the amine salt is then separated from the reaction mixture and basifixed to reclaim starting amine for recycle to the process.
之后将该胺盐从反应混合物中分离,并且进行碱化以回收起始胺用以再循环至工艺中。
A novel approach to analyze the content of boron trioxide in zinc borate was established using bromocresol green-methyl red mixture as indicator to determine the titration starting point.
建立了一种测定硼酸锌中三氧化二硼(B2O3)含量的新方法,即以溴甲酚绿甲基红混合指示剂来确定硼酸的滴定起点。
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