Monazite Concentrate
1 Scope
This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation, storage, as well as quality certificate of monazite concentrate.
This standard is applicable to the dry monazite concentrate obtained from the concentration of placer ore, for the extraction of rare earth metals and their compounds and for the extraction of thorium.
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.
GBZ 139 Radiological protection standards for the production places of rare-earth elements
GB 5750.13 Standard examination methods for drinking water - Radiological parameters
GB 11806 Regulations for the safe transport of radioactive material
GB 18871 Basic standards for protection against ionizing radiation and for the safety of radiation sources
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 18114
(all parts) Chemical analysis methods of rare earth concentrates
3 Requirements
3.1 Chemical Composition
The chemical composition of product shall comply with the requirements of Table 1. In case that the purchaser has any special requirement, it may be agreed by the supplier and the purchaser through negotiation.
Foreword II
1 Scope
2 Normative references
3 Requirements
4 Test methods
5 Inspection rules
6 Marking, packaging, transportation, storage and quality certificate
