hyposulphite

The formula of this substance is NaHSO_ {2}, as distinguished from what is commonly known as hyposulphite of soda,

Scientific American Supplement, No. 447, July 26, 1884

Suggested the use of a pad soaked in hyposulphite of soda to protect the men, and suggested that the enemy probably already had one designed that might be obtained if search were made on the field.

War Story of the Canadian Army Medical Corps

"hyposulphite," "phosphate," and "affinity," were enough to convince even the most sceptical that Dr Skinner had a profound knowledge of chemistry.

The Way of All Flesh

Heat was used to bring up a latent image, then the image was permanently "fixed" to the plate by dipping it in a hyposulphite of soda.

Jan. 9, 1839: Say 'Cheese'

The process depends on the reduction of indigo to indigo-white, or soluble indigo, by means of hyposulphite, or, as it is generally termed to avoid confusion with antichlore, rightly named thiosulphate of soda, hydrosulphite of soda.

Scientific American Supplement, No. 447, July 26, 1884

This is a solution of hyposulphite of soda, a chemical which is used in development and which renders the plate no longer sensitive to light, but dissolves that part which has not been acted upon by the developer.

Outdoor Sports and Games

In lieu of common salt, 15 parts of hyposulphite of soda, or other hygroscopic salt, such as chloride of calcium, may be employed.

Scientific American Supplement, No. 362, December 9, 1882

~Sodium thiosulphate~ (_hyposulphite of soda or "hypo" _) (Na_ {2} S_ {2} O_ {3} ·5H_ {2} O).

An Elementary Study of Chemistry

He then adds 8 drops of sodium hyposulphite at 33° B., and 1 c.c. of a solution of magenta, 1 decigrm. per liter.

Scientific American Supplement, No. 288, July 9, 1881

The zinc may be supposed to remove oxygen from the acid sulphite, NaHSO_ {3}, giving hyposulphite, NaHS0_ {2}.

Scientific American Supplement, No. 447, July 26, 1884