Resumen
ISO 19334:2006 specifies a gas-chromatographic method for determining the amounts of certain rosin acids in gum rosin using capillary gas-chromatographic separation of the volatile methyl esters of these acids. It intended primarily to permit the identification of gum rosin from specific species of pine trees. It is not designed for the quantitative analysis of gum rosin.
Ciclo de vida
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Ahora
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Revisada por
PublicadoISO 19334:2010
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