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GB/T 46757-2025 Active
GB/T 46757-2025 Pulps—Kraft black liquor—Determination of residual alkali(potentiometric titration)
Abstract
This document describes the method of determining the residual alkali concentration in sulfate black liquor using potentiometric titration.
This document is applicable to the determination of residual alkali concentration in sulfate black liquor with an initial pH of not less than 11.0 and a solids content of not more than 40%.
This document specifies that the detection limit of the method is 0.1 g/L (calculated as NaOH).
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 46757-2025 |
| CCS | Paper pulp and cardboard |
| ICS | \nPulp |
| Implement Date | 2026-07-01 |
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