This study focused on the preparation conditions of the Lanthanum with L-Threonine,including synthesis,feed ratio,temperature,acidity and time.

• 通过水溶液直接合成法制得L-苏氨酸镧,研究了L-苏氨酸镧的产率与反应的投料比、时间、温度、酸度等因素的关系。