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Talent show - demos in 5 minutes or less?
I'm using methanol in a 5 gallon (I just refer to it as 20 L because I prefer metric). Methanol does ... |
18-5-2014 at 21:50
by: Brain&Force |
The Short Questions Thread (4)
People who join metal together are welders.
In the case of burning hydrocarbons, the blue part of ... |
18-5-2014 at 21:43
by: Brain&Force |
The Short Questions Thread (4)
More flame questions:
First of all, is it possible to color the flame of a fireplace or some othe ... |
18-5-2014 at 11:35
by: Brain&Force |
Where is not_important?
[rquote=323200&tid=27951&author=BromicAcid]Personally I miss axehandle. I have yet to see a ... |
16-5-2014 at 19:24
by: Brain&Force |
SM Classifieds: A good idea?
There should also be a stickied trade outcome thread (I've seen this on the Where's George forums) w ... |
16-5-2014 at 17:10
by: Brain&Force |
Talent show - demos in 5 minutes or less?
I've got a guaranteed spot in the talent show. I'm just doing the thunder flask demos on 3 scales: 1 ... |
14-5-2014 at 19:57
by: Brain&Force |
Pretty Pictures (2)
I have some fluorite, but it doesn't fluoresce at all. But I have some corundum that fluoresces red ... |
14-5-2014 at 19:17
by: Brain&Force |
Fire diamonds
The GHS system an all of the pictogram systems look like something that would be suitable for childr ... |
14-5-2014 at 18:50
by: Brain&Force |
The Short Questions Thread (4)
I mixed potassium nitrate in methanol. It doesn't appear to dissolve, but the methanol turns blue. I ... |
13-5-2014 at 19:33
by: Brain&Force |
Fire diamonds
Anyone know of a good place to make a fire diamond label where the numbers are centered, in case I w ... |
11-5-2014 at 18:55
by: Brain&Force |
Manganese Dioxide from Manganese Sulfate
[rquote=330806&tid=30343&author=bismuthate]Well, I believe that bleach would react with Mn ( ... |
10-5-2014 at 10:55
by: Brain&Force |
calcium chlorate
Wouldn't it also contaminate the flame color as well?
For pyro mixtures potassium chlorate is you ... |
10-5-2014 at 10:50
by: Brain&Force |
The π is a lie!
I care!
The reason being that π, being ill-defined, makes math harder for students. I'm ... |
10-5-2014 at 10:46
by: Brain&Force |
The trouble with neodymium...
The problem with cryolite is that if you reduce it, you would probably get an Al-Nd alloy. (Which ma ... |
9-5-2014 at 15:43
by: Brain&Force |
Fire diamonds
Not all Wiki articles contain fire diamonds. Especially not those for the elements. |
9-5-2014 at 15:38
by: Brain&Force |
The trouble with neodymium...
If it's already seperated, then why not dissolve it in hydrochloric acid now?
When you add hydroc ... |
8-5-2014 at 06:10
by: Brain&Force |
The trouble with neodymium...
elementcollector1, why are you redissolving the oxide in sulfuric acid? Have you already separated t ... |
7-5-2014 at 12:09
by: Brain&Force |
Obtaining rare earths from around the house
It's called calcination; some oxides will become inert when strongly heated. |
7-5-2014 at 12:04
by: Brain&Force |
Obtaining rare earths from around the house
Here's where I got the idea from:
https://www.youtube.com/watch?v=IFmAhhiam9g
Samarium and pra ... |
6-5-2014 at 15:31
by: Brain&Force |
The trouble with neodymium...
I was going to propose the existence of a bisulfate as a possible explanation for the two different ... |
6-5-2014 at 15:22
by: Brain&Force |
Obtaining rare earths from around the house
Try adding some hydrogen peroxide to a small amount of the solution. It should reduce the cerium(IV) ... |
3-5-2014 at 17:04
by: Brain&Force |
Obtaining rare earths from around the house
Nitric acid (concentrated) will oxidize cerium, as well as a portion of the terbium, out of solution ... |
3-5-2014 at 12:02
by: Brain&Force |
Hazardous combinations of simple chemicals
You missed the simple one...bleach and ammonia.
Hydrogen and oxygen can also be a hazard near an ... |
2-5-2014 at 14:16
by: Brain&Force |
The Short Questions Thread (4)
I've tried strontium nitrate in methanol, but it doesn't dissolve volatilize and give an even color ... |
1-5-2014 at 17:13
by: Brain&Force |
The π is a lie!
Not really.
A circle is defined by the set of all points a fixed distance (the radius) away from ... |
1-5-2014 at 13:08
by: Brain&Force |
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