This document specifies the determination of sulfur content in ferronickel. It adopts the infrared absorption method in which an induction furnace is used. This document applies to the determination of sulfur content in ferronickel. The measurement range (mass fraction) is 0.002%~0.26%.
Basic Data
Standard ID
GB/T 21931.2-2025 (GB/T21931.2-2025)
Description (Translated English)
Ferronickels - Determination of sulfur content - Infrared absorption method after induction furnace combustion
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
H11
Classification of International Standard
77.100
Word Count Estimation
18,165
Date of Issue
2025-06-30
Date of Implementation
2026-01-01
Older Standard (superseded by this standard)
GB/T 21931.2-2008
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
