ISO 699:2015
Pulps - Determination of alkali resistance

Standard No.

ISO 699:2015

Release Date

2015

Published By

International Organization for Standardization (ISO)

Latest

ISO 699:2015

Scope

This International Standard 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.

ISO 699:2015 Referenced Document

• ISO 4793:1980 Laboratory sintered (fritted) filters; Porosity grading, classification and designation
• ISO 638:2008 Paper, board and pulps - Determination of dry matter content - Oven-drying method
• ISO 692:1982 Pulps; Determination of alkali solubility

ISO 699:2015 history

• 2015 ISO 699:2015 Pulps - Determination of alkali resistance
• 1982 ISO 699:1982 Pulps; Determination of alkali resistance
• 1974 ISO 699:1974 Title missing - Legacy paper document