GB/T 13840-1992
Abolished
YS/T 358.2-2025
Active
Industry standards-Non-ferrous metals
YS/T 358.2-2025 The Chemical Analysis Methods for Tantalum Iron and Nb Iron Fine Ore Part 2: Determination of Titanium Dioxide Content Using Di-ammonium Permethylenediamine Pyrrolidinium Porphyrin Spectrophotometry and Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES) are given in this standard
YS/T 358.2-2025 The Chemical Analysis Methods for Tantalum Iron and Nb Iron Fine Ore Part 2: Determination of Titanium Dioxide Content Using Di-ammonium Permethylenediamine Pyrrolidinium Porphyrin Spectrophotometry and Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES) are given in this standard
Basic Information
Standard Code:
YS/T 358.2-2025
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:
2025-08-19
Implement Date:
2026-03-01
Publisher:
工业和信息化部
Development Information
Same series standard
YS/T 358.1-2025 Method for chemical analysis of tantalum and niobium concentrates Part 1: Determination of tantalum and niobium content by weighting method and X-ray fluorescence spectroscopy
YS/T 358.13-2025 Method for Chemical Analysis of Tantalum Iron and Nb Iron Fine Ore - Part 13: Determination of Impurity Element Content by Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES)
Replace the following standards
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