Home / Standards / GB/T 5195.4-2025 GB/T 5195.4-2025 Active Methods for chemical analysis of fluorspar—Part 4: Determination of total sulfur and sulfide content 萤石化学分析方法 第4部分:总硫、硫化物含量的测定 Standard Type GBT ICS 73.080 CCS D52 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A