GB/T 13840-1992
Abolished
YS/T 502.3-2024
Active
Industry standards-Non-ferrous metals
YS/T 502.3-2024 Wrought nickel-tungsten alloys analysis methods - Part 3: Determination of potassium content - Flame atomic absorption spectrometry
YS/T 502.3-2024 Wrought nickel-tungsten alloys analysis methods - Part 3: Determination of potassium content - Flame atomic absorption spectrometry
Basic Information
Standard Code:
YS/T 502.3-2024
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:
2024-10-24
Implement Date:
2025-05-01
Scope
This document is applicable to the determination of potassium content in tungsten-rhenium alloys, with a measurement range (mass fraction) of 0.0005% to 0.010%.
Development Information
Same series standard
YS/T 502.1-2024 YS/T 502.1-2024 Welding rod - Wrought and cast Wrought tungsten-rhenium alloys - Part 1: Methods for chemical analysis - Determination of rhenium content - Spectrophotometric and inductively coupled plasma atomic emission spectrometric methods
YS/T 502.2-2024 YS/T 502.2-2024 Wrought W-Re Alloy Chemical Analysis Methods Part 2: Determination of Tungsten Content by Xinken Weight Method
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