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polythionic
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polythionic
polythionic, a. Chem. (pɒlɪθaɪˈɒnɪk) [f. poly- + -thionic, f. Gr. θεῖον sulphur: see dithionic.] Containing several atoms of sulphur in combination with H2O6 (distinguished from sulphuric, in which S is combined with H2O4); in polythionic acids, a general name for the acids of this constitution, e.g...
Oxford English Dictionary
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Polythionic acid
Dithionic acid (H2S2O6) does not belong to the polythionic acids due to strongly different properties. Occurrence
Polythionic acids are rarely encountered, but polythionates are common and important.
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Polythionates
Polythionates are readily isolable, unlike the parent polythionic acids.
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tetrathionic
tetrathionic, a. Chem. (tɛtrəθaɪˈɒnɪk) [f. tetra- + Gr. θεῖον sulphur + -ic: see -thionic.] In tetrathionic acid, H2S4O6, a colourless, inodorous, very acid liquid, containing four atoms of sulphur in the molecule. Hence tetraˈthionate, a salt of tetrathionic acid.1848 Chem. Gaz. 1 Jan. 13 A double ...
Oxford English Dictionary
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Thiosulfurous acid
Reactions
It apparently decomposes to polysulfane oxide or polythionic acids in water, which is termed Wakenroder's liquid.
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Trithionic acid
Trithionic acid is a polythionic acid with three sulfur atoms. It can be viewed as two bisulfite radicals bridged by a sulfur atom.
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poly-
poly- (pɒlɪ) repr. Gr. πολυ-, combining form of πολύς, πολύ, much, in pl., πολλοί, -αί, ά many, forming the first element in a large number of words, mostly scientific or technical. The second element of such compounds is properly of Greek origin, but in recent formations is often of Latin; occasion...
Oxford English Dictionary
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Heinrich Wilhelm Ferdinand Wackenroder
In 1845 he discovered the Wackenroder solution, a polythionic acid, resulting from the reaction of dilute sulphuric acid with hydrogen sulphide.
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