Isodium hydrosulphite 

Igama jikelele: sodium hydrosulphite

Ifomula yemolekyuli: Na2S2O4

Imbonakalo:umgubo wekristale ohamba simahla omhlophe

Ivumba:akunancasa okanye ivumba lesulphur dioxide

Ukupakisha: 50kg net igubu zentsimbi ezinepolybag zangaphakathi ezimbini.

Isicelo:
1. Isetyenziswa kakhulu kushishino lwamalaphu ukudaywa kwevat, ukucocwa kokuncitshiswa, ukuprinta nokuhluba, ukuxutywa kwelaphu elukiweyo.
2. Ikwasetyenziswa kwi-bleaching paper pulps , ngakumbi iipulps zoomatshini, yeyona arhente ifanelekileyo yokucoca kwiipulps.
3. Isetyenziselwa ukwenza ibleaching yodongwe lwe-kaolin, ukuxutywa koboya kunye nokunciphisa mhlophe, ukuxutywa kweemveliso ze-bamboo kunye neemveliso zeendiza;
4. Isetyenziswe kwiminerali, i-compound ye-thiourea kunye nezinye i-sulphides.
5. Isetyenziswa njenge-arhente yokunciphisa kwishishini lemichiza.
6. I-sodium hydrosulfite ibakala elongezelelweyo lokutya lisetyenziselwa ukutya, njenge-agent ye-bleaching kunye ne-preservative iziqhamo ezomisiweyo, imifuno eyomileyo, i-vermicelli, i-glucose, iswekile, i-rock sugar, i-caramel, i-candy, i-glucose engamanzi, i-bamboo amahlumela, amakhowa kunye namakhowa asemathinini.