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BS 4849:1972

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Specification for 1,1,2-trichlorotrifluoroethane (R 113)
Available format(s)

Hardcopy , PDF

Withdrawn date

15-08-1993

Language(s)

English

Published date

31-10-1972

Publisher

British Standards Institution

Description, colour, density, distillation yield, residue on evaporation, water content, free acidity, stability and sampling. Test methods appended. Classified as a Group 1 refrigerant (of low toxicity).

DevelopmentNote
This standard is implicated in the Montreal Protocol on ozone depleting substances. OBSOLETE
DocumentType
Standard
Pages
14
PublisherName
British Standards Institution
Status
Withdrawn

BS 9751:1979 Blank detail specification for fixed insulated (unshielded) r.f. inductors at the full assessment level
BS 9751 N0001:1980 Detail specification for fixed insulated (unshielded) radio frequency inductors. Wire wound on ferrite, iron dust or phenolic cylindrical former. Full assessment level
BS 4584-13:1977 Specification for metal-clad base materials for printed circuits Silicone woven glass fabric copper-clad laminated sheet Si-GC-Cu-13

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Hardcopy - English
PDF - English
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