Determination of pH by the glass electrode: pH meter calibration for gastric analysis.
D002021:Buffers / Q000592:standards*; D005745:Gastric Acidity Determination / Q000592:standards*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008722:Methods; D010070:Oxalates
D002021:Buffers; D010070:Oxalates