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The Determination of Sodium by Precipitation as the Triple Salt Sodium Uranyl-Magnesium Acetate

Published online by Cambridge University Press:  27 March 2009

C. S. Piper
C. S. Piper
Affiliation:
(Waite Agricultural Research Institute, University of Adelaide.)
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Extract

The determination of sodium by Barber and Kolthoff's and Kahane's methods has been investigated with special reference to their suitability for the determination of exchangeable sodium in soils. Bray's modification of Barber and Kolthoff's method, involving 48 hours’ standing, was found to give a poor separation from even small amounts of potassium salts, leading to high results for sodium. Kahane's method was more convenient and gave very satisfactory results, precipitation being complete in 30 min. It is a great improvement on the older classical methods which involve the separation and weighing of sodium and potassium chlorides.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 22 , Issue 3 , July 1932 , pp. 676 - 687
Copyright
Copyright © Cambridge University Press 1932

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References

REFERENCES

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