Abstract
Conclusions
1. A comparison of 3 methods for water determination of lung, blood, and plasma has been given. The method utilizing the Karl Fischer reagent is considered superior. Ratios of iron, sodium, potassium, and chloride content of guinea pig, rabbit, and human lung are presented. 2. The probable volatilization of chloride during oven or freeze drying is discussed. The electrolyte concentrations and the extracellular water vary widely in the lungs of rabbits, less so in guinea pigs, but are not as consistent as has been reported for rats. The extracellular water in the 3 human lung specimens was remarkably constant.
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