All Questions
Tagged with corrosion inorganic-chemistry
10
questions
-2
votes
1
answer
331
views
What is causing rust-like stains on my stainless steel appliances? [closed]
Two weeks ago we discovered that our new Kohler faucet was leaking under the sink in our lanudry room adjacent to our kitchen. We shut off the water and have not used the sink. It apparently was ...
- 9
3
votes
0
answers
85
views
Is hydrochloric acid or sulfuric acid more corrosive to titanium?
Which acid is more corrosive to titanium at 20 to 30 °C and similar concentrations: hydrochloric acid $\ce{HCl}$ or sulfuric acid $\ce{H2SO4}$?
I found some info on AZoMaterials — Titanium - Corrosion ...
- 131
0
votes
3
answers
535
views
Does iron rust because of impurities found in it (ex. carbon)?
If we, theoretically, get a piece of ideally 100% pure iron and it is left in moist air? Will it rust? My understanding of iron rust is that the Iron itself becomes the ANODE and carbon impurities (as ...
- 21
1
vote
0
answers
138
views
Why is aluminum oxide resistant to corrosion?
It is common knowledge that aluminum is relatively resistant to corrosion due to its tough oxide layer. The ultrathin (1 nm even) layer is impervious to water and oxygen. What I can't figure out is, ...
- 387
8
votes
1
answer
1k
views
Why does the corrosion of a steel nail develop iron ions in the ends of the nail and hydroxide in the middle of the nail?
We did an experiment in school where we put a steel nail in a solution consisting of:
1 g agar;
100 ml water;
100 ml indicator solution (which gets blue whenever $\ce{Fe^2+}$ is created and red when $...
- 81
3
votes
1
answer
368
views
What materials are resistant to hot chlorine?
I'm looking to do an experiment involving hot chlorine gas (900 Celsius), however at the moment the only material I'm aware of that could cope with this is Hastelloy's C-22 alloy. What other ...
- 207
1
vote
0
answers
65
views
"Hairy" corrosion on anodized alu-part in water
I got a water tank with a mechanical assembly in.
The assembly consist of parts of anodized aluminium mounted on stainless steel plates (AISI 304). This is submerged down in fresh water. The tank is ...
- 11
0
votes
4
answers
177
views
How Can I Induce Corrosion Electrochemically?
I'm very interested in measuring corrosion in metal alloys, particularly in salt solutions. I understand metals corrode over time, however, I was wondering if it's possible to electrochemically "speed ...
- 1
1
vote
1
answer
132
views
Can ZnO act as a reducing agent for noble metals like Pd?
Palladium ions (e.g., $\ce{Pd^2+}$) can be reduced to $\ce{Pd}$ by more reactive metals such as zinc. Metal oxides such as $\ce{ZnO}$ are very stable but can its atoms in the oxide structure still be ...
- 21
2
votes
2
answers
3k
views
Can hydrofluoric acid etch glass at a pH of 7.0?
Will it still etch glass when very dilute? Will the reaction still proceed slowly? At what pH will the reaction stop completely?
From Wikipedia on hydrogen fluoride: "Although hydrofluoric acid ...
- 256