An automated potentiometric method for serum albumin determination by use of the picrate/albumin reaction is described. A continuous-flow system and a specially designed flow-through picrate ion electrode were used in making the measurements. Various factors affecting the reaction, such as pH, picrate ion concentration, and reaction time, were studied. Peak height in millivolts and albumin conc...

The title compound, C(2)H(10)N(2) (2+)·2C(6)H(2)N(3)O(7) (-)·2H(2)O, crystallizes with a complete picrate anion and half an ethyl-enediammonium dication on a mirror plane, and two half-water mol-ecules (both on a mirror plane) in the asymmetric unit. The N atoms from separate half ethyl-enediammonium dications are in near proximity to a phenolate O atom and two o-NO(2) groups from the picrate a...

Although the clearance of endogenous creatinine as a measure of the glomerular filtration rate has been much criticized, it remains the only possible measure where repeated or continuous investigation is needed, and has already yielded much useful information. When we started to use it, however, it became apparent that while the estimation of creatinine in urine was satisfactory, that of plasma...