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ISO 9198:2020

Paper, board and pulp — Determination of water-soluble sulfates ISO 9198:2020

Publication date:   Sep 18, 2020

General information

90.93   Standard confirmed   Dec 5, 2025

ISO

ISO/TC 6 Paper, board and pulps

International Standard

85.040   Pulps | 85.060   Paper and board

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Published

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Scope

This document specifies a method for the determination of water-soluble sulfates in all types of pulp, paper and board. The lower limit of the determination is 20 mg of sulfate ion per kilogram of dry sample.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 9198:2001

NOW

PUBLISHED
ISO 9198:2020
90.93 Standard confirmed
Dec 5, 2025




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