PT - JOURNAL ARTICLE AU - C. W. Nagel AU - K. M. Weller TI - Colorimetric Determination of Urea in Wine AID - 10.5344/ajev.1989.40.2.143 DP - 1989 Jan 01 TA - American Journal of Enology and Viticulture PG - 143--144 VI - 40 IP - 2 4099 - http://www.ajevonline.org/content/40/2/143.short 4100 - http://www.ajevonline.org/content/40/2/143.full SO - Am J Enol Vitic.1989 Jan 01; 40 AB - A colorimetric method for the analysis of urea in wine and juices, capable of accurately estimating the urea content at concentrations as low as 1 mg/L, is described. Nitrogen compounds other than carbamido compounds do not interfere with the reaction.