GB 1903.34-2018National food safety standard -- Food nutrition enhancer zinc chloride (English PDF)

GB 1903.34-2018 is the English-translated version of 食品安全国家标准 食品营养强化剂 氯化锌.

GB 1903.34-2018 is the Chinese national food safety standard for the food nutrition enhancer zinc chloride. It applies to the substance prepared by reacting zinc chloride or zinc ingot with hydrochloric acid.

The standard gives the molecular formula ZnCl2 and the relative molecular mass 136.30, taken from the 2016 international relative atomic masses.

It then sets the technical requirements: the sensory requirements of Table 1, a white or off-white deliquescent crystalline powder or granule seen in a beaker under natural light, and the physical and chemical indicators of Table 2, which fix a content on a dry basis of 95.0 to 100.5 percent, a pH of 5.0 to 6.5 and a loss on drying of at most 5.0 percent, by the methods of Appendix A. It was issued on 21 June 2018 and has applied since 21 December 2018.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.

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