Reference number
ISO 699:2015
ISO 699:2015
© ISO 2025
International Standard
ISO 699:2015
Pulps — Determination of alkali resistance
Edition 3
2015-04
2015-04
ISO 699:2015
66534
Published
(Edition 3, 2015)
This publication was last reviewed and confirmed in 2021.
Therefore this version remains current.
Abstract
ISO 699:2015 specifies a method for the determination of the alkali-insoluble fraction of pulps using sodium hydroxide solution of fixed concentration. The sodium hydroxide concentrations most frequently used are 18, 10, and 5 % (m/m).
The method is applicable to all kinds of pulp.
Life cycle
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Previously
WithdrawnISO 699:1982
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Now