Examples from the Web for bisulphite
If the bisulphite causes no bleaching, boil a piece of the paper with very dilute hydrochloric acid.
Sometimes a mixture of bisulphite and powdered zinc replaces it, but this is objectionable for pure food gelatines.Animal Proteins|Hugh Garner Bennett
This is generally known as a solution of bisulphite of lime.
The cyanide and bisulphite solution is then added with warming till the blue colour is destroyed.On Laboratory Arts|Richard Threlfall
Sulphurous acid may either be applied in the gaseous form or in solution as bisulphite of soda.