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   An automated colorimetric method for the determination of dicyandiamide in 1.0 M KCI soil extracts

   Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D.C. Pretorius --- , Republic of South Africa J.F. van Staden --- Department of Chemistry, Republic of South Africa A. D.P. Botha --- , Republic of South Africa C. Kolver --- , Republic of South Africa

   The nitrification inhibitor dicyandiamide (cyanoguanidine, didin or DCD) reacts with 1-naphthol and diacetyl to form a red complex which measures spectrophotometrically at 540 nm. An automated analytical procedure was developed to determine DCD in soils extracted with 1.0 M KCI...

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