Siyaziqhenya ngokwaneliseka okuphezulu kwamakhasimende kanye nokwamukelwa kabanzi ngenxa yokuphishekela kwethu ikhwalithi ephezulu kokubili kumkhiqizo kanye nensizakalo ye-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!
Siyaziqhenya ngokwaneliseka okuphezulu kwamakhasimende kanye nokwamukelwa kabanzi ngenxa yokuphishekela kwethu ikhwalithi ephezulu kokubili kumkhiqizo kanye nensizakalo, Qiniseka ukuthi uzizwa ukhululekile ukusithumelela imininingwane yakho futhi sizokuphendula ngokushesha. Sineqembu lochwepheshe bobunjiniyela elizosebenzela zonke izidingo eziphelele. Amasampula wamahhala angathunyelwa ukuze avumelane nezidingo zakho mathupha ukuze wazi amaqiniso amaningi. Ukuze uhlangabezane nezifiso zakho, qiniseka ukuthi uzizwa ukhululekile ngempela ukuxhumana nathi. Ungasithumelela ama-imeyili futhi usishayele ucingo ngqo. Ngaphezu kwalokho, samukela ukuvakashelwa efektri yethu kusuka kuwo wonke umhlaba ukuze siqaphele kangcono inkampani yethu. Ebhizinisini lethu nabathengisi bamazwe amaningana, sivame ukunamathela esimisweni sokulingana kanye nenzuzo yokubambisana. Sithemba ukuthi sizomaketha, ngemizamo ehlangene, kokubili ukuhweba kanye nobungane ukuze sizuze sobabili. Silangazelela ukuthola imibuzo yakho.













Ukuhlolwa kwe-Titration yesisombululo se-iodine se-Sodium Sulfide:
Faka i-pipette engu-25 mL yesisombululo se-iodine standard titration ebhodleleni le-iodine elingu-250 mL. Faka u-25 mL wamanzi kanye no-10 mL wesisombululo se-glacial acetic acid.
Ngesikhathi ujikeleza, engeza nge-pipette i-Solution B eyayine-titration ngaphambili (kusukela esinyathelweni sesi-2). I-Titrate nge-sodium thiosulfate standard titration solution kuze kube yilapho i-solution iphenduka iphuzi elikhanyayo. Bese, engeza i-2 mL ye-starch indicator solution bese uqhubeka ne-titration kuze kube yilapho umbala oluhlaza okwesibhakabhaka unyamalala. Qopha ivolumu esetshenzisiwe njenge-V₂.Sodium Sulfide.