BS 5207:1975
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for sulphur hexafluoride for electrical equipment
Hardcopy , PDF
02-12-2005
English
30-09-1975
Cooperating organizations
Foreword
Specification
1. Scope
2. References
3. Description
4. Impurities
5. Sampling
6. Size of cylinders
7. Marking of cylinders
8. Certificate of compliance
Appendices
A. General information concerning sulphur hexafluoride
B. Sampling technique
C. Identification of gas
D. Toxicity
E. Water content and condensation temperature
F. Carbon tetrafluoride, oxygen and nitrogen
G. Hydrolysable fluorides
H. Acidity
J. Mineral oil content
Tables
1. Concentrations of impurities
2. Hygrometric data for uncontaminated water vapour
Figures
1. Saturated vapour pressure curve for sulphur
hexafluoride
2. Gravimetric determination of water in sulphur
hexafluoride gas
3. Main features of dew-point cell design
4. Arrangement for measurement of dew point
5. Example of chromatogram obtained when determining
oxygen, nitrogen and carbon tetrafluoride
6. Apparatus for determination of free acidity
7. Gas washing bottle for separation of oil from
sulphur hexafluoride gas
8. Apparatus for separating oil from sulphur
hexafluoride gas
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