Gin ma dwoko piny: Sodium Hydrosulfite
Nying gin ma ki lwongo ni Chemical: Sodium dithionite.
Ka kiporo ki jami ma weko yamo bedo maleng, sodium hydrosulfite kelo peko manok i kom bongo. Ki twero tic kwede i kom bongo ma ki yubu ki jami ma pat pat labongo kelo peko, pi meno ki keto nying ni "hydrosulfite" (ma nyutu ni ber). En tye gin ma ki lwongo ni white sandy crystalline onyo light yellow powder chemical substance. En balo i 300°C (lyet i 250°C), pe twero gonyo i ethanol, gonyo i sodium hydroxide solution, ki rwate ki pii matek, ma kelo lyel.
Kit me gwoko rwom me sodium sulfite wa tye matek atika, ki dul acel acel tye ka kato ki i yub me neno pa jami ma ki yubu. Dii kany me nongo lok maber.