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BS ISO 14849:1999

Current
Current

The latest, up-to-date edition.

Plastics. Phenol-formaldehyde mouldings. Determination of free ammonia and ammonium compounds. Indophenol method
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

11-15-1999

1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Preparation of test sample
8 Procedure
9 Expression of results
10 Precision
11 Test report

Defines a colorimetric comparison method for determining the amount of ammonium compounds and ammonia in phenol-formaldehyde mouldings.

This International Standard specifies a colorimetric comparison method for the determination of the amount of ammonia and ammonium compounds in phenol-formaldehyde mouldings.

NOTE This International Standard does not provide an absolute measure of the amount of ammonia present.

The amount of ammonia in a moulded article is of importance when corrosion of metal inserts or contamination of foodstuffs in contact with the article has to be considered.

Committee
PRI/21
DevelopmentNote
Supersedes 97/121691 DC (03/2005)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 14849:1999 Identical

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ISO 4788:2005 Laboratory glassware Graduated measuring cylinders
ISO 835-2:1981 Laboratory glassware Graduated pipettes Part 2: Pipettes for which no waiting time is specified
ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods

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