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蜡通常是白色、无味的蜡状固体,在47°C-64°C熔化,密度约0.9g/cm3,溶于汽油、二硫化碳、二甲苯、苯、氯仿、四.
2023
随着科技的不断发展,许多实验室和工业生产环境中需要对酸碱溶液的浓度进行实时监测。传统的测量方法往往繁琐.
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