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A non-staining dye or pigment for cooling water
What about potassium permanganate.
You only need a very, very small amount to get a pink/purple col ... |
8-5-2018 at 06:09
by: greenlight |
semi-automatic nitration
I would still want to watch the addition myself too with an automated system.
Otherwise you wou ... |
28-4-2018 at 21:22
by: greenlight |
The effects of temperature and concentration on reactions
Cobalt is correct;
An increase in temperature gives the molecules more energy to move around. Th ... |
23-4-2018 at 09:40
by: greenlight |
Picric acid: different instructions
I have not heard of a test for picrate. If picrate salt contamination is suspected, the bottle is n ... |
19-4-2018 at 21:54
by: greenlight |
Picric acid: different instructions
If its just water your distilling then that would be fine.
Im not sure about the metal contaminat ... |
19-4-2018 at 03:25
by: greenlight |
Picric acid: different instructions
You could try this if you have enough ethanol:
"Making use of Phenol's high water solubility, and ... |
18-4-2018 at 18:39
by: greenlight |
Pretty Pictures (2)
Cleaning some sodium metal made using Nurdrages procedure.
This is on the third wash.
Looks so ... |
17-4-2018 at 01:38
by: greenlight |
Flash Powder Question
I agree with NP, Mg will get much better colours in flash compositions. Al decomposes to solid Al2O ... |
11-4-2018 at 20:48
by: greenlight |
Stupid Questions
1. The typical primer/blasting cap if thats what you mean is an RDX base charge with lead azide pri ... |
11-4-2018 at 20:32
by: greenlight |
Excellent chemistry apps for your phone
Those are pretty nice.
I have been using the app called "periodic table" for a while now and its ha ... |
9-4-2018 at 21:27
by: greenlight |
New chemicals for sale !
Another perfect delivery from mario arrived today.
If you can't buy or synth a reagent yourself sho ... |
9-4-2018 at 10:11
by: greenlight |
1,4-Dioxane from Ethylene Glycol and H2SO4
I did use a small amount of 98% sulfuric acid in the fractional distillation, I just forgot to menti ... |
9-4-2018 at 05:30
by: greenlight |
1,4-Dioxane from Ethylene Glycol and H2SO4
I just made some 1,4-dioxane myself using antifreeze and successfully made elemental sodium yesterda ... |
4-4-2018 at 19:33
by: greenlight |
Calculating stoichiometric amounts
I thought that the position obtained was related to the temperature of the sulphonation and one of t ... |
4-4-2018 at 18:52
by: greenlight |
Short question / quick answer - Thread
I was just about to write that you can get a fairly accurate idea of the concentration using the den ... |
1-4-2018 at 08:06
by: greenlight |
Short question / quick answer - Thread
Do you have access to 98% Sulfuric acid?
If so you could use the same distillation setup with a wat ... |
1-4-2018 at 05:37
by: greenlight |
The Short Questions Thread (4)
Does anyone know of a synthesis writeup or any synthesis details for acetamide hydrochloride? I hav ... |
20-2-2018 at 19:03
by: greenlight |
Short question / quick answer - Thread
I have never needed to dry it either. Are you sure its not just clumping, I had a batch of perc onc ... |
8-2-2018 at 20:45
by: greenlight |
Short question / quick answer - Thread
I just noticed you asked how to predict how much products will result from a detonation of a certain ... |
7-2-2018 at 22:18
by: greenlight |
Short question / quick answer - Thread
Here is one way I have learnt of calculating OB that works for CHNO explosives:
OB% = 1600 รท mol ... |
7-2-2018 at 21:48
by: greenlight |
Short question / quick answer - Thread
Hennig brand is right, you would get performance increase by mixing an oxygen deficient explosive wi ... |
4-2-2018 at 21:37
by: greenlight |
Short question / quick answer - Thread
I don't think you would notice much difference between PETN and ETN plastic explosive but yeah, the ... |
4-2-2018 at 08:21
by: greenlight |
Interesting read about extreme and exotic chemistry from a home chemist point of view
[rquote=505935&tid=80285&author=ninhydric1]Coincidentally, that website is written by former ... |
4-2-2018 at 00:31
by: greenlight |
Short question / quick answer - Thread
Yes, the inert lubricating effects would definitely reduce the sensitivity and make for safer handli ... |
4-2-2018 at 00:25
by: greenlight |
Short question / quick answer - Thread
I personally prefer PETN synthesized with 70% nitric and recrystallised from acetone. Very smooth ... |
3-2-2018 at 23:33
by: greenlight |
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