Boqapi, bokhabane le botšepehi ke litekanyetso tsa mantlha tsa khoebo ea rona. Melao-motheo ena kajeno ho feta leha e le neng pele e theha motheo oa katleho ea rona re le k'hamphani e mafolofolo ea boholo bo mahareng ea machabeng bakeng sa Theko e Theko e Theko e Theko e Fektheri 60% Min Na2s Yellow Flakes Sodium Sulphide Flake Red, Re u mema le k'hamphani ea hau ho atleha hammoho le rona le ho arolelana bokamoso bo khanyang bo ka bonoang 'marakeng oa lefats'e ka bophara.
Boqapi, bokhabane le botšepehi ke boleng ba mantlha ba khoebo ea rona. Melao-motheo ena kajeno ho feta leha e le neng pele e theha motheo oa katleho ea rona re le k'hamphani e mafolofolo ea machabeng ea boholo bo mahareng bakeng sa, Lintho tsohle tsa rona li romeloa ho bareki ba UK, Jeremane, Fora, Spain, USA, Canada, Iran, Iraq, Bochabela bo Hare le Afrika. Thepa ea rona e amoheloa hantle ke bareki ba rona ka lebaka la boleng bo holimo, litheko tse hlōlisanang le mekhoa e metle ka ho fetisisa. Re tšepa ho theha kamano ea khoebo le bareki bohle le ho tlisa mebala e metle haholoanyane bophelong.













Kalafo le Titration ea Sodium Sulfide:
Pipette 200 mL ea Tharollo B ka har'a flaske ea volumetric ea 500 mL. Kenya 40 mL ea tharollo ea sodium carbonate, 80 mL ea tharollo ea zinc sulfate, le 25 mL ea ethanol ka tatellano. Hlakola ka metsi 'me u kopanye hantle.
Sefa motsoako, lahla 10 mL ea pele ea filtrate, ebe u tšela 100 mL ea filtrate ka har'a flask ea 500 mL e kobehileng. Sodium Sulfide.