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ADSORPTION AT CRYSTAL‐SOLUTION INTERFACES
Author(s) -
Keenen F. G.,
France W. G.
Publication year - 1927
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1927.tb18475.x
Subject(s) - alum , adsorption , crystal growth , gelatin , potassium , chemistry , crystal (programming language) , ionic bonding , crystal habit , potassium sulfate , chemical engineering , inorganic chemistry , mineralogy , crystallography , crystallization , ion , organic chemistry , computer science , programming language , engineering
The present work is a continuation of the study of adsorption processes at solution‐crystal interfaces. It consists of an investigation of the adsorption of dyes and gelatin by the various faces of potassium alum. The growth ratios of this alum were measured both in the presence and absence of the dyes and gelatin. It was found that Bismarck Brown and Diamine Sky Blue greatly affected the growth rates of the cube faces and also modified the crystal habit. This effect is explained on the basis of the ionic structure of the faces and the presence of polar groups in the dyes. The growth ratio V 100 /V 111 for pure potassium alum was found to be 1.61.