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- W3649807 abstract "Formic, phosphoric and nitric acids were used for hydrolysis of the commercially available hydrolysis product of chrome shavings Hykol-E. The aim of the work was to prepare low-molecular weight product (Mw < 5000 g.mol-1) to be used as the plant biostimulator. The course of hydrolysis was monitored by following the changes of molecular weight (MW) and molecular weight distribution (MWD) determined by gel permeation chromatography (GPC). The study demonstrated that MW and MWD of hydrolysates are influenced by the choice of hydrolysing acid, its concentration as well as by the time of acid treatment. Using the combination of enzymatic and acid hydrolysis, it is possible to prepare products with the tailor-made, pre-defined molecular weight fitting the intended use. RESUMENLos acidos formico, fosforico y nitrico se utilizaron para la hidrolisis del producto disponible comercialmente de virutas de cromo, Hykol-E. El objetivo del trabajo fue preparar un producto de bajo peso molecular (Mw < 5000 g.mol-1) para ser utilizado como un bio-estimulador para plantas. El transcurso de la hidrolisis fue supervisado siguiendo los cambios en el peso molecular (MW) y la distribucion del peso molecular (MWD), determinado por cromatografia de permeacion de gel (GPC). El estudio demostro que el MW y la MWD de los hidrolizados se ven influidos por la eleccion del acido utilizado en la hidrolisis, su concentracion, asi como por el tiempo del tratamiento. Utilizando una combinacion de la hidrolisis enzimatica y la acida, es posible preparar productos hechos a la medida, definiendo previamente su peso molecular mas adecuado al uso previsto." @default.
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- W3649807 date "2009-02-01" @default.
- W3649807 modified "2023-09-24" @default.
- W3649807 title "CHARACTERIZATION OF LOW-MOLECULAR WEIGHT COLLAGEN HYDROLYSATES PREPARED BY COMBINATION OF ENZYMATIC AND ACID HYDROLYSIS" @default.
- W3649807 hasPublicationYear "2009" @default.
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