This standard specifies the index requirements for edible salt, food additives, nutritional fortifiers, hygienic requirements and inspection methods during production and processing. This standard applies to processed edible salts obtained from seawater, underground rock (mineral) salt deposits, and natural brine (salt) water, with sodium chloride as the main component, and does not apply to low-sodium salts.
GB 2721-2003 history
2015GB 2721-2015 National Food Safety Standard Edible Salt
2003GB 2721-2003 Hygienic standard for food grade salt