ISO 172:1978
ISO 172:1978 Plastics – Phenol-formaldehyde mouldings – Detection of free ammonia
CDN $76.00
Description
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.
Edition
1
Published Date
1978-08-01
Status
PUBLISHED
Pages
1
Language
English
Format
Secure PDF
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Abstract
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.
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