Home / Standards / GB/T 46754-2025 GB/T 46754-2025 Upcoming Pulps—Kraft cooking liquor and black liquor—Determination of hydrosulphide ion concentration(potentiometric titration) 纸浆 硫酸盐法蒸煮液和黑液 硫氢根离子浓度的测定(电位滴定法) Standard Type GBT ICS 85.040 CCS Y31 Status 即将实施 Issue Date 2025-12-02 Implementation 2026-07-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A