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30. Contribution a l'étude des groupes chimiques en surface des noirs de carbone

✍ Scribed by E. Papirer; E. Guyon; J.B. Donnet

Publisher
Elsevier Science
Year
1976
Tongue
English
Weight
166 KB
Volume
14
Category
Article
ISSN
0008-6223

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Contribution a l'etude des groupements s
Contribution a l'etude des groupements superficiels des noirs de carbone a l'aide de reactifs gazeux: Evolution de l'acidité superficielle du sphéron 6 au cours de traitements thermiques
✍ M. Bastick; G. Dupupet; M. Morlot; J.M. Perrot; J. Weber 📂 Article 📅 1977 🏛 Elsevier Science 🌐 English ⚖ 892 KB

The Spheron 6 surface acidity has been investigated by adsorption of ammonia at 70°C and microcalorimetry. The carbon samples are degassed at temperatures up to 950°C. The effects of degassing temperature on the adsorption isotherms of ammonia are shown in Fig. 2. Up to 350°C the isotherms are chara