推进素质教育 培养创新人才——努力将新疆少数民族科技教育提高到一个新的发展水平

A simple non-aqueous titration method has been devised for determining the sulphates of quinine and quinidine. The sulphate is precipitated by addition of excess of barium perchlorate solution in acetic and the liberated alkaloid is then titrated in 1:2 anhydrous acetic-dioxan mixture, with an aceti... View More