𝔖 Bobbio Scriptorium
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139. Surface hydroxyl groups in carbon blacks

✍ Scribed by P.H. Given; Loren W. Hill

Publisher
Elsevier Science
Year
1964
Tongue
English
Weight
131 KB
Volume
1
Category
Article
ISSN
0008-6223

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πŸ“œ SIMILAR VOLUMES

Analysis of surface groups on carbon bla
Analysis of surface groups on carbon blacks
✍ P.H. Given; L.W. Hill πŸ“‚ Article πŸ“… 1969 πŸ› Elsevier Science 🌐 English βš– 895 KB

Surface oxygen groups on carbon blacks were analyzed by several new techniques and some methods used previously were re-examined. Phenolic hydroxyl groups were converted to their acetate ester derivatives using radioactively labeled acetic anhydride in pyridine at 90Β°C. The drop in count rate on hyd

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Three methods were employed to introduce sulfur groups (thiol and thio ester groups) onto the surface of a carbon black. Positive results were obtained and controled by functional group analysis and radiochemistry.

Studies in surface chemistry of carbon b
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The chlorination of carbon blacks at the optimum temperature of 450" results in fixation of chlorine and formation of hydrogen chloride, the amount depending to some extent, upon the hydrogen content. A part of the chlorine appears to be fixed by addition at the unsaturated sites and the rest by sub

Studies in surface chemistry of carbon b
Studies in surface chemistry of carbon blacks part III. Interaction of carbon blacks and aqueous bromine
✍ Balwant Rai Puri; R.C. Bansal πŸ“‚ Article πŸ“… 1966 πŸ› Elsevier Science 🌐 English βš– 501 KB

## AM-Interaction of carbon black and aqueous bromine involve8 conversion of the halogen into hydrobromic Acid a8 well a8 chemkorption or "iixation" by the carbon black. The amount converted varies with surface acidity of the black while the amount fixed varies with the amount of CO,-complex elimi