1961
DOI: 10.1002/cber.19610940501
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Über die blauen Lösungen des Schwefels

Abstract: Stabile, intensiv blaue Usungen entstehen unter AusschluD von Sauerstoff a) in Kaliumthiocyanat-Schmehn bei 250-450" durch thermische Dissoziation von KSCN, bei der Emwirkung von Schwefeldampf oder fliissigem Schwefel und beim Zerfall von K2S2, K2S3r K2S4 und NazSzO3, b) durch Zcrfall von K2S2, K2S3 und K2S4 in Dimethylsulfoxid bei 20-100". -In den genannten FUlen tritt in sehr geringer Konzentration ein weder Stickstoff noch Sauerstoff enthaltendes MolekDl oder Ion des Schwefels im Gleichgewicht auf, das durc… Show more

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Cited by 30 publications
(7 citation statements)
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“…This is indicative of the absence of equilibria that can generate anionic species such as S3-or $2-that are responsible for the blue or green solutions of polysulfides in molten chlorides and thiocyanates (11)(12)(13)(14)(15).…”
Section: Methodsmentioning
confidence: 97%
“…This is indicative of the absence of equilibria that can generate anionic species such as S3-or $2-that are responsible for the blue or green solutions of polysulfides in molten chlorides and thiocyanates (11)(12)(13)(14)(15).…”
Section: Methodsmentioning
confidence: 97%
“…It has long been known that sulfur produces a blue color in certain solvents. This has been observed in fused KSCN (17,18) and fused LiC1-KC1 (19). The nature of the colored sulfur species has not been established, and the following experiment was therefore performed.…”
Section: Discussionmentioning
confidence: 99%
“…We are unable to explain these results, which indicate that both sulfide and sulfur are necessary to produce the blue color, other than by postulating that the color is due to a polysulfide ion formed by sulfur and sulfide, i.e., S = + xS ~ Sx+l = (blue). The molar extinction coefficient is so high, 16,600 (17), that a small amount of trace impurities present in the fused LiC1-KC1 (19) could reduce enough sulfur to sulfide to produce the color. The situation in the fused KSCN system is more complex (17,18,20) but both sulfur and sulfide could well be present.…”
Section: Discussionmentioning
confidence: 99%
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“…Cadmium electrode.--Two radically different mechanisms have been proposed in the literature for the anodic oxidation of cadmium: the dissolution-precipitation mechanism (7)(8)(9)(10)(11)(12)(13) and the solid-state oxidation mechanism involving ionic transport through a Cd(OH)2-film (14)(15). The mechanism of cathodic reduction of Cd(OH)2 has been studied to a much less degree than its anodic counterpart in spite of its importance in the charge process of the battery cadmium electrode (14,16,17).…”
Section: Temperature Dependence Of Iron and Cadmium Alkaline Electrodesmentioning
confidence: 99%