This International Standard 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.
BS ISO 9198:2001 history
2020BS ISO 9198:2020 Paper, board and pulp. Determination of water-soluble sulfates
2001BS ISO 9198:2001 Paper, board and pulp - Determination of water-soluble sulfates