A new series of Chromium(lll ) hydroxybridged convounds of general formula [Cr(L) (OH) ] x H O have been synthesised. The infrared spectra have been systematical ly exami ned. The existence of cis and trans isonprs was ...

A simple indirect spectrophotometric method for the determination of nitrogen (as ammonia) is described. The method is based on the fact that in a neutral medium the precipi tat ion of nickel with dimethylglyoxime remains ...