GB/T 46758-2025 Active National standards

GB/T 46758-2025 Pulps—Kraft cooking liquor—Determination of total, active and effective alkali(potentiometric titration)

Publish Date: 2025-12-02 Implement Date: 2026-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 46758-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Paper pulp and cardboard

ICS Name: \nPulp

Publish Date: 2025-12-02

Implement Date: 2026-07-01

Pages: 12 pages

Scope

This document describes the method of determining the total alkali, active alkali, and effective alkali in sulfate cooking liquor using potentiometric titration.
This document is applicable to the determination of total alkali, active alkali, and effective alkali in sulfate cooking liquor (including white liquor and green liquor).
This document is not applicable to the analysis of white liquor containing a large amount of polysulfides, such as oxidized white liquor, nor to the determination of specific ions, such as sulfide ions or carbonate ions.