ALTHOUGH urea is an inexpensive laboratory chemical, its solvent properties do not appear to have been fully appreciated by chemists. Nevertheless, it may well prove to be one of the most ...

Urine contains water, urea and salts. Urea is produced in the liver when excess amino acids are broken down. Urea is the main waste product removed in the urine, as it is not reabsorbed in the kidney.

They need to avoid eating foods with a high salt content or a high protein content as excess amino acids are broken down into urea. This again can be difficult to control and monitor, but will ...

Toray Industries Inc has begun advance sales to Japanese water treatment engineering companies of its TBW-XHR series of reverse osmosis (RO) membrane elements which double urea removal efficiency when ...