The composition of lignite humic acids
- 1 May 1993
- Vol. 72 (5) , 681-684
- https://doi.org/10.1016/0016-2361(93)90581-l
Abstract
No abstract availableKeywords
This publication has 7 references indexed in Scilit:
- Structural changes in humic acids during the coalification processFuel, 1985
- Determination of carboxyl groups in low-rank coalsFuel, 1984
- Low-molecular-weight fractions of Bulgarian lignite humic acidsFuel, 1981
- Humic acids from lignite. 1. Analytical characteristics and thermal degradationFuel, 1975
- Quinoid groups in humic acidsGeoderma, 1974
- Determination of the total acidity of low-rank coalsFuel, 1970
- Carboxyl groups and ion exchange in low-rank coalsFuel, 1970