Listar Química por procedencia "UCR::Vicerrectoría de Docencia::Ciencias Agroalimentarias::Facultad de Ciencias Agroalimentarias::Escuela de Agronomía"

Mostrando ítems 1-3 de 3

    • Análisis de residuos de plomo en repollo de Costa Rica 

      Mora Alfaro, Luis Enrique; Carazo Rojas, Elizabeth; Fuentes González, Gilbert; Constenla Umaña, Manuel Arturo; Rodríguez M., Leonor (1984)
      Lead residues analysis in cabbage. Cabbage and soil samples from the main cabbage growing areas of Costa Rica were analyzed for lead residues. Lead residues result from the use of lead arseniate as an insecticide and ...

    • Residuos de insecticidas organofosforados en repollo (Brassica oleracea var. capitata) 

      Carazo Rojas, Elizabeth; Fuentes González, Gilbert; Constenla Umaña, Manuel Arturo (1976)
      Pesticide residues from organophosphorus insecticides were determined colorimetrically in cabbage (Brassica oleracea var. capitata) var. "Golden Acre", ready for shipment to the market. The cabbage studied came from Palmira ...

    • Studies of methamidophos-C-14 in Costa Rican vegetables and soils 

      Carazo Rojas, Elizabeth; Constenla Umaña, Manuel Arturo; Fuentes González, Gilbert; Moza, Pran Nath (1984)
      In order to see the effect of time lapse between the last application of methamidophos and harvesting insecticide was applied on lettuce plants (6,84 μCi in one experiment and 4,03 μCi in the other experiment). Analysis ...