sodium thiosulfate
An inorganic compound that is typically available as the pentahydrate, Na₂S₂O₃·5H₂O. It is used in iodometry, photographic processing, gold extraction, etc.
A surname.
(obsolete) eagerly; greedily.
of, or pertaining to, resin / (physics, dated) negative (of electric charge)
化学者は滴定後の残留ヨウ素を消すために、チオ硫酸ナトリウム（五水和物 Na2S2O3·5H2O）を溶液に加えた。
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