0.5h after meals. It was maintained at a mildly acidic (about pH 3) level for long periods.