… deliquescent and soluble in water. Used for photographic fixing baths and as an antiseptic. (2) Sodium thiosulphate … very soluble in water, unaffected by air. Used as a fixing agent in photography, as an antichlor in the …
… ). (See other exclusions below.) Basic nitrates are also classified here. (1) Potassium nitrate (KNO 3 ) (also … nitrate; also for preparing gunpowder, chemical primers, fireworks, matches and metallurgical fluxes. (2) Bismuth …
