GB/T 28882-2012 Rare earth carbonate of ion-absorpted type rare earth ore
1 Scope
This standard specifies the requirements, test methods and inspection rules for, as well as packaging, marking, transportation and storage, and quality certificate of rare earth carbonate of ion-absorpted type rare earth ore
This standard is applicable to rare earth carbonate of ion-absorpted type rare earth ore, which is mainly used as raw material for grouping rare earths or separating single rare earth compounds.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 14635 Rare earth metals and their compounds - Determination of total rare earth contents
GB/T 16484.12 Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 12: Determination of sulfate radical
GB/T 16484.18 Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 18: Determination of ignition loss content in light rare earth carbonate - Gravimetry
GB/T 16484.21 Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 21: Determination of iron oxide content - 1,10-phenanthroline spectrophotometry
GB/T 17803 Designation system for rare earth products
GB/T 18882.1 Chemical analysis methods of mixed rare earth oxide of ion-absorpted type RE ore - Determination of fifteen REO relative content
GB/T 18882.2 Chemical analysis methods for mixed rare earth oxide of ion-absorpted type RE ore - Determination of aluminum oxide content
3 Requirements
3.1 Chemical composition
The product designation and chemical composition shall meet the requirements specified in Table 1. In case that the purchaser has any special requirement, it may be determined upon negotiation between the supplier and the purchaser.
Foreword i
1 Scope
2 Normative references
3 Requirements
4 Test methods
5 Inspection rules
6 Marking, packaging, transport, storage and quality certificate
