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KCL Extractable Aluminum

Fertility: AL-KCL

Summary

This method is semi-quantitative and determines the amount of 1N KCl extractable aluminum in soil. Aluminum concentration is determined in the extract by Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES). The method has a detection limit of approximately 1.0 mg/kg.

Gavlak, R., Horneck, D., Miller, R. O., Kotuby-Amacher, J. 2003. Soil, Plant and Water Reference Methods for the Western Region. p.134-135.