International Standard
ISO 23777:2023
Pulps — Kraft liquor — Determination of hydrosulphide ion concentration using potentiometric titration
Reference number
ISO 23777:2023
ISO 23777:2023
Edición 1
2023-03
2023-03
© ISO 2024
International Standard
Resumen
This document describes a procedure for the determination of sulphide, i.e. the hydrosulphide ion concentration, in white, oxidized white and green liquors, as well as in black liquor having a dry matter content up to 40 %. The determination also includes the sulphide part of any polysulphide present in the solution.
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