Home / Standards / GB/T 46056-2025 GB/T 46056-2025 Active Determination of sulfur in refractory products by gravimetric, photometric and titrimetric methods 重量法、光度法和滴定法测定耐火材料中的硫 Standard Type GBT ICS 81.080 CCS Q40 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 国家标准委 Drafting Unit N/A