One of the mysteries of the English language finally explained.
A white soluble compound used in photography as a fixer to dissolve unchanged silver halides.
Chemical formula: Na₂S₂O₃Also called hypo
- ‘Excess silver is removed by sodium thiosulfate.’
- ‘I should note that the traditional method of fixing prints in a sodium thiosulfate solution for 5 to 10 minutes is perfectly acceptable, so long as fixing and washing times are adequate.’
- ‘One fixative used commonly is sodium thiosulfate.’
- ‘Salted paper is usually fixed in a 10% solution of hypo (100 grams of sodium thiosulfate in 1 liter of water) for 10 minutes.’
- ‘The process involves adding a 10% solution of sodium thiosulfate to the second developer.’
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