Standard

ISO 9397:1995

Apr 1995 Withdrawn

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Abstract

Cancels and replaces the first edition (1989). Lays down a method of chemically determining free formaldehyde in phenolic resins by potentiometric titration, in aqueous or organic solution. The method is applicable to resins with free-formaldehyde contents up to and including 15 % (m/m). For free-formaldehyde contents between 15 % (m/m) and 30 % (m/m), it may be necessary to adjust the concentrations of the standard volumetric solutions used accordingly. This method must not be used in the presence of hexamethylenetetramine.

Document information

Standard from ISO
Published: 20 April 1995
Withdrawn: 3 March 2004
Edition: 2
Version: 1
Document type: IS
ISBN:

ICS 83.080.10
ISO TC ISO/TC 61/SC 12

Product Relations

Revised by: ISO 11402:2004
Revised by: ISO 11402:2004
Revises: ISO 9397:1989

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Withdrawn

ISO 9397:1989
Current product

Withdrawn

ISO 9397:1995
Revised by

Published

ISO 11402:2004

Historical draft

ISO 11402:2004

ISO 9397:1995

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ISO 9397:1995

ISO 9397:1989

Abstract

Document information

Product Relations

Product life cycle

Access to standards for the entire organization

Benefits of our business solution:

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Extended editions Extended editions (0)

Version history Related corrigendum and amendments (0)

Version history History (2)

ISO 9397:1995

ISO 9397:1989

Abstract

Document information

Product Relations

Product life cycle