Questions tagged [iron]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
1 answer
50 views

Purifying ferrous sulfate

For my wood staining experiments I have purchased 1 kilo of ferrous sulphate as a source of iron(II). It turned to be quite oxidised (yellowish) and the its solution is muddy yellow instead of green. ...
user avatar
  • 111
0 votes
1 answer
37 views

Melting stainless steel (or high carbon steel in general) by artisanal techniques (forge welding)?

Here is a new question about the making of Japanese knives (you can find the first two here and here). According to many sources, the best Japanese knives are made in a traditional way with forge ...
user avatar
0 votes
1 answer
199 views

What kind of defects can I find in a knife made of high-carbon steel with a wooden handle?

I'm still studying the japanese knifes and must now prevent the different defects that could appear in this tool. I concider a high-carbon steel blade with a wooden handle, with the size of a Sakai ...
user avatar
4 votes
1 answer
114 views

How can warm steel and wood merge together?

I need to describe the manufacturing of japanese knives. I struggle with the step when the steel blade is put together with the wooden handle. Here are some pictures from the video https://www.youtube....
user avatar
-2 votes
1 answer
41 views

Why doesn’t ferrous sulfate appear orange in vinegar?

When I mix ferrous sulfate crystals with water, the solution almost immediately turns orange. However, when I mix ferrous sulfate with vinegar, it doesn’t change colors. Why is this?
user avatar
-4 votes
1 answer
34 views

Separation methods [closed]

I put some iron nails in water, and obviously, those started oxidizing, making those hydrogen bubbles. Some days after, the water was orange, indicated that the FeO has just dissolved in it. I found ...
user avatar
-1 votes
1 answer
46 views

Can a plain sheet of stainless steel adhering to the 316 grade be regarded as food safe at every finish level?

My question is not purely about chemistry but it definitely involves it. I was looking for a while to buy a food-grade stainless steel plate that would fit my home pizza gas oven (to have the dough ...
user avatar
  • 27
7 votes
4 answers
2k views

Do I need to 'neutralise' iron/steel/metal with a base after removing rust with acid?

I've never asked a question here before but these forums seem to have some extremely knowledgeable people so I thought I'd give it a try. I know it's a 1st grade question but I honestly don't have the ...
user avatar
  • 81
1 vote
0 answers
67 views

The use of "splitting" in 17th century ironmaking?

I'm reading a book about spycraft in the 1650s. At that time Sweden was taking over the iron industry so England sent a spy to learn the new technique. The technique is called "splitting" ...
user avatar
0 votes
0 answers
17 views

What will be easier reduced: ferric oxihydroxide or Fe(III)oxide?

related to the productivity potential of methanogenic bacteria in anaerobic conditions where iron oxides are present, is there a difference between ferric oxihydroxide and Fe(III)oxide regarding their ...
user avatar
0 votes
1 answer
64 views

What is a better method when finding the iron content in spinach: Using titration or a spectrometer?

For my chemistry experiment, I want to boil spinach in water for different timings. Using the water that is left after boiling it, I was to determine the amount of iron content in the water solution. ...
user avatar
1 vote
0 answers
25 views

Specifically how does the presence of moisture and oxygen affect the yield of ferrocene? [closed]

In a lab this week at uni we made ferrocene (I'm a second year Chemistry student). This was done by reacting nBuLi with cyclopentadiene (kept in freezer) to create the Cp anion in-situ. To this ...
user avatar
  • 19
-1 votes
1 answer
47 views

How can one change the color of Iron Oxide by changing the composition or hydration?

How does the color of rust change depending on its makeup and state, or more to the point, how would one put the rust into that state? For example, Wikipedia shows Iron(III) Oxide as being red in the ...
user avatar
  • 121
1 vote
0 answers
41 views

Equilvalence point in redox Titration of Fe(II) and Fe(III) with Reinhardt-Zimmermann solution

In the lab at university, we need to conduct a simultaneous determination of iron(II) and iron (III) ions using potassium permanganate solution. In the first step, we just fill up our given sample ...
user avatar
-6 votes
1 answer
56 views

Can someone explain this answer in detail? [closed]

The density of iron is $\pu{7.874 g/cm3}$ and its unit cell volume is $\pu{2.364E-23 cm3}$. These values indicate that there are: two Fe atoms per unit cell and the metal is body-centered cubic. I am ...
user avatar
  • 1
0 votes
0 answers
52 views

How to prepare a solution of Ferrous Iron?

I need to prepare a solution of Ferrous Iron (Fe2+). This solution will be used to test a water filtration system by simulating the Ferrous Iron that is sometimes present in well water. The system is ...
user avatar
10 votes
3 answers
2k views

How can steel be so different from iron, even if amount of carbon is small?

Perhaps I am too naive, but I am having a hard time visualizing how even 'high-carbon' iron and steel alloys are maybe, at most, about four percent carbon by mass, which still means only one (smaller) ...
user avatar
  • 1,655
0 votes
1 answer
42 views

What is the effect of H2O2 on SPIONs?

I have a system contains super paramagnetic iron oxide nanoparticles (SPIONs) either Fe3+ or Fe2+. I need to introduce hydrogen peroxide to the system but i am not sure about its effect to the SPIONs ...
user avatar
7 votes
2 answers
661 views

Can hydrogen peroxide reduce ferric ion to ferrous ion?

