Study of Relationship between pH of Urine and Sodium and Potassium Excretion.

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Abstract
Urinary pH was detd. hourly for a minimum period of 8 hrs. in 46 cases. The urine samples which were collected every hr. were analyzed for Na, K, NH3, chloride and titratable acidity. A definite correlation between Na-K excretion and variation in pH of the urine was established. All 16 exhibiting a Na excretion below 45 [mu]eq./min. had a fixed urinary pH at a level which differed considerably in each. Only 1 person with a slightly higher Na excretion (53 [mu]eq./min.) had a fixed urinary pH. K showed a similar pattern although less consistent, since 5 subjects with normal pH variations had a low K excretion.

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