Effects of citric acid washing on the thermodynamic interaction of some coals with acids
β Scribed by Tanweer Ahsan; Jason H. Wu; Edward M. Arnett
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 823 KB
- Volume
- 73
- Category
- Article
- ISSN
- 0016-2361
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π SIMILAR VOLUMES
The hydration of portland cement in presence of citric acid has been investigated. The results indicate that O.l% citric acid accelerates whereas too high a dose (> 0.1%) of citric acid retards the hydration. Electrical conductivity measurements of the paste indicate that in the presence of citric a
## Abstract The retention diagrams of __n__βoctane, __n__βnonane, __n__βdecane, __n__βbutyl acetate, isobutyl acetate, and isoamyl acetate on the polyarylate Ardel Dβ100, a copolyester of bisphenol A with terephthalic acid and isophthalic acid, were plotted at temperatures between 120 and 260Β°C by