the National Natural Science Foundation of China (No. 20275030) the Key Item of Science and Technique by the Ministry of Education (No. 02187) the Foundation for University Key Teacher by the Ministry of Education (No. GG-150-71006-2
Voltammetric behavior of sodium 7-methoxyl-4'-hydroxylisoflavone-3'-sulfonate (SMHS) in the aqueous solu-tion from pH 1 to 5 was studied by linear sweep voltammetry, cyclic voltammetry and normal pulse voltammetry. Ex...
the Natural Science Foundation of Shaanxi Province (No. 2001K11-G5).
Two hydrates of sodium 5,7-dihydroxy-6,4'-dimethoxyisoflavone-3'-sulfonate ([Na(H2O)](C17H13O6SO3)2H2O, 1) and nickel 5,7-dihydroxy-6,4'-dimethoxyisoflavone-3'-sulfonate ([Ni(H2O)6](C17H13O6SO3)24H2O, 2) were syn-thes...