Transcription of ISO Standards for Tea - FAO
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1 ISO Standards for TeaIntergovernmental Group-on Tea10thSessionNew Dehli, 12-14 May 2010 Andrew Scott, Chairman ISO TC/34 SC 8 Tea23 Over3milliontonnesproducedInover30countr iesProvidingover1000billioncupsofteaTea4 International Standards are vital to facilitate international tradeTo ensure consumer expectations are metTo provide guidance and common understanding of Good Manufacturing practices via compositional specificationsTo provide validated methods of analysisInternational Standards for Tea51970 s-TeaCommitteebecameISOW orkingGroup8-ISOT echnicalCommittee34 Sub-committee8 Tea1977-ISO3720
ISO Black tea 1 – 8.93% on dry matter basis Black tea 2 – 6.81% on dry matter basis Green tea 1 – 12.14% on dry matter basis Green tea 2 – 14.78% on dry matter basis Within laboratory repeatability of the analysis is good (9) Between laboratory reproducibility has larger variation but this is to measure 5 constituents (9) Measuring ...
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