GB/T 13738.2-1992 The second set of broken black tea

GB/T 13738.4-1992 The fourth set of broken black tea

GB/T 13738.1-2008 Black tea—Part 1:Broken black tea

GB 9679 GB 6004 GB/T 8302-2002 Tea—Sampling GB/T 8302-2013 Tea—Sampling GB/T 8303-2002 Tea—Preparation of ground sample and determination of dry matter content GB/T 8303-2013 Tea—Preparation of ground sample and determination of dry matter content GB/T 8304-2002 Tea—Determination of moisture content GB/T 8304-2013 Tea—Determination of moisture content GB/T 8305-2002 Tea—Determination of water extracts content GB/T 8305-2013 Tea—Determination of water extracts content GB/T 8306-2002 Tea—Determination of total ash content GB/T 8306-2013 Tea—Determination of total ash content GB/T 8307-2002 Tea—Determination of water-soluble ash and water-insoluble ash content GB/T 8307-2013 Tea—Determination of water-soluble ash and water-insoluble ash content GB/T 8308-2002 Tea—Determination of acid-insotuble ash content GB/T 8308-2013 Tea—Determination of acid-insoluble ash content GB/T 8310-2002 Tea—Determination of crude fibre content GB/T 8310-2013 Tea—Determination of crude fibre content GB/T 8311-2002 Tea—Determination of dust and broken tea content GB/T 8311-2013 Tea—Determination of dust and broken content GB/T 5009.57-2003 Method for analysis of hygienic standard of tea GB 7718-1994 General standard for the labelling of foods GB 7718-2004 General standard for the labeling of prepackaged foods GB 7718-2011 Food Safety National Standards Prepackaged Food Label General Rules GB 7718-2025 National standard for food safety: General rules for labeling of prepackaged foods

ISO 3720