The effect of the concentration of acid and alkali, the reacting temperareture and time, the ratio-raw marterials and the oxido-reduction conditions etc. on the product quality and yield were studied.

• 同时,对制备过程中酸、碱的浓度、反应温度和时间,配料比以及氧化还原的条件等对产品质量和收率的影响进行了研究。