Studies on the Characteristics of Humic Acid and its Utilizations. (II) Characteristics of humic acid (Molecular weight, molecular and rational formula. Structure) (土炭흄酸의 性狀및 應用에 關한 硏究 (第 2 報) 흄酸의 性狀)
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- Journal of the Korean Chemical Society
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- v.13 no.1
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- pp.56-61
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- 1969