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The Effect of Temperature on the Ion Activity Product (Al) (OH)3 and its Relation to Lime Potential and Degree of Base Saturation
Author(s) -
Shah Singh S.
Publication year - 1972
Publication title -
soil science society of america journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.836
H-Index - 168
eISSN - 1435-0661
pISSN - 0361-5995
DOI - 10.2136/sssaj1972.03615995003600010010x
Subject(s) - lime , saturation (graph theory) , degree (music) , degree of saturation , base (topology) , chemistry , ion , thermodynamics , soil science , mineralogy , analytical chemistry (journal) , mathematics , materials science , environmental chemistry , metallurgy , environmental science , physics , soil water , organic chemistry , mathematical analysis , combinatorics , acoustics
Equations are derived for the relation between corrected lime potential (CLP) and degree of base saturation for temperatures 15, 25, and 35C. The effect of temperature on the activity of Al(OH) 3 in solution and on the exchange constant is discussed. It is shown that there is a significant effect of temperature on the relation between CLP and percent base saturation. The CLP values decreased 0.15 units on the average for an increase of 10C in clay and soil systems. It is also shown that experiments should be done at a constant temperature for calculating the degree of base saturation from the corrected lime potential.