Abstract
ALUMINIUM hydroxide is readily adsorbed by kieselguhr to form an adsorption complex which is remarkably stable. The hydroxide is deposited by the slow addition of a small excess of ammonia to a de-aerated suspension of 10 gm. of specially purified Superfloss kieselguhr in 100 c.c. of 2 per cent ammonium nitrate solution containing a known amount of aluminium nitrate, the suspension being vigorously stirred. The curve (Fig. 1) shows the relation between the value of the preparations in N/10 acetic acid and the amount of aluminium hydroxide adsorbed by 100 gm. of kieselguhr.
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References
Physica, 1, 753, 935, 953, 960; 1934.
B. A. Report, 1928, p. 35.
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BALY, E., PEPPER, W. Adsorption of Aluminium Hydroxide by Kieselguhr. Nature 136, 28 (1935). https://doi.org/10.1038/136028a0
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DOI: https://doi.org/10.1038/136028a0
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