Hunhu hwakanaka hunouya pakutanga; sevhisi ndiyo inonyanya kukosha; kambani ibasa rekushandira pamwe” ndiyo pfungwa yedu yebhizinesi iyo inogara ichicherechedzwa uye ichiteverwa nesangano redu reLeather/Mine Industry Factory Na2s CAS 1313-82-2 Sodium Sulfide, Tinotenda kuti sevhisi yedu yehunyanzvi uye yehunyanzvi ichakuunzirai zvinoshamisa pamwe nerombo rakanaka.
Hunhu hwakanaka hunotanga; sevhisi ndiyo inonyanya kukosha; kambani ibasa rekushandira pamwe” ndiyo pfungwa yedu yebhizinesi iyo inogara ichicherechedzwa uye ichiteverwa nesangano redu. Ndapota inzwa wakasununguka kutitumira zvaunoda uye tichakupindura nekukurumidza. Tine boka reinjiniya rine ruzivo rwekushandira zvinoenderana nezvaunoda. Mienzaniso yemahara inogona kutumirwa kuti ienderane nezvaunoda iwe pachako kuti unzwisise rumwe ruzivo. Kuti ugutse zvaunoda, unofanirwa kunzwa wakasununguka kutaura nesu. Unogona kutitumira maemail uye kutibata zvakananga. Uyezve, tinogamuchira kushanya kufekitori yedu kubva kutenderera pasirese kuti tizive zviri nani sangano redu. Mukutengeserana kwedu nevatengesi venyika dzakawanda, tinowanzo tevedzera musimboti wekuenzana uye kubatsirana. Itariro yedu chaiyo kushambadzira, nekushanda pamwe chete, kutengeserana kwega kwega uye hushamwari kuti tibatsirenane. Tinotarisira kuwana mibvunzo yako.













Kugadzirira Sodium Sulfide uye Kugadzirisa Iodine Standard Solution:
Iodine Stock Solution c(½I₂) = 0.10 mol/L: Huremu 40.0 g yepotassium iodide uye 12.7 g yeayodini. Nyungudutsa mumvura diki, wobva wasanganisa kusvika 1 L nemvura. Wedzera madonhwe matatu ehydrochloric acid, chengeta mubhodhoro rebrown, wochengeta munzvimbo ine rima. Gadzirisa mwedzi wega wega ne sodium thiosulfate solution. Sodium Sulfide.