BS 4431:1989
Current
The latest, up-to-date edition.
Methods of sampling and test for liquefied anhydrous ammonia
Hardcopy , PDF
English
30-06-1989
Foreword
Committees responsible
Methods
1 Scope
2 Method for collecting the test portion
3 Determination of residue on evaporation
4 Determination of oil content by the gravimetric
method
5 Determination of oil content by the infra-red
spectrometric method
6 Determination of water content by the Karl Fischer
method
7 Determination of carbon dioxide content
8 Test report
9 Method of sampling for the subsequent determination
of oxygen by gas chromatography
Appendices
A Guidance on the sampling of liquefied anhydrous
ammonia
B Determination of the evaporation factor, F
Table
1 Standard oil solutions for calibrating graph
Figures
1 Apparatus for collecting the test portion
2 Diagram of sampling apparatus for the subsequent
determination of oxygen by gas chromatography
3 Illustration of equipment for sampling from tank
wagons and storage tanks
4 Graph of evaporation factor against pressure in
vessel
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.