GB/T 13840-1992
Abolished
XB/T 521-2022
Active
Industry standards-Rare earths
XB/T 521-2022 Superfine Gd oxide powder
XB/T 521-2022 Superfine Gd oxide powder
Basic Information
Standard Code:
XB/T 521-2022
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Rare earth metals and their alloys
ICS Name:
Other non-ferrous metals and their alloys
Publish Date:
2022-09-30
Implement Date:
2023-04-01
Scope
This document is applicable to ultra-fine gadolinium oxide powder with an apparent average particle size of no more than 1 μm, which is produced by chemical methods and used in fields such as electronic ceramics, magnetic bubble memory storage materials, thermal spraying, and glass.
Development Information
Related Standards
GB/T 15677-1995
Replaced
GB/T 15677-1995 Lanthanum metal
GB/T 3136-1995
abolished_transferred
GB/T 3136-1995 Tantalum powders
GB/T 3463-1995
Abolished
GB/T 3463-1995 Tantalum wires
GB/T 3628-1995
Replaced
GB/T 3628-1995 Tantalum and tantalum alloy foils
GB/T 16476-1996
Replaced