Peb txaus siab rau qhov kev txaus siab ntawm cov neeg siv khoom thiab kev lees txais dav dav vim peb txoj kev nrhiav kev zoo ntawm cov khoom thiab kev pabcuam rau 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!
Peb txaus siab rau qhov kev txaus siab ntawm cov neeg siv khoom thiab kev lees txais dav dav vim peb txoj kev nrhiav kev zoo ntawm cov khoom thiab kev pabcuam rau, Thov nco ntsoov tias koj xa koj cov lus qhia rau peb thiab peb yuav teb koj sai li sai tau. Peb muaj pab pawg kws tshaj lij los pabcuam rau txhua qhov kev xav tau. Cov qauv dawb tuaj yeem xa tuaj rau koj tus kheej kom paub ntau ntxiv. Yog li koj tuaj yeem ua tau raws li koj xav tau, nco ntsoov tias koj tsis tas yuav tiv tauj peb. Koj tuaj yeem xa email rau peb thiab hu rau peb ncaj qha. Tsis tas li ntawd, peb txais tos cov neeg tuaj xyuas peb lub Hoobkas los ntawm thoob plaws lub ntiaj teb kom paub zoo dua txog peb lub tuam txhab. Thiab cov khoom. Hauv peb txoj kev lag luam nrog cov tub lag luam ntawm ntau lub tebchaws, peb feem ntau ua raws li lub hauv paus ntsiab lus ntawm kev sib luag thiab kev sib pab. Nws yog peb txoj kev cia siab los ua lag luam, los ntawm kev sib koom tes, ob qho tib si kev lag luam thiab kev phooj ywg rau peb qhov kev sib pab. Peb tos ntsoov yuav tau txais koj cov lus nug.













Kev Tshuaj Xyuas Iodine Solution Titration ntawm Sodium Sulfide:
Muab 25 mL ntawm cov tshuaj iodine titration rau hauv lub raj mis iodine 250 mL. Ntxiv 25 mL dej thiab 10 mL ntawm cov tshuaj glacial acetic acid.
Thaum koj tig lub raj mis, ntxiv cov kua B uas tau titrated ua ntej (los ntawm kauj ruam 2) ntawm lub raj mis. Titrate nrog cov kua sodium thiosulfate titration txheem kom txog thaum cov kua hloov mus ua daj ntseg. Tom qab ntawd, ntxiv 2 mL ntawm cov kua qhia hmoov txhuv nplej siab thiab txuas ntxiv titration kom txog thaum cov xim xiav ploj mus. Sau qhov ntim uas siv ua V₂.Sodium Sulfide.