This part of GB/T 13025 specifies the method for the determination of iodine in iodized edible salt. The direct titration method in this part is applicable to the determination of iodine in iodized edible salt added with iodate; the redox titration method is applicable to the determination of iodine in iodized edible salt added with iodide or containing reducing substances; the photometric method is applicable to the determination of iodine in iodized edible salt rapid determination.
GB/T 13025.7-2012 Referenced Document
GB/T 6682-2008 Water for analytical laboratory use.Specification and test methods
GB/T 13025.7-2012 history
2012GB/T 13025.7-2012 General test method in salt industry.Determination of iodine
1991GB/T 13025.7-1991 Determination of iodide ion general test method for salt industry