COLLABORATIVE STUDY OF OFFICIAL AOAC METHOD FOR DETERMINATION OF BIURET IN FERTILIZERS - COROMINAS, LF (GUANOS & FERTILIZANTES MEXICO SA,MORENA NUM 804,12-1164 MEXICO CITY 12,MEXICO, 1974)
J ASSO OFFIC ANAL CHEM
Keywords: COLLABORATIVE STUDY, OFFICIAL AOAC METHOD, DETERMINATION, BIURET, FERTILIZERS; QUIMICA; ANALITICA; ANALISIS QUIMICO