GB/T 5009.57-2003 Analytical methods for tea hygiene standards

This standard specifies the analysis methods for various hygienic indicators of various types of tea, such as green tea, black tea, and compressed tea. This standard is applicable to the analysis of various hygienic indicators of various types of tea, such as green tea, black tea, and compressed tea. GB/T 5009.57-2003 Analysis methods for tea hygiene standards GB/T5009.57-2003 standard download decompression password: www.bzxz.net

ICS67.040
National Standard of the People's Republic of China
GB/T5009.57—2003
Replaces GB/T5009.57—1996
Method for analysis of hygienic standard of tea
Promulgated on 2003-08-11
Ministry of Health of the People's Republic of China
Standardization Administration of China
Implementation on 2004-01-01
GB/T5009.57—2003
This standard replaces GB/T5009.57-1996 "Method for analysis of hygienic standard of tea". Compared with GB/T5009.57-1996, this standard has been modified as follows: The structure of the original standard has been modified in accordance with GB/T20001.4-2001 "Standard Writing Rules Part 4: Chemical Analysis Methods".
This standard is proposed and managed by the Ministry of Health of the People's Republic of China. This standard was drafted by the Anhui Provincial Health and Epidemic Prevention Station and the Zhejiang Provincial Health and Epidemic Prevention Station. This standard was first issued in 1985 and revised for the first time in 1996. This is the second revision. 460
1 Scope
Analysis methods for tea hygiene standards
This standard specifies the analysis methods for various hygiene indicators in various types of tea, such as green tea, black tea, and compressed tea. This standard is applicable to the analysis of various hygiene indicators in various types of tea, such as green tea, black tea, and compressed tea. 2 Normative references
GB/T5009.57-2003
The clauses in the following documents become the clauses of this standard through reference in this standard. For any dated referenced document, all subsequent amendments (excluding errata) or revisions are not applicable to this standard. However, parties to an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For any undated referenced document, the latest version shall apply to this standard. GB9679 Tea Hygiene Standard
GB/T5009.11 Determination of total arsenic and inorganic arsenic in food GB/T5009.12 Determination of lead in food
GB/T5009.13 Determination of copper in food
GB/T5009.15 Determination of 666 and DDT residues in food GB/T5009.176
Determination of dicofol residues in tea, fruit and edible vegetable oil 3 Sensory inspection
3.1 It shall have the normal commodity appearance and inherent color, aroma and taste of the tea. 3.2 It shall not be mixed with foreign plant leaves and shall not contain non-tea substances. 3.3 No peculiar smell, no peculiar odor, no mildew.
Should meet the requirements of GB9679.
4 Physical and chemical inspection
According to GB/T5009.11.
According to GB/T5009.12.
According to GB/T5009.13. bzxZ.net
4.4 666, DDT
According to GB/T5009.19.
4.5 Dicofol
According to GB/T5009.176.
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