Feed grade cobalt sulfate
1 Scope
This standard specifies the requirements, test methods, inspection rules, marking and labeling as well as packaging, transportation and storage of feed grade cobalt sulfate.
This standard is applicable to feed grade cobalt sulfate.
Molecular formula: CoSO4·nH2O (n=1 or n=7)
Relative molecular mass: 173.0 for dry product or cobalt sulfate monohydrate (according to the international relative atomic mass in 2001)
281.1 for crystalline product or cobalt sulfate heptahydrate (according to the international relative atomic mass in 2001)
2 Normative references
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies.
GB/T 191-2000 Packaging - Pictorial marking for handling of goods (eqv ISO 780: 1997)
GB/T 610.1-1988 Chemical reagent - General method for the determination of arsenic
GB/T 6003.1-1997 Test sieves of metal wire cloth (eqv ISO 3310-1: 1990)
GB/T 6678 General principles for sampling chemical products
GB/T 6682-1992 Water for analytical laboratory use - Specification and test methods (eqv ISO 3696: 1987)
GB 10648 Feed label
GB/T 13079 Method for determination of total arsenic in feeds
GB/T 13080 Method for determination of lead in feeds
HG/T 3696.1 Inorganic chemical products - Preparations of standard volumetric solutions for chemical analysis
HG/T 3696.2 Inorganic chemical products - Preparations of standard solutions for chemical analysis
HG/T 3696.3 Inorganic chemical products - Preparations of reagent solutions for chemical analysis
3 Requirements
3.1 Appearance: The product is pink crystalline powder or reddish brown crystalline.
3.2 The feed grade cobalt sulfate shall meet those specified in Table 1.
Table 1 Requirements
Foreword i
1 Scope
2 Normative references
3 Requirements
4 Test methods
5 Inspection rules
6 Marking and labeling
7 Packaging, transportation and storage
