The Use of 1,3-Dimethylvioluric Acid in Spectrophotometric Titrations of Alkali and Alkaline Earth Salts.

Abstract

°Average values, using calibration curve prepared in absence of U.region of 1 Mg. of technetium. However, this blank, if not corrected for, nullifies a negative error at higher technetium levels, which is probably due to oxidation of the technetium (V) thiocyanate. Consequently, reasonably accurate results are obtained in the presence of a limited amount of nitrate.Above 6% nitrate, the thiocyanate in the extract deteriorates too rapidly to permit accurate measurement of absorb-

Small compound – big colors: synthesis and structural investigation of brightly colored alkaline earth metal 1,3-dimethylviolurates

“…[29][30][31] Frequently studied organo-substituted violuric acid derivatives include e.g. 1-methylvioluric acid, 32 1,3-dimethylvioluric acid (2) [33][34][35] and 1,3-diphenylvioluric acid. 34 Violurate anions not only form a variety of pantochromic metal salts, but they are also versatile ligands for main-group, transition metal and f-element complexes.…”

“…29–31 Frequently studied organo-substituted violuric acid derivatives include e.g. 1-methylvioluric acid, 32 1,3-dimethylvioluric acid ( 2 ) 33–35 and 1,3-diphenylvioluric acid. 34…”