1 Scope
This part of GB/T 13025 specifies the determination method for iodine in iodized edible salt.
In this part, direct titrimetric method is applicable to determination of iodine in edible salt with iodate, oxidation reduction titration is applicable to determination of iodine in edible salt with iodide or the reducing substances, while photometric method is applicable to rapid determination of iodine.
2 Normative References
The following document for the application of this document is essential. For dated reference, only the edition cited applies. For undated reference, the latest edition of the normative document (including any amendments) applies.
GB/T 6682-2008 Water for Analytical Laboratory Use-Specification and Test Methods
3 Volumetric Method
Foreword I
1 Scope
2 Normative References
3 Volumetric Method
4 Photometric Method (Determination Method with Special Iodimetry Apparatus)
