A micromodification of Archibald's colorimetric determination of urea; a rapid production of a linear reproducible color by heating a strongly acid solution of urea and alpha-iso-nitrosopropiophenone at increased pressure.
D000143:Acids; D003116:Color; D003124:Colorimetry; D006361:Heating; D012996:Solutions; D014508:Urea / Q000032:analysis*
D000143:Acids; D012996:Solutions; D014508:Urea
UREA/determination