Title

An improved analytical procedure for determination of total actual acidity (TAA) in acid sulfate soils

Document Type

Article

Publication details

Lin, C, O'Brien, K, Lancaster, G, Sullivan, LA &, McConchie D 2001, 'An improved analytical procedure for determination of total actual acidity (TAA) in acid sulfate soils', Science of The Total Environment, vol. 262, no. 1-2, pp. 57-61.

Abstract

An improved analytical procedure is proposed for the determination of total actual acidity (TAA) in acid sulfate soils. The proposed method involves the use of a superior extracting solution, 0.5 M BaCl2, instead of the 1 M NaCl used by Konsten et al. (Konsten CJM, Brinkman R, Andriesse W. A field laboratory method to determine total potential and actual acidity in acid sulfate soils. In: Dost H, editor. Selected papers of the Dakar Symposium on Acid Sulfate Soils. Wageningen: ILRI Publication 44, 1988:106–134.) and improved experimental design to obtain correction factors for calculating TAA. The introduction of a multi-choice procedure also enables increased accuracy of analytical results to be obtained if more accurate TAA estimation is required.

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