1. Fuafuaina o Sodium Hydroxide
Ile vaitaimi e lua masina, e lua faʻataʻitaʻiga na suʻesuʻeina tutusa a o suʻesuʻeina le faʻataʻitaʻiga mo le tagata faʻatau. O iʻuga suʻesuʻega o le pito i lalo ole Sodium Hydroxide mea na masani ona tumau, aʻo le feʻaveaʻiga o le maualuga o le sodium hydroxide mea na i totonu. ± 0.2g /L O le maualalo fuaina faʻamatalaga o le cyanide apamemea plating fofo, o le vaega tele faʻatumuina o sodium hydroxide o 1.4 g / L, o le maualuga faʻamaumauga o zincate metala paʻepaʻe plating fofo, o le vaega tele faʻasologa o sodium hydroxide o 190.6 g / L.
2. Fuafuaina o Carbonate
E lua masina na fai ai le suʻega o auala uma e lua. O le auiliiliga faʻaiuga o le sodium carbonate ei ai se mimilo o±2g / L, lea e mafai ona faʻaaogaina o se faʻasino mo le gaosiga o taʻiala. O le aofaʻi laʻititi o faʻamaumauga o le tali atu i le kopa o le sianide plating solution, o le vaega tele o le sodium carbonate o le 42.0 g / L, o le maualuga o faʻamatalaga o le cyanide plating silver solution, o le vaega tele faʻalaʻitiitiina o le potassium carbonate o le 91.1 g / L.
3. Lapataiga
1) Faʻalogo i le aofaʻi o reagent faʻaopopo. I le faʻamautuina o le sodium hydroxide, o le pH o le Calcium Chloride ma le Barium Chloride e iai sona aʻafiaga i le faʻaiuga o le sodium hydroxide. O faʻafitauli uma e lua o loʻo i ai le taua o le pH e tusa ma le 5.5, ona o le tuʻufaʻatasia o le reolent hydrolysis ma faʻamaʻapeina le vai faʻasili i totonu o le carbon dioxide. faʻaputuputuina carbonate, lea e maua ai le faʻaiʻuga maualalo.
2) Faʻalogo totoʻa i le tulaga lelei o reagents. O nisi Calcium Chloride reagent, sauniuniga fofo e laʻititi fefiloi i le moli mumu, pH i le sili atu i le 8, le manaʻoga e faʻamama ma fetuʻunaʻi le pH, faʻamama ese mea leaga e pei o uʻamea oxide.
3) O le vaega tele faʻatulagaina o le reagent sauniuniga. O le mamafa faʻatapulaʻa o le mamafa o le Calcium Chloride e laititi atu nai lo le Barium Chloride. O le Calcium Chloride solution ma le tutusa faʻatulagaina e pei o le 100g / BaCl2·2H2O fofo o le 46g / L anhydrous Calcium Chloride, 60g / L Calcium Chloride dihydrate ma le 90g / L Calcium Chloride hexahydrate. E tusa ai, 60g / L anhydrous Calcium Chloride poʻo le 90g / L hexahydrate Calcium Chloride e fautuaina.
4) Togafitiga o otaota valevale. O nisi auiliiliga aitema e le mafai ona vavaeʻese mai Barium Chloride, pe a maeʻa ona faʻaaoga e faʻalogo i le togafiti o le suavai, pe a fai o le faʻaopopoina o le dilute sulfuric acid poʻo le sulfate e fausia ai Barium Sulfate e le oona, falemaʻi fluoroscopic Barium taumafataga sui sooupu o barium sulfate, e mafai ona ulufale i le gastrointestinal tract, e le afaina ai le tino o le tagata. O le paʻu paʻu faʻaaogaina i le suauʻu fanua e faʻatonutonu ai le feula o le barium sulfate foi, o lona uiga e siʻosiʻomaga agalelei.
4 . Itoʻatele
1) Suʻesuʻega o le sodium hydroxide i le alkaline electroplating solution, Calcium Chloride e mafai ona suia le Barium Chloride, faʻalogo i le aofaʻi ua faʻaopopoina; I le suʻesuʻega o le Sodium Carbonate, e manaʻomia e faʻateleina laʻasaga o le faʻamamaina o le Calcium hydroxide ma le hydrochloric acid pe a uma le faʻasusu.
2) faʻalogo i le lelei o le Calcium Chloride, fai le faʻamamaina talafeagai ma fetuʻunaʻiga.
3) e tusa ai ma manaʻoga faʻapitoa o le filifiliga o Barium Chloride poʻo le Calcium Chloride, e tatau ona faʻaaoga le Barium Chloride, e faia ai se galuega lelei o le suavai lafoai togafitiga.
Taimi lafoina: Ian-27-2021