This standard specifies the requirements, test methods, inspection rules, signs, labels, packaging, transportation and storage of feed grade cobalt sulfate. This standard applies to feed grade cobalt sulfate. Molecular formula: CoSO·nHO (n=1 or n=7) Relative molecular mass: 173.0 (dry product or cobalt sulfate monohydrate) (according to the 2001 international relative atomic mass) 281.1 (crystalline product or cobalt sulfate heptahydrate) (according to 2001 year international relative atomic mass)