A Study of the Theories Regarding Soil Acidity
A Study of the Theories Regarding Soil Acidity
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Experiment 1 The object of this experiment was to see if an insoluble acid is analogous to an acid soil in its reaction, and to see if the factors affecting adsorption apply in the soil reaction.
In order to see if an insoluble acid is analogous to an acid soil in its reactions with salt solutions, stearic acid was treated with a half normal solution of potassium acetate. The reasons for selecting stearic acid were that it could be ob-> tained in a high state of purity, was a very insoluble aci...d and reacted toward litmus when in contact but gave an aqueous solu- tion that was neutral.
Gibbs^^^ has shown that in a two phase system consisting of a liquid and a solid any substeuace which will reduce the sur- Digitized by VjOOQIC Digitized by Google 7 faoe tension of the liquid will be adsorbed. Consequently If soil aoldlty Is due to adsorption an Increase In temperature should decrease the amount of adsorption, slnoe surface tension (3) decreases with a rise In teaaperature. Mlchaells^ has shown that adsorption varies with the surface tension of the solvent and that the variation Is In the same direction.
What to read after A Study of the Theories Regarding Soil Acidity?
You can find similar books in the "Read Also" column, or choose other free books by Pettis, Charles Semple to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Experiment 1 The object of this experiment was to see if an insoluble acid is analogous to an acid soil in its reaction, and to see if the factors affecting adsorption apply in the soil reaction.
In order to see if an insoluble acid is analogous to an acid soil in its reactions with salt solutions, stearic acid was treated with a half normal solution of potassium acetate. The reasons for selecting stearic acid were that it could be ob-> tained in a high state of purity, was a very insoluble aci...d and reacted toward litmus when in contact but gave an aqueous solu- tion that was neutral.
Gibbs^^^ has shown that in a two phase system consisting of a liquid and a solid any substeuace which will reduce the sur- Digitized by VjOOQIC Digitized by Google 7 faoe tension of the liquid will be adsorbed. Consequently If soil aoldlty Is due to adsorption an Increase In temperature should decrease the amount of adsorption, slnoe surface tension (3) decreases with a rise In teaaperature. Mlchaells^ has shown that adsorption varies with the surface tension of the solvent and that the variation Is In the same direction.
What to read after A Study of the Theories Regarding Soil Acidity?
You can find similar books in the "Read Also" column, or choose other free books by Pettis, Charles Semple to read onlineMoreLess
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