This may sometimes be accomplished by choosing such conditions of precipitation that the supersaturation is not too great.Gelatinous precipitates are hard to filter and purify by s washing process.
英
美
- 所谓陈化,是指沉淀后使沉淀与母液共同放置一段时间,或加热搅拌一段时间后再进行固液分离。