ISO - 23772
Pulps — Kraft liquor — Determination of residual alkali using potentiometric titration
active, Most Current
| Organization: | ISO |
| Publication Date: | 1 March 2023 |
| Status: | active |
| Page Count: | 12 |
| ICS Code (Pulps): | 85.040 |
scope:
This document describes a procedure for determining the content of residual alkali in Kraft black liquors having a dry matter content up to 40 %.
The method is based on a potentiometric titration with hydrochloric acid and is intended for black liquor samples with an initial pH ≥ 11,0.
The lower limit of determination is 0,1 g/l of eq. NaOH.
Document History
23772
March 1, 2023
Pulps — Kraft liquor — Determination of residual alkali using potentiometric titration
This document describes a procedure for determining the content of residual alkali in Kraft black liquors having a dry matter content up to 40 %.
The method is based on a potentiometric titration...