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Storage containers
I bought standard chemical storage containers (amber glass bottles, plastic bottles, small plastic j ...
14-10-2019 at 10:49
by: hodges
Iron (III) oxide is not soluable in acids?
I had some iron (III) hydroxide that I was going to make iron sulfate from. I inadvertently let it ...
6-10-2019 at 17:56
by: hodges
Who else is a chemistry major with a perilous future
I have a friend who was a chemistry major. He works doing basically mechanical engineering (designi ...
5-10-2019 at 13:09
by: hodges
Chalk composition: CaCO3 vs CaSO4
Years ago, I remember reacting chalk board chalk with an acid and getting CO2. So the chalk I had w ...
2-10-2019 at 14:50
by: hodges
Make Cobalt Chloride from Cobalt Metal?
Baking soda reacting with vinegar gets cold. I'm guessing that has to do with with a gas being rele ...
1-10-2019 at 17:18
by: hodges
Potassium Ferricyanide + Ammonia - Fire/Explosion Hazard?
When I was a teen, I had a chemistry set that had potassium ferrOcyanide (not ferrIcyanide). I reme ...
1-10-2019 at 14:15
by: hodges
Make Cobalt Chloride from Cobalt Metal?
Possibly endothermic overall, but I would still think heating will not be required to get a carbonat ...
1-10-2019 at 14:03
by: hodges
Potassium Ferricyanide + Ammonia - Fire/Explosion Hazard?
http://www.ihcworld.com/royellis/ABCSafe/chemicals/potassium-ferricyanide.htm

[i]Potassium ferric ...
30-9-2019 at 16:09
by: hodges
Make Cobalt Chloride from Cobalt Metal?
[rquote=623796&tid=154099&author=UC235]
The color of the solution is highly chloride and te ...
30-9-2019 at 15:24
by: hodges
Make Cobalt Chloride from Cobalt Metal?
Thanks for the suggestions. I ordered the cobalt metal.

Per woelen's advice, will not try going ...
29-9-2019 at 17:27
by: hodges
Make Cobalt Chloride from Cobalt Metal?
Was going to get some cobalt (II) chloride, but I see I either have to buy 4 ounces of it (far more ...
28-9-2019 at 16:16
by: hodges
Ferric Ammonium Citrate + Calcium Chloride Gives No Precipitate
I tried adding NaOH solution to the mixture. At first, I get a gray precipitate. This might be the ...
28-9-2019 at 12:42
by: hodges
Ferric Ammonium Citrate + Calcium Chloride Gives No Precipitate
I dissolved 1g of ferric ammonium citrate in a small amount of water (few ml).

Likewise, I dissol ...
27-9-2019 at 13:29
by: hodges
Ammonium formate from Ammonium chloride
Mix the ammonium chloride with a strong base such as NaOH. Heat slightly or add a small amount of w ...
24-9-2019 at 17:15
by: hodges
To jsum: I can't see whimsy there wor
I remember at one time many years ago everyone could see the Whimsy forum, but when you tried to vie ...
21-9-2019 at 14:12
by: hodges
Nice smelling compounds (?)
Look up the synthesis of methyl salicylate. This is wintergreen oil, has a minty smell. Requires m ...
21-9-2019 at 14:06
by: hodges
Is electrolysing brine a viable method of HCL production?
Sulfuric acid is hard to come by in your area - well what about muriatic acid (which is the HCl you ...
15-9-2019 at 15:44
by: hodges
Order a chemical, get something else
I recently ordered small bottles of about a dozen chemicals from a US hobbyist supplier.

When I g ...
15-9-2019 at 15:23
by: hodges
Purpose of Ammonium Carbonate in Luminol Reaction?
Ok, so if I am understanding correctly, the ammonium carbonate is part of a complex buffer (along wi ...
14-9-2019 at 15:50
by: hodges
Purpose of Ammonium Carbonate in Luminol Reaction?
I'm looking at the makeup of glow solutions using luminol. This particular "recipe" came form Elmhu ...
13-9-2019 at 13:22
by: hodges
Any other calcium salt from Calcium Sulfate?
For completeness, though a tangent from the original preparation, here is what I found for equilibri ...
11-9-2019 at 13:08
by: hodges
Elemental sulfur from sulfates?
Not from sulfates, but from sulfites (including the readily available "hypo", or sodium thiosulfate) ...
9-9-2019 at 16:17
by: hodges
Any other calcium salt from Calcium Sulfate?
I did try this, and verify that it worked.

To 500 ml of distilled water, I slowly added CaSO4 u ...
7-9-2019 at 13:42
by: hodges
Any other calcium salt from Calcium Sulfate?
[rquote=622170&tid=153608&author=happyfooddance]I remembered posting about this before, and ...
4-9-2019 at 15:37
by: hodges
Evolution of ammonia...cause for concern?
You don't even need an ammonium salt. If there is any nitrate remaining in the mix (including the o ...
3-9-2019 at 16:31
by: hodges
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