Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Amorphous_silica-alumina> ?p ?o }
Showing triples 1 to 45 of
45
with 100 triples per page.
- Amorphous_silica-alumina abstract "Amorphous silica alumina is a synthetic substance that is used as a catalyst or catalyst support. It can be prepared in a number of ways for example: Precipitation of hydrous alumina onto amorphous silica hydrogel Reacting a silica sol with an alumina sol Coprecipitation from sodium silicate / aluminium salt solutionWater-soluble contaminants, e.g. sodium salts, are removed by washing.Some of the alumina is present in tetrahedral coordination as shown by NMR studies 29Si MASNMR and 27Al NMR Amorphous silica-alumina contains sites which are termed Brønsted acid (or protic) sites, with an ionizable hydrogen atom, and Lewis acid (aprotic), electron accepting sites and these different types of acidic site can be distinguished by the ways in which, say, pyridine attaches. On Lewis acid sites it forms complexes and on the Brønsted sites it adsorbs as the pyridinium ion.Examples of processes that use silica-alumina catalysts are the production of pyridine from crotonaldehyde, formaldehyde, steam, air and ammonia and the cracking of hydrocarbons,".
- Amorphous_silica-alumina wikiPageID "21117094".
- Amorphous_silica-alumina wikiPageLength "2274".
- Amorphous_silica-alumina wikiPageOutDegree "18".
- Amorphous_silica-alumina wikiPageRevisionID "672280465".
- Amorphous_silica-alumina wikiPageWikiLink Alumina.
- Amorphous_silica-alumina wikiPageWikiLink Aluminium_oxide.
- Amorphous_silica-alumina wikiPageWikiLink Ammonia.
- Amorphous_silica-alumina wikiPageWikiLink Amorphous_silica.
- Amorphous_silica-alumina wikiPageWikiLink Brønsted_acid.
- Amorphous_silica-alumina wikiPageWikiLink Brønsted–Lowry_acid–base_theory.
- Amorphous_silica-alumina wikiPageWikiLink Category:Catalysis.
- Amorphous_silica-alumina wikiPageWikiLink Category:Inorganic_silicon_compounds.
- Amorphous_silica-alumina wikiPageWikiLink Crotonaldehyde.
- Amorphous_silica-alumina wikiPageWikiLink Formaldehyde.
- Amorphous_silica-alumina wikiPageWikiLink Gel.
- Amorphous_silica-alumina wikiPageWikiLink Hydrogel.
- Amorphous_silica-alumina wikiPageWikiLink Lewis_acid.
- Amorphous_silica-alumina wikiPageWikiLink Lewis_acids_and_bases.
- Amorphous_silica-alumina wikiPageWikiLink Magic_angle_spinning.
- Amorphous_silica-alumina wikiPageWikiLink Pyridine.
- Amorphous_silica-alumina wikiPageWikiLink Pyridinium.
- Amorphous_silica-alumina wikiPageWikiLink Silicon_dioxide.
- Amorphous_silica-alumina wikiPageWikiLink Sodium_silicate.
- Amorphous_silica-alumina wikiPageWikiLink Sol_(colloid).
- Amorphous_silica-alumina wikiPageWikiLink Solid-state_NMR.
- Amorphous_silica-alumina wikiPageWikiLink Solid-state_nuclear_magnetic_resonance.
- Amorphous_silica-alumina wikiPageWikiLinkText "amorphous silica-alumina".
- Amorphous_silica-alumina wikiPageWikiLinkText "silica-alumina".
- Amorphous_silica-alumina hasPhotoCollection Amorphous_silica-alumina.
- Amorphous_silica-alumina wikiPageUsesTemplate Template:Reflist.
- Amorphous_silica-alumina subject Category:Catalysis.
- Amorphous_silica-alumina subject Category:Inorganic_silicon_compounds.
- Amorphous_silica-alumina hypernym Substance.
- Amorphous_silica-alumina type ChemicalCompound.
- Amorphous_silica-alumina type Process.
- Amorphous_silica-alumina type Reaction.
- Amorphous_silica-alumina comment "Amorphous silica alumina is a synthetic substance that is used as a catalyst or catalyst support. It can be prepared in a number of ways for example: Precipitation of hydrous alumina onto amorphous silica hydrogel Reacting a silica sol with an alumina sol Coprecipitation from sodium silicate / aluminium salt solutionWater-soluble contaminants, e.g.".
- Amorphous_silica-alumina label "Amorphous silica-alumina".
- Amorphous_silica-alumina sameAs Aluminiumsilicaat.
- Amorphous_silica-alumina sameAs m.05b_wyz.
- Amorphous_silica-alumina sameAs Q2115367.
- Amorphous_silica-alumina sameAs Q2115367.
- Amorphous_silica-alumina wasDerivedFrom Amorphous_silica-alumina?oldid=672280465.
- Amorphous_silica-alumina isPrimaryTopicOf Amorphous_silica-alumina.