Charcoaling in heaps 堆积制炭法
The best condition on decolorization with activated charcoal is, 40 minutes, the temperature of water is 80℃, the weight of activated charcoal is 3g, the number of times in decolorization is 2.
3．活性碳脱色最佳条件：时间为40分钟，水温80℃，活性碳量3g，脱色两次，能达到最佳脱色效果。
参考来源 - 紫草抗人乳头瘤病毒的作用物质研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
N-UNCOUNT Charcoal is a black substance obtained by burning wood without much air. It can be burned as a fuel, and small sticks of it are used for drawing. 木炭
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