GB 1903.49-2020: National food safety standard - Food Nutritional Fortification Substance - Zinc Citrate Trihydrate

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Scope

This Standard is applicable to food nutritional fortification substance - zinc citrate
trihydrate, which is obtained through chemical synthesis and refining with citric acid
and zinc oxide or zinc carbonate as the main raw materials.
2 Chemical Name, Molecular Formula, Structural
Formula and Relative Molecular Mass
2.1 Chemical Name
Zinc citrate trihydrate
2.2 Molecular Formula
C12H10O14Zn3  nH2O (n = 0, 2 or 3)
2.3 Structural Formula
2.4 Relative Molecular Mass
574.34 (anhydride) (in accordance with the international relative atomic mass of Year
2018)
610.37 (dihydrate) (in accordance with the international relative atomic mass of Year
2018)
628.38 (trihydrate) (in accordance with the international relative atomic mass of Year
2018)

Basic Data

Standard ID	GB 1903.49-2020 (GB1903.49-2020)
Description (Translated English)	National food safety standard - Food Nutritional Fortification Substance - Zinc Citrate Trihydrate
Sector / Industry	National Standard
Classification of Chinese Standard	X09
Word Count Estimation	10,159
Date of Issue	2020-09-11
Date of Implementation	2021-03-11
Regulation (derived from)	National Health Commission Announcement No. 7 (2020) of the State Administration for Market Regulation
Issuing agency(ies)	National Health Commission of the People's Republic of China, State Administration for Market Regulation