crude urine

crude u·rine

pale urine of low specific gravity, with very little sediment.
References in periodicals archive ?
This may be particularly relevant for crude urine samples, which contain considerable amounts of cross-reacting substances and other structurally related compounds competing with the N45.
b) Recovery of 8-oxodGuo in urine was estimated by the addition of 8-oxodGuo in 5 different concentrations (2-50 [micro]g/L) to crude urine samples.
One-dimensional spectra of the crude urine were obtained by operating in the pulsed Fourier-transform mode with quadrature detection; there was a selective reduction in the TZ of the water protons by chemical exchange with N[H.