Selenium rich tea detection

This standard specifies the terms and definitions, requirements, test methods, inspection rules, marking, packaging, transportation, and storage requirements of selenium rich tea. This standard is applicable to selenium rich tea produced and sold within the scope of the People's Republic of China. 2 Normative References: The clauses in the following documents become clauses of this standard through reference in this standard. For dated references, all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. However, it is encouraged for all parties who have reached agreements based on this standard to investigate whether the latest versions of these documents can be used. For undated references, the latest version applies to this standard GB/T 191 Packaging, Storage and Transportation Graphical Symbols CB/T5009.12 Methods for the Determination of Lead in Foods CB/T 5009.13 Methods for the Determination of Copper in Foods GB/T 5009.19 Methods for the Determination of Hexachlorocyclohexane in Foods Method for the Determination of DDT Residues GB/T 5009.20 Method for the Determination of Organophosphorus Pesticide Residues in Food GB7718 General Food Labeling Standard GB/T 8302 Tea Sampling GB/T 8304 Tea Moisture Determination GB/T 8306 Tea Total Ash Content GB/T 8311 Tea Powder and Fragmented Tea Content GB/T 11680 Hygienic Standard for Food Packaging Paper GB/T 12399 Determination of Selenium in Food GB 14876 Method for the Determination of Methamidophos and Acetylmethamidophos Pesticide Residues in Food GB/T 17332 The determination of multiple residues of organochlorine and pyrethroid pesticides NY 5017 pollution-free food tea 3. The following terms and definitions apply to this standard. Selenium rich tea is a tea that grows on the soil of selenium rich areas and is processed from the buds, leaves, and tender stems of tea tree shoots. It can be consumed directly and has a selenium content within the range specified in this standard

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