Home / Standards / GB/T 26324-2025 GB/T 26324-2025 Active 1-Hydroxyethylidene-1,1-diphosphonate acid 羟基亚乙基二膦酸 Standard Type GBT ICS 13.060.25;71.100.40 CCS G77 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A