The determination ofm - cresol content by brominating volumetric method was investigated.
探討了 間甲酚 含量的容量分析方法.
互聯(lián)網(wǎng)
With C 9 petroleum resin and bromine as materials , a brominating C 9 petroleum resin was synthesized.
用C9石油樹脂和溴素反應制備了溴化石油樹脂,探討了最佳溴化反應條件.
互聯(lián)網(wǎng)