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BS 2782-4.451L(1980) : 1980 AMD 10253

BS 2782-4.451L(1980) : 1980 AMD 10253

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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METHODS OF TESTING PLASTICS - CHEMICAL PROPERTIES - DETECTION OF FREE AMMONIA IN PHENOLFORMALDEHYDE MOULDINGS

Superseded date

15-10-1998

Published date

23-11-2012

Publisher

British Standards Institution

NO CONTENTS SECTION

Gives 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. May be used when the absence of free ammonia is a requirement. Covers principle, apparatus, preparation of test sample, procedure, expression of results and test report. BS AMD 10253 RENUMBERS STD

Committee
PRM/21
DevelopmentNote
Renumbered and superseded by BS EN ISO 172. Supersedes 79/51314 DC. (09/2005)
DocumentType
Standard
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

Standards Relationship
ISO 172:1978 Identical

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