TOTAL NONDIALYZABLE SOLIDS (TNDS) IN HUMAN URINE V. SUBFRACTIONATION OF THE ULTRAFILTRATE (UF-O) FRACTION *

Abstract
A method is described for separation of the UF-O into 6 arbitrary but reproducible and apparently cleanly separated subtractions. The daily normal excretion rates and over-all chemical composition of these subfractions are presented.