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Standard

NS-EN ISO 172:1998

Published

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Abstract

This International 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.

Document information

  • Standard from SN
  • Published:
  • Edition: 1
  • Version: 1
  • Document type: NAT
  • ICS 83.080.10
  • National Committee SN/K 138/ NS 416

Product Relations

  • Adopted from: EN ISO 172:1998 , 0