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Effect of noncovalent bonds on the successive sequential extraction of Xianfeng lignite

✍ Scribed by Lei, Zhiping; Wu, Lian; Zhang, Yanqiu; Shui, Hengfu; Wang, Zhicai; Ren, Shibiao

Book ID
123083410
Publisher
Elsevier Science
Year
2013
Tongue
English
Weight
757 KB
Volume
111
Category
Article
ISSN
0378-3820

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A humic fertilizer containing humic and fulvic acids was extracted from lignite. The effects of the extractants on the yield of extraction and on the characteristics of humic acids were investigated. The following extractants were used: ~1, 0"25, 0"5 and 1"0 M KOH and ~1 M NaOH. Acid pretreatments