SS-ISO-23772 › Pulps — Kraft liquor — Determination of residual alkali using potentiometric titration (ISO 23772:2023, IDT)

SS-ISO-23772 - 2023 EDITION - CURRENT


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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.

To find similar documents by classification:

85.020 (Paper production processes Including paper recycling)

85.040 (Pulps)

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Designation Name

SS-ISO 23772:2023

Revision Level

2023 EDITION

Status

Current

Publication Date

March 14, 2023

Language(s)

English

Page Count

16

International Equivalent

ISO 23772:2023(IDT)