in water
at higher temp., by removal of thiosulfate, mainly sulfate formation;
参考文献
Hamid, M. A.; Bhatai, V. S.; Dunnicliff, H. B.
Journal of the Indian Chemical Society, 1936 , vol. 13, p. 697 - 699
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Gmelin Handbook: S: MVol.B2, 7.1, page 853 - 859