I have studied that hydrogen peroxide always oxidizes ferrous ion to ferric ion (source of study : NCERT Chemistry Part II, Textbook for Class XI), but a question came in IIT JEE 2015 which states: ...
user avatar
  • 365
3 votes
1 answer
93 views

Cationic vacancies created when non-stoichiometric iron oxide is doped with silicon(IV) ions

Problem It is believed that non-stoichiometric compound $\ce{F_{0.93}O}$ forms by doping of $\ce{Fe^3+}$ ions in $\ce{FeO}$ crystal by replacement of $\ce{Fe^2+}$. Calculate the number of cationic ...
user avatar
1 vote
1 answer
36 views

Forcing a steel pipe to rust completely

I understand rust. Fe + H20 → OH- → Fe(OH)2 or 3 and/or FenOm I understand rust prevention and steels that are resistant to rusting. Trying to google this question gives thousands of answers on ...
user avatar
  • 121
1 vote
0 answers
66 views

How to completely remove Iron II Acetate from a steel surface through a chemical reaction?

Is there any suggestion to completely remove iron II acetate from a zinc-alloy steel surface? It can't be something abrasive, or if it is, it must be completely soluble. Background: My bike chain, ...
user avatar
  • 11
0 votes
1 answer
210 views

The rusting of steel may be promoted by brushing with HCl followed by brushing with hydrogen peroxide solution. What is the chemistry involved?

A welder showed me a way of promoting rust on steel by brushing on muriatic acid and then a hydrogen peroxide / water solution. What's going on, chemically speaking?
user avatar
0 votes
1 answer
46 views

When Iron reacts with any other species, how will we know that the reaction will be of Fe(II) or Fe(III) i.e. of ferrous or ferric? [closed]

Like when iron reacts with water there forms iron oxide and hydrogen but how'll we come to know which of three equation will be right equation for reaction? $$\ce{Fe + H2O → FeO + H2}$$ $$\ce{2Fe + ...
user avatar
0 votes
1 answer
141 views

Water solubility of different types of Iron III

For an experiment I require an aqueous solution of Iron(III). My school has the following compounds, which of them are water soluble? I believe that only Iron(III) oxide is insoluble, but I would like ...
user avatar
1 vote
1 answer
133 views

What happens when FeF3 is reacted with benzene? [closed]

My text book says that halobenzenes can be prepared by aromatic substitution on benzene ring by using Fe or FeX3 as Lewis acid but this method isn't useful for preparation of fluoro benzene because of ...
user avatar
1 vote
1 answer
62 views

How can I make a lot of microscopic rods of metal?

I want to make around 40-200 g of metal cylinders that would ideally have a length of around 1-100 μm in size (smaller preferred). The rods will be made of some ferromagnetic material such as Iron or ...
user avatar
1 vote
2 answers
73 views

Easiest/Fastest way to obtain a good quantity of fine Iron powder? [closed]

I am wanting to make a reasonable quantity (10-100g) of iron powder that I can use to visualise magnetic fields (by putting the powder in a thin layer between two transparent materials). The finer the ...
user avatar
-1 votes
1 answer
559 views

Are those magnetic iron filings in the dirt pure iron?

When I was a kid we used to drag magnets around in the dirt and collect "iron filings". Are they pure iron, or something else?
user avatar
  • 9
-1 votes
1 answer
446 views

Iron and copper oxide for thermite

I recently successfully made thermite from iron oxide powder and aluminum powder. However, I have a couple of questions about copper and iron oxides. The kind of iron oxide that is made by ...
user avatar
1 vote
2 answers
73 views

Oven safe dessiccant?

Im sure there is a chemist/lab tech that knows a simple solution to my problem, as I cant seem to find a solution. When trying to strip and re-season cast iron cookware, I occasionally have problems ...
user avatar
  • 119
-3 votes
1 answer
525 views

What is the difference between pig iron and wrought iron? [closed]

I mean, I know the difference in the properties.. but how are they produced? what is the difference in the method of production?
user avatar
  • 1
-2 votes
1 answer
349 views

Rusting of iron is quicker in saline water than in ordinary water [duplicate]

I feel so because, saline water has more more electrons and because of that there will be oxidation will take place faster and hence the overall process will speed up. Is this explanation good enough ...
user avatar
  • 151
1 vote
2 answers
53 views

How can I have iron powder without a fast reaction with oxygen? [closed]

I've seen this video in which fine iron powder reacts immediately with oxygen when exposed to the air, turning into rust. Now, will this reaction always occur with iron powder? Or is there something ...
user avatar
2 votes
3 answers
272 views

Trying to understand the chemistry in an iron carbon battery

I am trying to understand the chemistry that occurs in an iron carbon battery during charging. The negative electrode is iron, the positive electrode is carbon. The electrolyte is iron(II) chloride. ...
user avatar
-1 votes
2 answers
64 views

Feasibility question: Is the following presented chemistry leading to very dilute H2O2 with fast created radicals, effective H2O2? [closed]

I start by noting that, theoretically starting by the action of oxygen on acidic FeCl2, one can form in situ hydrogen peroxide and other reactive oxygen species, albeit in very small amounts. The ...
user avatar
  • 4,725
5 votes
1 answer
1k views

Does Fe(CO)6 really exist?

I was given a question to draw the structure of $\ce{Fe(CO)6}$ and tell the hybridization. Hybridization came out to be $\ce{sp^3d^2}$ and structure as Octahedral. But does $\ce{Fe(CO)6}$ really exist?...
user avatar