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Bromobenzene Magnesium
制溴苯镁之法
今有制溴苯镁之法。先取溴苯适量,置于洁净之反应容器中。又备镁屑,其质须纯。将镁屑缓缓加入盛有溴苯之器,动作宜缓,以防反应过剧。
其间,反应环境颇为紧要,务使处于无水无氧之态。盖水与氧皆可扰此反应,致其难成或生杂质。
反应之际,或有热量释出,需善加调控温度,不可令其过高或过低。过高则反应失控,过低则速率过缓。
待反应完全,可得溴苯镁产物。后以适宜之法分离、提纯,去除杂质,方得纯净之溴苯镁。此为制溴苯镁大略之法也。
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