Zur Adsorption von Kalium an Wolfram

Knauer, Friedrich; Kühl, Walter

doi:10.1007/bf00630741

Cited by 2 publications

(2 citation statements)

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“…Quite a few studies on particular chemisorption systems on metallic and other adsorbents were discussed in addition to the catalytic studies mentioned above. These included: oxygen on silver (51), platinum (172), copper (2), carbon (96), and tungsten (221); hydrogen on zinc-molybdenum oxides (264), platinum (111), copper (173), iron (265), nickel (219,273), palladium (284), and tungsten (221); ethylene and acetylene on nickel (219); carbon dioxide on nickel (76); and potassium on tungsten (182).…”

Section: Liquid Phase Adsorptionmentioning

confidence: 99%

“…A number of studies yielded data on adsorption heats for a variety of systems. These included polar gases on proteins (22), radon (182), and benzene (86) on activated charcoal and silica gel, water vapor on oxide gels (222), oxygen on magnesium chromite (208), and ammonia, phosphine, and arsine on charcoal (18). Heats of adsorption and other thermodynamic functions of adsorbed molecules were discussed by Hill and Kemball (146) from the standpoint of surface tension measurements, and by Kemball and Schreiner (177) on the basis of the B.E.T.…”

Section: Thermochemistry Of Adsorptionmentioning

confidence: 99%

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Adsorption

Harris¹

1953

Ind. Eng. Chem.

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Recently interest has turned to the study of adsorption of mixed gases and the resolution of such mixtures. This interest was extended into analogous liquid phase systems; and commercial applications of both fields have been made. There has been a decrease in interest in chromatographic studies as compared to the recent past. * Adsorption of ions from solution by solids is at times interrelated with ion exchange, elsewhere discussed. However, adsorption can and does occur alone in some cases and simultaneously with ion exchange in others. Venturello and Burdese (298) found that alumina adsorbed cupric ions in part reversibly and that the irreversible amount increased with time of con-Vol. 45, No. 1 tact. The role of anions in cation exchange media was discussed by ICantor and coworkers (174).

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Section: Liquid Phase Adsorptionmentioning

confidence: 99%

Section: Thermochemistry Of Adsorptionmentioning

confidence: 99%

Adsorption

Harris¹

1953

Ind. Eng. Chem.

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Über Oberflächenionisation und Oberflächendiffusion von Kalium auf Wolfram

Popp

1964

Annalen der Physik

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Inhaltsii bersichtEs wird eiiie ioiieiiiiiikrosliopische 3Iethode beschrieben. tlie es gestattet, die 0berflacheiin.aiiderung vuii Allialinietalleii auf Wolfram (oder atidereii Metallen) h i hoheren Temperatiireii (ti00 . . . 900 OK) zix imtersucheii. Voraussctzung fur tlas beschricbciie Verfahreii ist die Moglichkeit, die adsorbierteii Teilcheii (lurch L a r i g m u i r -Effekt an der OberflBche z i i ionisiereii. Es wird tieshalb im theoretischeii Teil eiiie Reihe voii Beziehungeii zusammeiigestellt zwischeii Oberflachenioiiisation uiid Adsorptions-bzw. Desorptioiisvorgaiigeii bei niedrigem und hohcrem Bedecliungsgrad. Diese werdeii daiiri auf die Beschreibuiig der Oberflachendiffusioii angewaiidt. I m experimeiitelleii Teil werdeii die mittlere Verweilzeit unct tlie I)iffiisioiiskoiistaiit~ voii Kalium auf oxpdiertem. polykristalliiiem \Frulfrani in A1)haiigigkeit ~0 1 1 dcr Temperatiir untersucht.1 2 ) I T e g m der Definition des Bedeckungsgrades s. 8. 1%. 13) J. -1. R e e k e r , P h p i c . Rev. 2SA, 341 (1926).

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Zur Adsorption von Kalium an Wolfram

Cited by 2 publications

References 4 publications

Adsorption

Adsorption

Über Oberflächenionisation und Oberflächendiffusion von Kalium auf Wolfram

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