Home / Standards / GB/T 11136-2025 GB/T 11136-2025 Active Determination of bromine index for petroleum hydrocarbons—Electrometric titration 石油烃类溴指数的测定 电位滴定法 Standard Type GBT ICS 75.080 CCS E30 Status 现行 Issue Date 2025-10-05 Implementation 2026-05-01 Responsible Dept 国家标准委 Drafting Unit N/A