GB/T 46758-2025

Upcoming

Pulps—Kraft cooking liquor—Determination of total, active and effective alkali(potentiometric titration)

纸浆 硫酸盐法蒸煮液 总碱、活性碱和有效碱的测定(电位滴定法)

Standard Type
GBT
ICS
85.040
CCS
Y 31
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 total, active, and effective alkali in kraft cooking liquor used in pulp production. It is applied in the pulp and paper industry for quality control and process optimization of the sulfate (kraft) pulping process, ensuring consistent chemical composition for efficient delignification. The method is used by laboratories and manufacturers to monitor and adjust cooking liquor strength during papermaking operations.

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.