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Copper sulfate reduction
(07/03/2012
posted in: Experiments
)
Copper sulfate undergoes complex reactions with ascorbic acid. When a normal solution of copper sulfate is reacted with ascorbic acid, the solution turns a nice green. A tiny amount of copper ... -
Silver Compounds in Light
(06/03/2012
posted in: Experiments
)
Silver halides are light sensitive, making them useful for old-time film photography. Silver chloride, a white solid, has the quickest reaction with light. It turns purplish after about one minute ... -
Copper(II) Chloride - Dissolution of Metals
(05/03/2012
posted in: Experiments
)
Copper(II) chloride has a unique ability to partially remove the protective oxide layers from aluminium. Copper sulfate, a more common copper compound, does not behave this way with aluminium. Why ... -
Titanium Troubles
(05/03/2012
posted in: Elements
)
I recently purchased some titanium foil from GalliumSource. They sent magnesium. My first inkling of a problem was an extremely vigorous reaction between the foil and hydrochloric acid. It also ... -
Zinc arcing
(04/03/2012
posted in: Elements
)
Sometime in the past I passed 50 volts of electricity through a thin piece of zinc. The hot arc melted and boiled the zinc, sending molten zinc everywhere. Once the zinc even ignited and burned ... -
Storing Mercury
(03/03/2012
posted in: Elements
)
I had two old mercury thermometers. Now there is one. Outdoors, I broke open a mercury thermometer and placed the majority of the mercury in a vial. To seal the vial, I placed petroleum jelly ... -
Comproportionation Reaction
(02/03/2012
posted in: Experiments
)
A comproportionation reaction sounds extremely complicated. In reality it is quite simple.Two differently charged atoms orr ions of the same element react to form two equally charged ions. Three ... -
More indium reactions
(01/03/2012
posted in: Experiments
)
Indium is placed in a dilute copper(II) chloride solution. The indium instantly becomes coated with a steadily thickening layer of copper metal. The copper solution gradually clears over the ... -
Rayon Production
(01/03/2012
posted in: Experiments
)
I saw an interesting experiment where cellulose (paper or wood) is dissolved in a cuprammonium hydroxide solution. This is then squirted into hydrochloric acid to form thin threads of the fabric ... -
The Destruction of Chemicals
(29/02/2012
posted in: Experiments
)
The disposal of some chemicals requires their destruction in many cases to make their disposal safer. Cyanides: Cyanides are prone to oxidation. Reaction of cyanide-containing waste with sodium ... -
Iron Thiocyanate Complex
(28/02/2012
posted in: Experiments
)
Today in my chemistry class I performed a lab which involved reaction of iron(III) nitrate with potassium thiocyanate solution to form a colored complex which is measured spectroscopically. ... -
Periodate Production
(28/02/2012
posted in: Experiments
)
The production of sodium periodate is very simple. You need tincture of iodine and sodium hypochlorite. Add the sodium hypochlorite to the tincture of iodine. The triiodide ion is oxidized to ... -
Copper(II) bromide complex
(28/02/2012
posted in: Experiments
)
I once dissolved sodium bromide in a concentrated HCl-acidified solution of copper(II) chloride. The solution turned brown as a copper(II) bromo complex was produced. When diluted with water, a ... -
Indium dissolution and reduction
(27/02/2012
posted in: Experiments
)
I am currently dissolving a bit indium in hydrochloric acid. The bubbling starts slow (like the speed of tin) and then speeds up to the speed of the dissolution of iron. This is expected based on ... -
Beryllium Dissolution
(26/02/2012
posted in: Experiments
)
I tried dissolving my beryllium lump. Placement in 5% acetic acid resulted in no reaction. In this regard beryllium (and its protective layer) are very similar to aluminium. Placement in ... -
Gallium Alloys
(26/02/2012
posted in: Experiments
)
Recently I produced zinc- and aluminium-gallium alloys. There are two ways to do this with zinc. The first method is to react zinc with an acidic solution of a gallium salt. The gallium produced ... -
Extraction of Iron
(24/02/2012
posted in: Experiments
)
Magnetite is a common iron ore. This ferromagnetic mineral has the chemical formula Fe3O4. Use a strong magnet covered in paper to sift through sand or dry clay powder. A significant number of ... -
Chemistry Diary Summary
(24/02/2012
posted in: Experiments
)
This is the diary of all of the experiments I have done over the winter break. It would be nice if the dozens of pictures found in the diary could be posted online; however, it is a huge effort. ... -
Chemistry Diary Part 7
(24/02/2012
posted in: Experiments
)
1-18 - Use Control + F to find what you want in here Bismuth reactions: The bismuth precipitate has turned pure white upon drying. Reaction with bleach seems to produce no oxidation to the ... -
Chemistry Diary Part 6
(23/02/2012
)
Be sure to only dig up the interesting parts of this rather boring diary. Use Control + F to find what you want in here. 1-11 Chemistry Experiments paper: I started this and am beginning to fill ... -
