Tagasi

ISO 23772:2023

Pulps — Kraft liquor — Determination of residual alkali using potentiometric titration

Üldinfo
Kehtiv alates 10.03.2023
Tegevusala (ICS grupid)
85.040 Tselluloos- ja puitmass
Direktiivid või määrused
puuduvad

Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
10.03.2023
Põhitekst
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.
*
*
*
PDF
74,15 € koos KM-ga
Paber
74,15 € koos KM-ga
Standardi monitooring