ISO 172:1978

Name: ISO 172:1978
Brand: ISO
SKU: ISO 172:1978
Price: 53.24 EUR
Availability: InStock
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Plastics — Phenol-formaldehyde mouldings — Detection of free ammonia

Publication date: Aug 1, 1978

General information

Current stage: 90.93 Standard confirmed Jun 18, 2025

Originator: ISO

Owner: ISO/TC 61/SC 12 Thermosetting materials

Type: International Standard

ICS: 83.080.10 Thermosetting materials

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Status: Published

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Languages: French English

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Scope

Specification of a qualitative method of detecting the presence of free ammonia or other volatile bases in phenol-formaldehyde mouldings by the exposure of an indicator paper to the vapour from a moistened powdered sample. It may be used when the absence of free ammonia is a requirement.

Life cycle

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PUBLISHED
ISO 172:1978
90.93 Standard confirmed
Jun 18, 2025