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Herr Haber
International Hazard
Posts: 1236
Registered: 29-1-2016
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If you decide on making some iron cement (which contains S and Fe) dont be a lazy ass and go get water. Do not use the vinegar in front of you even if
it contains mostly water !
Sorry Sulaiman, that was meant for the idiot me from 30 years ago who knew about FeS but didnt think a lot about what he was doing 
The spirit of adventure was upon me. Having nitric acid and copper, I had only to learn what the words 'act upon' meant. - Ira Remsen
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Sulaiman
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my plan is to
investigate the stoichiometry a little as I read that FeS is commonly slightly stoichiometrically deficient in Fe,
so first I'll try a stoichiometric mix of Fe and S, (at about one molar scale) and measure weight loss,
then try to quantify the amount of H2S produced with HCl and a small sample
by precipitating a metal sulphide and weighing it,
then try again with excess sulphur.
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The bulk of the FeS produced will be stored for later production of H2S
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Because I'm not at home with all my chem. stuff but staying at my sister-in-law's house,
I have to plan H2S and SO2 safety even more carefully than normally.
(I'm not ready yet)
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@Herr Haber :
All warnings gratefully received, especially anecdotes that make me feel I'm not alone
I'm still at the stage where a little knowledge may be dangerous ... never too old to do dumb stuff 
[Edited on 3-10-2020 by Sulaiman]
CAUTION : Hobby Chemist, not Professional or even Amateur
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TriiodideFrog
Hazard to Others
Posts: 108
Registered: 27-9-2020
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Glad my suggestion could help.
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TriiodideFrog
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Posts: 108
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If you are interested, you can try making iron chloride. Ferrous chloride is prepared by addition of iron powder to a solution of hydrochloric acid in
methanol. This reaction gives the methanol solvate of the dichloride, which upon heating in a vacuum at about 160 °C converts to anhydrous FeCl2. The
net reaction is shown: Fe + 2 HCl → FeCl2 + H.
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Cou
National Hazard
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Registered: 16-5-2013
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Making iron pentacarbonyl by streaming carbon monoxide gas over iron powder.
https://en.wikipedia.org/wiki/Iron_pentacarbonyl
You can generate carbon monoxide from decomposition of formic acid.
I'm not sure about safety. I don't have a fume hood, but I would hope it's safe to do outside with ventilation.
Using the search function, you can find directions to sources with more detail on this interesting coordination compound.
[Edited on 10-3-2020 by Cou]
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TriiodideFrog
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Yes, if you need iron pentacarbonyl. However, be careful with formic acid. Its fumes often give me a headache.
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Tsjerk
International Hazard
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When making iron pentacarbonyl a formic acid headache should be one of your lesser worries.
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