When TTA is used to extract zirconium in uranium, the combination of zirconium and TTA is very strong, the concentrated acid of nitric acid and hydrochloric acid can not destroy their combination.
用TTA萃取分离铀、锆时,TTA对锆的螯合作用很强,硝酸和盐酸的浓酸溶液并不能破坏它们之间的整合,即对锆的反萃取非常困难。
The direct titration of pyridine with aqueous standard solution of hydrochloric acid in the presence of concentrated neutral salts have been studied.
本文对浓中性盐存在时,用盐酸标准溶液直接滴定吡啶进行了研究。
White crystal or offwhite powder, undissolving in water or alcohol, dissolving in concentrated sulphuric acid or hydrochloric acid or ammonia or potassium iodide.
白色结晶或灰白色粉末,见光易分解变成棕黄色。不溶于水和乙醇。溶于浓硫酸和盐酸,亦溶于氨水、碘化钾。
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