hyposulphite

British  

/ ˌhaɪpəˈsʌlfaɪt /

noun

1. Often shortened to: hypo.  another name for sodium thiosulphate, esp when used as a photographic fixer

2. another name for dithionite

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Example Sentences

We have often found it to be the case when old hyposulphite of soda is used, and when the strength of the bath is becoming weak and doubtful.

From Notes and Queries, Number 193, July 9, 1853 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc by Bell, George

Here I had the advantage of having published my use of hyposulphite of soda, which Mr. Hodgson made for me in 1837, when London did not contain an ounce of it for sale.

From The Evolution of Photography With a Chronological Record of Discoveries, Inventions, etc., Contributions to Photographic Literature, and Personal Reminescences Extending over Forty Years by Werge, John

The picture is fixed by washing with hyposulphite of soda.

From Harper's Young People, December 2, 1879 An Illustrated Weekly by Various

The wool might also be previously mordanted with 15�lb. hyposulphite of soda, and 5�lb. sulphuric acid at the boil for one and a half hours, when it will give a bright shade of emerald green.

From The Dyeing of Woollen Fabrics by Beech, Franklin

Rev. J. B. Reade, of Clapham, London, obtained a photograph in the solar microscope, and employed tannin as an accelerator and hyposulphite of soda as a fixer for the first time in photography.

From The Evolution of Photography With a Chronological Record of Discoveries, Inventions, etc., Contributions to Photographic Literature, and Personal Reminescences Extending over Forty Years by Werge, John