Obi dị anyị ụtọ maka afọ ojuju dị elu nke ndị ahịa na nnabata sara mbara n'ihi na anyị na-achụso ịdị mma dị elu ma na ngwaahịa ma na ọrụ maka 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!
Obi dị anyị ụtọ maka afọ ojuju dị elu nke ndị ahịa na nnabata sara mbara n'ihi na anyị na-achụso ngwaahịa na ọrụ dị elu mgbe niile, ma n'ihi na ị na-enweta ezigbo ngwaahịa ma n'ihi na ị na-enweta ezigbo ngwaahịa, anyị ga-aza gị ozugbo. Anyị nwere ndị ọkachamara injinia iji nye ọrụ maka mkpa niile dị mkpa. Enwere ike izipu ihe nlele n'efu ka ha dabara na mkpa gị iji mara ọtụtụ ihe. Ka i wee mezuo ọchịchọ gị, jide n'aka na ị ga-enweta ezigbo ego ịkpọtụrụ anyị. Ị nwere ike izipu anyị ozi-e ma kpọọ anyị ozugbo. Na mgbakwunye, anyị na-anabata nleta na ụlọ ọrụ anyị site n'akụkụ ụwa niile maka ịmatakwu banyere ụlọ ọrụ anyị na ngwaahịa anyị. N'azụmahịa anyị na ndị ahịa nke ọtụtụ mba, anyị na-agbaso ụkpụrụ nke nha nhata na uru ibe anyị. Ọ bụ olileanya anyị ịzụ ahịa, site na mbọ ọnụ, ma azụmaahịa ma ọbụbụenyi maka uru anyị abụọ. Anyị na-atụ anya ịnweta ajụjụ gị.













Nnyocha nke Sodium Sulfide nke ngwọta iodine:
Tinye Pipette 25 mL nke ihe ngwọta iodine ọkọlọtọ n'ime karama iodine 250 mL. Tinye 25 mL nke mmiri na 10 mL nke ihe ngwọta glacial acetic acid.
Mgbe ị na-agbagharị, tinye ya na pipette nke a na-akpọ "Solution B" (site na nzọụkwụ nke abụọ). Jiri "sodium thiosulfate" nke a na-akpọ "Titration" nke ọma ruo mgbe "sodium thiosulfate" ga-acha odo odo. Mgbe ahụ, tinye 2 mL nke "starch indicator" nke ihe na-egosi starch ma gaa n'ihu na "titration" ruo mgbe "blue color" ga-apụ n'anya. Dee olu e riri dị ka "V₂.Sodium Sulfide".