The hydrazones were prepared by the condensation of N, N-bis(β-chloroethyl) hydrazine hydrochloride(ⅰ) and appropriate carbonyl compound in ethanol with or without the addition of alkali. 它们的制备,系由N,N-双(2-氯乙基)肼盐酸盐(Ⅰ)与相应的羰基化合物,在碱存在或不存在的醇溶液中反应而得。
Catalytic spectrophotometric determination of Trace Molybdenum Using reduction of Azur ⅰ with hydrazine hydrochloride 以盐酸肼还原天青I催化光度法测定痕量钼