In this paper, the method of directly synthesizing hexabromobenzene with benzene and bromine was discussed.
讨论了利用苯直接溴代合成阻燃剂六溴苯的方法。
A new way is proposed to determine the content of bromine in reacting flame retardant containing bromine. This method is proved to be easy and of high precision.
采用一种新方法测定了反应型含溴阻燃剂中溴的含量。实验证明,该方法简单易行,且精密度较高。
By measuring the pressure, saturated solution of potassium bromide bromine absorption method, the smell test and other methods, the mixture can be identified more quickly.
通过测定压力、溴化钾的溴饱和溶液吸收法、气味试验等方法可以较快地进行鉴别。
The bromine extraction processes by air blow-out method from seawater and brine have been widely used at home and abroad.
以浓海水(卤水)为原料的空气吹出法制溴素工艺已在国内外广泛使用。
The bromine extraction processes by air blow-out method from seawater and brine have been widely used at home and abroad.
以浓海水(卤水)为原料的空气吹出法制溴素工艺已在国内外广泛使用。
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