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A modified test for sour soils
Published online by Cambridge University Press: 27 March 2009
Extract
It was recently suggested by the writer that the neutral salt test for sourness in soils could be adapted for rapid qualitative purposes by using an alcoholic solution of potassium thiocyanate. This reagent becomes coloured in contact with soils deficient in strong bases, because of the presence of iron among the weak bases which are brought into solution from such soils by neutral salts.
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- Research Article
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- Copyright © Cambridge University Press 1922
References
1 This Journal, 1920, 10.Google Scholar
2 Carr, , Journ. Ind. Eng. Chem. 1921, 13, No. 10.Google Scholar