Thermodynamical aspects of the determination of bicarbonate in urine.

Abstract:

:Despite the fact that the composition of urine varies a lot during the day, this has essentially been neglected as a factor of importance in determinations of urine bicarbonate. The investigations reviewed in combination with an own study shows that qualitative and quantitative factors in urine composition impacts the solubility of carbon dioxide as well as the dissociation constant for the bicarbonate buffer system. These two "constants" are of outstanding importance in the determination of bicarbonate, using the total carbonic acid method as well as the carbon dioxide equilibration method. Nomograms are presented to quantify the influence of different urine compositions on the determinations of bicarbonate in final urine and tubular fluid.

journal_name

Ups J Med Sci

authors

Sohtell M,Karlmark B

doi

10.3109/03009738209178420

subject

Has Abstract

pub_date

1982-01-01 00:00:00

pages

151-61

issue

2

eissn

0300-9734

issn

2000-1967

journal_volume

87

pub_type

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