Plastics. Phenol-formaldehyde mouldings. Determination of free ammonia and ammonium compounds. Colorimetric comparison method

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-06-1978

Publisher

British Standards Institution

Defines a colorimetric comparison procedure for the semi-quantitative determining of the amount of ammonia in phenol-formaldehyde mouldings.

Committee	PRI/21
DevelopmentNote	Renumbers and supersedes BS 2782-4.451D(1978). 1998 version incorporates amendment 10254 to BS 2782-4.451D(1978). Supersedes BS 2782(1970) & 75/53803 DC. (11/2005)
DocumentType	Standard
Pages	10
PublisherName	British Standards Institution
Status	Current
Supersedes	BS 2782-4.451D(1978) : 1978 AMD 10254 BS 2782:1970

BS 2782-0:GEN INTRO(1975) : LATEST
BS 1848(1952) : LATEST	GLASS CONDENSERS
BS 612:1966	Specification for Nessler cylinders
ISO 648:2008	Laboratory glassware — Single-volume pipettes
ISO 565:1990	Test sieves — Metal wire cloth, perforated metal plate and electroformed sheet — Nominal sizes of openings