BS 3947:1976
Current
The latest, up-to-date edition.
Specification for liquid chlorine
Hardcopy , PDF
English
30-09-1976
Important note : Users cannot be edited or removed once added to your Multi user PDF.
Foreword
Cooperating organizations
Specification
1 Scope
2 References
3 Description
4 Sampling
5 Chlorine content
6 Water content
7 Residue on evaporation
8 Packaging and marking
Appendices
A Methods of sampling and vaporizing liquid chlorine
and of disposing of chlorine gas
B Method for the determination of chlorine content
C Method for the determination of water content:
gravimetric method
D Method for the determination of water content using
an electrolytic analyser
E Alternative method of calibration of the
electrolytic cell for the determination of water
content
F Method for the determination of residue on
evaporation
G Method for the determination of nitrogen trichloride
content
Figures
1 Diagram of sample point from a pipe containing a
flowing stream of liquid chlorine
2 Sampling into pressurized sample containers
3 Liquid chlorine sample container
4 Head of liquid chlorine sample container
5 Checking of chlorine sample container before taking
the sample
6 Sampling into non-pressurized sample containers
7 Non-pressurized sample containers
8 Vaporization of a sample from a pressurized source
9 Chlorine absorption apparatus
10 Volumetric flask for determining chlorine content
11 Calibration graph giving the water content of the
magnesium perchlorate as a function of the increase
in temperature resulting from the heat of solution
under the conditions of C.10
12 Determination of water content: gravimetric method
13 Diagram of electrolytic analyser
14 Equilibrium diagram showing moisture content of
chlorine after bubbling in sulphuric acid as a
function of acid concentration and temperature
15 Diagram of electrolytic analyser and the calibration
device
16 Device for drawing off solvent
17 Liquid chlorine. Variation of density with
temperature
18 Example of recorder chart
19 Bubbler for determination of nitrogen trichloride
20 Apparatus for the determination of nitrogen
trichloride content
Liquid chlorine for industrial use. Methods for sampling, determination of chlorine content, water content, residue on evaporation and nitrogen trichloride content.
| Committee |
CII/26
|
| DevelopmentNote |
Supersedes 74/53821 DC and 91/54718 DC (07/2005) Reviewed and confirmed by BSI, January 2011. (12/2010)
|
| DocumentType |
Standard
|
| Pages |
42
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This British Standard specifies requirements for liquid chlorine for general industrial use.
| Standards | Relationship |
| ISO 2120:1972 | Similar to |
| ISO 2121:1972 | Similar to |
| ISO 1552:1976 | Similar to |
| BS 2511:1970 | Methods for the determination of water (Karl Fischer method) |
| BS 2761:1963 | Spherical ground glass joints |
| BS 3978:1966 | Specification for water for laboratory use |
| BS 5045-1:1976 | Transportable gas containers. Specification for seamless steel gas containers |
| BS 1704:1985 | Specification for solid-stem general purpose thermometers |
| BS 349:1973 | Specification for identification of the contents of industrial gas containers |
| BS 1792:1960 | One-mark volumetric flasks |
| BS 572:1960 | Interchangeable conical ground glass joints |
| BS 604:1952 | Graduated measuring cylinders |
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.