Xenotime Concentrate
1 Scope
This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation, storage, as well as quality certificate of xenotime concentrate.
This standard is applicable to the dry xenotime concentrate obtained from placer ore concentration, which is mainly used to extract 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.
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 18114 Chemical analysis methods of rare earth concentrates
GB/T 18882 Chemical analysis methods of mixed rare earth oxide of ion-absorpted type RE ore - Determination of fifteen REO relative content
3 Requirements
3.1 Chemical Composition
Products are divided into five designations according to chemical composition, and the chemical composition of products shall meet the requirements of Table 1. Special requirements of the purchaser, if any, shall be agreed by the supplier and the purchaser and indicated in the order form (or contract).
Foreword II
1 Scope
2 Normative references
3 Requirements
4 Test methods
5 Inspection rules
6 Marking, packaging, transportation, storage and quality certificate
