Preparation of Lower Oxide of Sulphur

RECENT work on the lower oxide of sulphur 1,2 has established that disulphur monoxide (S 2 O) or its polymeric form is produced when sulphur is burnt in oxygen under reduced pressure. It has now been shown that it is possible to make use of an oxide of a heavy metal as a source of limited supply of...

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Bibliographic Details
Published in:Nature (London) 1962-02, Vol.193 (4817), p.773-774
Main Author: MURTHY, A. R. VASUDEVA
Format: Article
Language:English
Subjects:
Humanities and Social Sciences
letter
multidisciplinary
Science
Science (multidisciplinary)
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Summary:RECENT work on the lower oxide of sulphur 1,2 has established that disulphur monoxide (S 2 O) or its polymeric form is produced when sulphur is burnt in oxygen under reduced pressure. It has now been shown that it is possible to make use of an oxide of a heavy metal as a source of limited supply of oxygen to prepare the disulphur monoxide. For example, when a mixture of finely powdered cupric oxide and sulphur (1 : 5 by weight) is heated under vacuum in a glass tube gaseous products are evolved. which, on cooling in a trap surrounded by liquid air, will give an orange-red condensate (S 2 O) x . This condensate also gives off sulphur dioxide in stages as the temperature is raised, finally leaving a residue of elemental sulphur. Copper sulphide and excess of sulphur are left behind in the reaction tube.
ISSN:0028-0836
1476-4687
DOI:10.1038/193773a0