GB/T 3503-2015Yttrium oxide (English PDF)

1 Scope

This standard specifies the yttria requirements, test methods, inspection rules and packaging, labeling, transportation, storage and quality certificate.

This standard applies to extraction or other methods prepared for the production of fluorescent material, ferrite single crystal materials, optical glass, artificial stones,

Yttrium oxide ceramics and the like used in the preparation of the metal yttrium.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 8170 repair value represents about rules and limit values and judgment

GB/T 12690 (all parts), oxides of rare earth metals and their chemical impurity analysis of Central Africa

Determination of GB/T 14635 method for chemical analysis of rare earth metals and rare earth compound total

GB/T 17803 grades representation of rare earth products

GB/T 18115.12 rare earth metals and oxides of rare earth impurities in chemical analysis methods of lanthanum, yttrium, cerium, praseodymium, neodymium, samarium, europium, gadolinium,

Terbium, dysprosium, holmium, erbium, thulium, ytterbium and lutetium contents -

Determination of GB/T 20170.1 physical properties of metals and their compounds determination of particle size distribution of the rare earth compound

3 Requirements