ISO 9768:1994 Preview

Tea -- Determination of water extract

The principle of the method specified is extraction of soluble matter from a test portion by boiling water under reflux, filtration, washing, drying and weighing of the hot-water-insoluble residue, calculation of the water extract.


General information

  • Status :  Published
    Publication date : 1994-07
  • Edition : 2
    Number of pages : 3
  • :
    ISO/TC 34/SC 8
    Tea
  • 67.140.10
    Tea

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