GB/T 13840-1992
Abolished
XB/T 612.4-2023
Active
Industry standards-Rare earths
XB/T 612.4-2023 XB/T 612.4-2023 Nibber ferrite waste chemical analysis method Part 4: Determination of fluoride content by ion selective electrode method
XB/T 612.4-2023 XB/T 612.4-2023 Nibber ferrite waste chemical analysis method Part 4: Determination of fluoride content by ion selective electrode method
Basic Information
Standard Code:
XB/T 612.4-2023
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analysis methods for rare metals and their alloys
ICS Name:
Other non-ferrous metals and their alloys
Publish Date:
2023-12-20
Implement Date:
2024-07-01
Scope
This document is applicable to the determination of the fluorine content in neodymium-iron-boron waste materials. The measurement range (mass fraction) is 0.010% to 1.00%.
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