The Oxalate-tolerance-value: a Whole Urine Method to Discriminate Between Calcium Oxalate-stoneformers and Others
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In undiluted urine portions the oxalate-concentration required for precipitation (= oxalate-tolerance) can be obtained by titration with sodium-oxalate and turbidimetric detection. The corresponding urinary calcium-concentration was measured and the two values plotted against each other. With regard to a standard-curve (measurements in synthetic urine) different behaviour between urines of stone forming patients and others can be observed.
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