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
Upcoming
Issue Date
2025-12-02
Implementation
2026-07-01
Centralized Committee
中国轻工业联合会
Issuing Authority
国家市场监督管理总局、国家标准化管理委员会

Application Summary AI generated

This standard specifies a potentiometric titration method for determining hydrosulphide ion concentration in kraft cooking liquor and black liquor. It is applied in the pulp and paper industry to monitor and control the chemical composition of pulping liquors during the kraft process. The method ensures accurate measurement for process optimization, quality control, and environmental management in pulp mills.

Related Standards

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.