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单词 sodium thiosulphate
释义

sodium thiosulphate

(also sodium thiosulfate)
noun [mass noun]
A white soluble compound used in photography as a fixer to dissolve unchanged silver halides. Also called hypo1.
  • Chemical formula: Na2S2O3.
Excess silver is removed by sodium thiosulfate....
  • One fixative used commonly is sodium thiosulfate.
  • The process involves adding a 10% solution of sodium thiosulfate to the second developer.
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更新时间:2024/11/13 11:10:24