IṢẸ́ ỌNÀ
ẸWÀ ÀTI ÌLERA
IṢẸ́ ỌWỌ́
ÀṢÀ ÀTI ÌTÀN
ÌṢERÉ
ÀYÍKÁ
OÚNJẸ ÀTI OHUN MÍMU
REVERSE ENGINEERING
SÁYẸ́ǸSÌ
ERÉ ÌDÁRAYÁ
ÌMỌ̀-Ẹ̀RỌ
ÀWỌN OHUN WÍWỌ̀
Nickel Sheet by Electrowinning from Nickel Sulfate
Electrolytic nickel is won from a nickel salt solution: pass a direct current from an inert anode through nickel sulfate solution and the nickel plates out on the cathode. A flat stainless steel plate makes a reusable cathode; when the deposit is thick enough, strip it off as a sheet of nickel.
The picture: our diagram of the cell.
Ilọsíwájú
One to several days
Ìlànà
1
1
Make the solution
Make the solution
Dissolve nickel sulfate in warm water in the tank, about 250 g per litre.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Nickel sulfate hexahydrate2.5 kg
Omi10 lítàÀwọn irinṣẹ́ tí a nílò:
Agbada electrolysis
Òṣùwọ̀n Díjítà Ilé Ìdáná
Ìbọ̀wọ́ Tí Ń Kojú Kẹ́míkà
Gíláàsì ààbò2
2
Hang the electrodes
Hang the electrodes
Hang a clean flat stainless steel plate as the cathode (−) between inert anodes (+), not touching.
Àwọn irinṣẹ́ tí a nílò:
Àwo irin tí kò ń yá
Anode tí kò ṣiṣẹ́Agbada electrolysis3
3
Electrowin
Electrowin
Pass direct current and let the nickel build up on the cathode; see the notebook for how much a given current and time deposit.
Àwọn irinṣẹ́ tí a nílò:
Orísun iná DCÌbọ̀wọ́ Tí Ń Kojú Kẹ́míkà4
4
Strip the sheet
Strip the sheet
Lift out the cathode, rinse it, and peel the nickel deposit off the stainless plate as a sheet. Clean the plate and use it again.
Àwọn irinṣẹ́ tí a nílò:
Ìbọ̀wọ́ Tí Ń Kojú Kẹ́míkàGíláàsì ààbò5
5
Faraday's law
Faraday's law
Ń ṣí ìwé Jupyter…
Àwọn irinṣẹ́ tó nílò
7- Àyè
Ìtọ́nisọ́nà yìí ń ṣe
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