Basic Chemistry Questions
(23/02/2012
)
Comment on this post with your basic chemistry questions like "I saw a demonstration where HCl was added to a red solution and it turned blue. When water was added, it turned red again. Do you ... -
Indium Tips
(23/02/2012
posted in: Elements
)
To pound indium, do not use an ordinary hammer unless it is new. An old hammer typically contains a large amount of junk on the surface which will all be transferred to the indium. This same thing ... -
More elements
(22/02/2012
posted in: Elements
)
The rest of the elements I purchased from Gallium Source came. The beryllium was in the form of a small sphere. It is dull gray with a somewhat wrinkled skin. The indium was in the form of small ... -
Chemistry Diary Part 5
(22/02/2012
posted in: Experiments
)
1-6 Use Control + F to find what you want in here Aluminium and zinc alloying: The gray residue from the aluminium alloy was dissolved in hydrochloric acid to dissolve the aluminium oxide. Some ... -
Chemistry Diary Part 4
(20/02/2012
posted in: Experiments
)
1-2 Use Control + F to find what you want in here Antimony trioxide production: The removal of most of the lead solution, acidification with hydrochloric acid, and oxidation with hydrogen peroxide ... -
Calcium Metal
(17/02/2012
posted in: Elements
)
I recently made a purchase from Gallium Source LLC. The calcium metal arrived today. It was dry (no paraffin) and had a golden tinge to it, the result of a thin layer of oxide. It is surprisingly ... -
Chemistry Diary Part 3
(17/02/2012
posted in: Experiments
)
12-24 - Use Control + F to find what you want in here Lead iodide reactions: Sodium hypochlorite oxidizes the surface of lead iodide crystals, but not the bulk, making them turn brown. They get ... -
Chemistry Diary Part 2
(14/02/2012
posted in: Experiments
)
12-17 - Use Control + F to find what you want in here Magnet dissolution: The solution has turned the same color as the mischmetal solutions have. The color does not noticeably change when exposed ... -
Chemistry Diary Part 1
(09/02/2012
posted in: Experiments
)
This is the public version of the diary of my personal chemistry experiments. The removal of personal and other sensitive information is marked with “[redacted]”. Use Control + F to find what you ... -
Blog Continuation
(08/02/2012
)
As this blog is far more successful than my current one, I plan to switch back to this one. -
New Blog
(02/09/2011
)
As I begin college, I plan to start a new blog here that is not just about chemistry and experimenting. It will be found at http://lanthanumk.over-blog.com. -
Goodbye
(17/07/2011
)
I am not able to keep up this blog anymore. I would like to thank my readers. Please continue in your chemistry endeavours! You can still contact me by email, which is viewable on my public ... -
Thionyl chloride extraction and properties
(08/07/2011
posted in: Experiments
)
Warning: Thionyl chloride is one of the only easily obtainable chemicals that rates a 4--Extreme Risk on the NFPA diamond for health. Do not bring it in the house in anything but a strong, sealed ... -
How to Obtain Elements--Cobalt
(08/07/2011
posted in: Elements
)
I have compiled a list of sources for the elements that are available to the amateur chemist. Cobalt will be discussed here. Cobalt is the first metal discovered since antiquity. It is a hard ... -
How to Separate Brass
(07/07/2011
posted in: Experiments
)
Warning: Copper and zinc salts are slightly to moderately toxic. Do not ingest them. Hydrochloric acid is corrosive. You will need: Brass Ascorbic acid or sodium metabisulfite Sodium bicarbonate ... -
How to Obtain Elements--Iron
(07/07/2011
posted in: Elements
)
I have compiled a list of sources for the elements that are available to the amateur chemist. Iron will be discussed here. Iron is the most common structural metal in the world. It is very strong, ... -
Separation of an Alnico Magnet
(06/07/2011
posted in: Experiments
)
Warning: Hydrochloric acid is corrosive. The resulting metal chlorides are toxic or carcinogenic. You will need: Alnico magnet Hydrochloric acid 3% or more concentrated Hydrogen peroxide Sodium ... -
How to Obtain Elements--Manganese
(06/07/2011
posted in: Elements
)
I have compiled a list of sources for the elements that are available to the amateur chemist. Manganese will be discussed here. Manganese is a silvery hard corrosion-vulnerable metal. It is not ... -
How to Make Cobalt Oxides
(05/07/2011
posted in: Experiments
)
Warning: Cobalt compounds are toxic and potentially carcinogenic. Do not ingest or inhale them. Bleach fumes may be a problem. The procedures that release chlorine should be done under a fume hood ... -
How to Obtain Elements--Chromium
(05/07/2011
posted in: Elements
)
I have compiled a list of sources for the elements that are available to the amateur chemist. Chromium will be discussed here. Chromium is an extremely shiny bluish-silvery metal in pure form. It ...
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- : 07/06/2011