General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB 25579-2010
Scope
This standard is applicable to the food additive zinc sulfate prepared from sulfuric acid or zinc oxide (or zinc hydroxide), or the food additive zinc sulfate obtained from sphalerite roasted, then sulfuric acid leached and refined.
GB 25579-2010 history
2010GB 25579-2010 National Food Safety Standard Food Additive Zinc Sulfate