Tinodada nekugutsikana kukuru kwevatengi uye kugamuchirwa kwakakura nekuda kwekugara tichitsvaga mhando yepamusoro yezvinhu uye sevhisi ye60% 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!
Tinodada nekugutsikana kukuru kwevatengi uye kugamuchirwa kwakakura nekuda kwekugara tichitsvaga mhando yepamusoro pazvigadzirwa nebasa. Ita shuwa kuti munonzwa musina muripo kuti mutitumire zvamunoda uye tichakupindurai nekukurumidza. Tine timu yehunyanzvi yeinjiniya yekushandira zvese zvinodiwa. Mienzaniso yemahara inogona kutumirwa kuti ienderane nezvamunoda iwe pachako kuti uzive zvakawanda. Kuti mukwanise kuzadzisa zvido zvenyu, iva nechokwadi chekuti munonzwa musina muripo kutibata. Munogona kutitumira maemail uye kutifonera zvakananga. Pamusoro pezvo, tinogamuchira kushanya kufekitori yedu kubva kumativi ese epasi kuti tizive zviri nani kambani yedu. Mukutengeserana kwedu nevatengesi venyika dzakasiyana siyana, tinowanzo tevedzera musimboti wekuenzana uye kubatsirana. Tariro yedu ndeyekushambadzira, nekushanda pamwe chete, kutengeserana uye hushamwari kuti tibatsirenane. Tinotarisira kuwana mibvunzo yenyu.













Kuongororwa kweSodium Sulfide mumhinduro yeIodine:
Isa 25 mL ye iodine standard titration solution mu 250 mL iodine flask. Wedzera 25 mL yemvura uye 10 mL ye glacial acetic acid solution.
Paunenge uchitenderera, wedzera nepipette Mhinduro B yakamboiswa tit (kubva padanho rechipiri). Titrate ne sodium thiosulfate standard titration solution kusvika mhinduro yachinja yero. Wobva wawedzera 2 mL ye starch indicator solution woramba uchiiisa titration kusvika ruvara rwebhuruu rwapera. Nyora huwandu hwashandiswa seV₂.Sodium Sulfide.