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应用化工, ISSN 1671-3206, 2017, Volume 46, Issue 9, pp. 1720 - 1727
TQ536.9; 以内蒙古赤峰某地褐煤为原料,分别采用氢氧化钾溶液、氢氧化钾与碳酸钾混合溶液两种提取液,进行了制备腐植酸钾的条件实验和正交实验,探究提取剂用量、固液比、热处理时间对腐植酸提取率的影响.结果表明,制备腐植酸钾的优化工艺条件为:在90℃下水浴1... 
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