在研究低价氯化钛在熔盐中的相图及歧化反应时,常需要测定熔体中的低价钛。测定三价钛的方法已经成熟,但对于测定二价钛,有些方法的可靠性还存在问题,尚有必要进行商榷。测定熔盐中二价氯化钛的方法,大致可分为两大类:第一类是利用二价钛离子能置换酸中的氢来进行测定,反应可表示如下: In the study of low-cost titanium chloride in molten salt phase diagram and disproportionation reaction, often need to determine the low-cost melt titanium. The method for the determination of trivalent titanium has matured, but for the determination of bivalent titanium, there are still some problems in the reliability of the method, it is still necessary to be open to question. Determination of molten salt divalent titanium chloride method can be broadly divided into two categories: The first category is the use of bivalent titanium ions can be replaced by hydrogen in the acid to be measured, the reaction can be expressed as follows: