Re motlotlo ka khotsofalo e phahameng ea bareki le kamohelo e pharaletseng ka lebaka la ho phehella ha rona boleng bo holimo sehlahisoa le tšebeletso bakeng sa 60% Na2s Fe<30ppm sodium sulphidesulfide cas 1313 82 2, our merchandise have exported to north america, europe, japan, korea, australia, new zealand, russia and other countries. on the lookout ahead create up a fantastic long lasting cooperation along with you in coming foreseeable future!
Re motlotlo ka khotsofalo e phahameng ea bareki le kamohelo e pharaletseng ka lebaka la ho phehella ha rona boleng bo holimo sehlahisoa le tšebeletso bakeng sa, Etsa bonnete ba hore u ikutloa u lokolohile ho re romella litlhaloso tsa hau 'me re tla u araba kapele kamoo ho ka khonehang. Re na le sehlopha sa boenjiniere ba litsebi ho sebeletsa litlhoko tsohle tse felletseng. Mehlala ea mahala e ka romelloa ho latela litlhoko tsa hau ka seqo ho tseba lintlha tse ling. E le hore u ka fihlela litakatso tsa hau, etsa bonnete ba hore u ikutloa u lokolohile ho ikopanya le rona. U ka re romella mangolo-tsoibila le ho re letsetsa ka kotloloho. Ho feta moo, re amohela maeto fekthering ea rona ho tsoa lefats'eng lohle bakeng sa ho tseba haholoanyane mokhatlo oa rona. Khoebong ea rona le barekisi ba linaha tse 'maloa, hangata re latela molao-motheo oa tekano le melemo ea bobeli. Ke tšepo ea rona ho bapatsa, ka boiteko bo kopanetsoeng, khoebo le botsoalle molemong oa rona oa bobeli. Re labalabela ho fumana lipotso tsa hau.













Tlhahlobo ea Titration ea Tharollo ea Iodine ea Sodium Sulfide:
Phaephe ea 25 mL ea tharollo ea titration e tloaelehileng ea iodine ka har'a flask ea iodine ea 250 mL. Kenya 25 mL ea metsi le 10 mL ea tharollo ea glacial acetic acid.
Ha o ntse o potoloha, eketsa ka pipette Tharollo B e neng e se e na le titration pele (ho tloha mohatong wa 2). Titrate ka tharollo ya titration e tloaelehileng ya sodium thiosulfate ho fihlela tharollo e fetoha mosehla o mosehla. Ebe, eketsa 2 mL ya tharollo ya starch indicator mme o tswele pele ka titration ho fihlela mmala o moputsoa o nyamela. Ngola bophahamo ba modumo o jewang e le V₂.Sodium Sulfide.