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Title: Hydronium ion formation during the hydrometallurgical formation of valentinite (Sb₂O₃)
Contributor(s): Bernett, RD (author); Mitchell, A (author); Brown, TC  (author)orcid 
Publication Date: 2004
DOI: 10.1023/B:JMSC.0000012947.67817.17
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Abstract: Cubic antimony trioxide or senarmontite (Sb₄O₆) is used as an additive to facilitate the flame retardancy of plastics and other commercial materials. This retardancy is due to the propensity of antimony trioxide to form gas-phase antimony trihalide under flame conditions, which is in turn able to stabilize the free radicals in the flame. Orthorhombic Sb₂O₃ or valentinite shows similar properties as senarmontite, but is not normally used because it oxidizes from a white to gray color when exposed to air and sunlight [1]. Such graying can impact on the coloring of plastics, paints and textiles, and so photo stable white senarmontite is the preferred choice.
Publication Type: Journal Article
Source of Publication: Journal of Materials Science, 39(3), p. 1075-1076
Publisher: Kluwer Academic Publishers
Place of Publication: Dordrecht, Netherlands
ISSN: 0022-2461
Field of Research (FOR): 030206 Solid State Chemistry
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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