This standard is applicable to the food additive, potassium iodide, prepared by the reduction of potassium iodate which is generated through reaction of potassium hydroxide and iodine.
2 Chemical Name, Molecular Formula and Relative Molecular Mass
2.1 Chemical name
Potassium iodide
2.2 Molecular formula
KI
2.3 Relative molecular mass
166.0 (as per 2007 international relative atomic mass)
3 Technical Requirements
3.1 Sensory requirements shall be in accordance with those specified in Table 1.
Table 1 Sensory Requirements
Item Requirement Inspection method
Color and lustre Colorless or white Put a proper amount of specimen into a 50mL beaker, observe its color and lustre as well as state under natural light
State Crystal
3.2 Physical and chemical indexes shall be in accordance with those specified in Table 2.
