ISO 21436:2020
Pulps - Determination of lignin content - Acid hydrolysis method

Standard No.

ISO 21436:2020

Release Date

2020

Published By

International Organization for Standardization (ISO)

Latest

ISO 21436:2020

ISO 21436:2020 Referenced Document

• ISO 14453 Pulps - Determination of acetone-soluble matter
• ISO 1762 Paper, board, pulps and cellulose nanomaterials — Determination of residue (ash content) on ignition at 525 °C
• ISO 638 Paper, board and pulps - Determination of dry matter content - Oven-drying method
• ISO 7213 Pulps — Sampling for testing*， 2021-12-07 Update

ISO 21436:2020 history

• 2020 ISO 21436:2020 Pulps - Determination of lignin content - Acid hydrolysis method