DS/EN ISO 172:1998

Plastics - Phenol-formaldehyde mouldings - Detection of free ammonia


Status:
Current
Type:
Standard
Language:
English
Price from:
€ 26.22

Scope

This standard specifies 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 powdered sample. It may be used when the absence of free ammonia is a requirement.

Number of pages: 8

Published: 1999-02-05

Date of approval: 1998-10-02

International relationships : EN ISO 172:1998 IDT ISO 172:1978 IDT

ICS: 83.080.10 - Thermosetting materials

Item number: 35623


Committees

Committee

  • CEN/TC 249
  • ISO/TC 61

Danish committee

DS/S-872