CLINICAL SIGNIFICANCE OF ELECTROLYTES OF ENDOLYMPH:The 2nd Report :The results of examination of potassium concentration in the endolymph of normal guinea pig
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概要
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In the previous report a new method of determining potassium concentration in the ultra minute volume of endolymph obtained from an inner ear of the guinea pig was reported.The volume 0.0001 to 0.001 cc of the endolymph was determined accurately by a comparator, then the sample was diluted to 5 cc with by the distilled water, and its potassium concentration was determined by a flame spectrophotometer. Various samples of the known potassium concentration of 150, 100 and 70 mEq/1 were tested by this method and the experimental error was found to be as accurate as under ± 5 % (the first report). Applying this method to ten samples of the endolymph obtained from one inner ear of normal guinea pigs were examined.Their potassium concentration ranged from 122 to 166 mEq/1.
- 一般社団法人 日本耳鼻咽喉科学会の論文