Published
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.
WITHDRAWN
ISO 9198:2001
PUBLISHED
ISO 9198:2020
90.20
Standard under periodical review
Jul 15, 2025
Paper, board and pulp — Determination of water-soluble sulfates
90.20 Standard under periodical review
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