Zatsopano, zabwino kwambiri, komanso kudalirika ndiye mfundo zazikulu za bizinesi yathu. Mfundo izi masiku ano ndizo maziko a chipambano chathu monga kampani yapakatikati yogwira ntchito padziko lonse lapansi ya Wholesale Price Factory Price 60% Min Na2s Yellow Flakes Sodium Sulphide Flake Red, Tikukupemphani inu ndi kampani yanu kuti muchite bwino limodzi ndi ife ndikugawana tsogolo lodabwitsa pamsika wapadziko lonse lapansi.
Zatsopano, zabwino kwambiri, komanso kudalirika ndiye mfundo zazikulu za bizinesi yathu. Masiku ano, mfundo izi ndizo maziko a kupambana kwathu monga kampani yogwira ntchito padziko lonse lapansi yapakatikati, zinthu zathu zonse zimatumizidwa kwa makasitomala ku UK, Germany, France, Spain, USA, Canada, Iran, Iraq, Middle East ndi Africa. Katundu wathu amalandiridwa bwino ndi makasitomala athu chifukwa cha khalidwe lawo labwino, mitengo yabwino komanso mawonekedwe abwino. Tikukhulupirira kuti tidzakhazikitsa ubale wamalonda ndi makasitomala onse ndikubweretsa mitundu yokongola kwambiri pamoyo wathu.













Chithandizo ndi Titration ya Sodium Sulfide:
Thirani 200 mL ya yankho B mu botolo la volumetric la 500 mL. Onjezani 40 mL ya yankho la sodium carbonate, 80 mL ya yankho la zinc sulfate, ndi 25 mL ya ethanol motsatizana. Sakanizani ndi madzi mpaka chizindikirocho ndipo sakanizani bwino.
Sefani chisakanizocho, tayani 10 mL yoyamba ya filtrate, kenako thirani 100 mL ya filtrate mu botolo la 500 mL lozungulira. Sodium Sulfide.