Ubwino umabwera poyamba; utumiki ndiye chinthu chofunika kwambiri; kampani ndiye mgwirizano” ndi nzeru yathu ya bizinesi yomwe imatsatiridwa nthawi zonse ndi bungwe lathu la Leather/Mine Industry Factory Na2s CAS 1313-82-2 Sodium Sulfide, Tikukhulupirira kuti ntchito yathu yabwino komanso yaukadaulo idzakubweretserani zodabwitsa zosangalatsa komanso mwayi.
Ubwino umabwera poyamba; utumiki ndiye chinthu chofunika kwambiri; kampani ndiye mgwirizano” ndi nzeru yathu ya bizinesi yomwe imatsatiridwa nthawi zonse ndi bungwe lathu kuti, Chonde khalani omasuka kutitumizirani zofunikira zanu ndipo tidzakuyankhani mwachangu. Tili ndi gulu la akatswiri odziwa bwino ntchito zauinjiniya kuti lizigwira ntchito pa zosowa zanu zonse. Zitsanzo zaulere zitha kutumizidwa kuti zigwirizane ndi zosowa zanu kuti mumvetse zambiri. Pofuna kukwaniritsa zosowa zanu, muyenera kukhala omasuka kulankhulana nafe. Mutha kutitumizira maimelo ndikulankhulana nafe mwachindunji. Komanso, timalandira alendo ochokera padziko lonse lapansi kuti tidziwe bwino za bungwe lathu. Mu malonda athu ndi amalonda ochokera m'maiko ambiri, nthawi zambiri timatsatira mfundo ya kufanana ndi kupindulitsana. Ndi chiyembekezo chathu kugulitsa, mogwirizana, malonda ndi ubwenzi uliwonse kuti tipindule tonse. Tikuyembekezera kulandira mafunso anu.













Kukonzekera ndi Kukhazikitsa Njira Yokhazikika ya Iodine ndi Sodium Sulfide:
Iodine Stock Solution c(½I₂) = 0.10 mol/L: Yesani 40.0 g ya potaziyamu iodide ndi 12.7 g ya ayodini. Sungunulani m'madzi pang'ono, kenako sungunulani mpaka lita imodzi ndi madzi. Onjezani madontho atatu a hydrochloric acid, sungani mu botolo la bulauni, ndikusunga pamalo amdima. Yesani mwezi uliwonse ndi yankho la sodium thiosulfate. Sodium Sulfide.