Browsing by Author "Lastra Cabezas, Olga"
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Lastra Cabezas, Olga (AOAC INTERNATIONAL, 2003-11)A derivative spectrophotometric method was developed to determine NO3--N in plant tissues. The method is based on measurement of the first-derivative spectrum of nitrosalicylic acid in basic solution. The nitrosalicylic ...
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Pacheco Estay, Lorena Andrea (Universidad de Chile, 2009)Se estudia la nutrición mineral en manzanas libres y afectadas por bitter pit, de las variedades: Fuji Royal, Granny Smith y Fuji. Los elementos esenciales determinados, en cáscara y pulpa, son: Cu, Zn, Fe, Mn, Ca, Mg, ...