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Semi metals or metalloids as anions: a preparation thread.
[rquote=306039&tid=26823&author=bismuthate]Hi. I just recived 20g of gallium:D and I've deci ...
4-11-2013 at 04:11
by: deltaH
Failed OTC preparation of ammonium carbamate from urea
Okay, I am more less happy to call my preparation of ammonium carbamate from OTC chemicals and urea ...
4-11-2013 at 04:09
by: deltaH
Failed OTC preparation of ammonium carbamate from urea
[b]Ladies and gentlemen, if you want to comment about my reaction or the product I've formed, PLEASE ...
4-11-2013 at 00:40
by: deltaH
Toma's acid salt: ammonium guanidinium bisulfate sulfuric acid salt
Your explanation doesn't explain why I required double the amount of NaOH to neutralise compared to ...
3-11-2013 at 16:03
by: deltaH
Toma's acid salt: ammonium guanidinium bisulfate sulfuric acid salt
Hi [b]kristofvagyok[/b]

[quote]Dilute sulfuric acid is not a superacid[/quote]

It's not dilute ...
3-11-2013 at 15:13
by: deltaH
Toma's acid salt: ammonium guanidinium bisulfate sulfuric acid salt
[i]WARNING: This preparation involves boiling strong concentrated superacids that would corrode fles ...
3-11-2013 at 14:03
by: deltaH
Failed OTC preparation of ammonium carbamate from urea
Yeah agreed completely, my urea prills are the same (low purity fertiliser type), some of them are d ...
3-11-2013 at 12:07
by: deltaH
Failed OTC preparation of ammonium carbamate from urea
Okay repeated the reaction today (with smaller quantities) and withheld 1/4 of the battery acid. A s ...
3-11-2013 at 10:25
by: deltaH
Why Hot Water Freezes Faster Than Cold—Physicists Solve the Mpemba Effect
Hiya [b]maxpayne[/b], the first paragraph, Schauberger states a [u]fact[/u] about the minimum heat c ...
2-11-2013 at 23:56
by: deltaH
Failed OTC preparation of ammonium carbamate from urea
Unfortunately not [b]plante1999[/b] and I don't have a scale that can measure small amounts accurate ...
2-11-2013 at 14:10
by: deltaH
Failed OTC preparation of ammonium carbamate from urea
Thanks [b]woelen[/b]. I don't have small beakers but I have a smaller 1 litre Vision saucepot that s ...
2-11-2013 at 13:52
by: deltaH
Why is bromochlorofluoroiodomethane so difficult to synthesise?
[b]arsphenamine[/b], what was the goal of your modelling, to verify/improve upon the accuracy of the ...
2-11-2013 at 12:29
by: deltaH
tetrafluoroammonium perchlorate superoxidant
Sigh, you're right.
2-11-2013 at 12:10
by: deltaH
Step 1: Urea decarbonation/hydrolysis
[b]WARNING:[/b]

(i) Reaction must be conducted outside as it gives off pungent toxic fumes. ...
2-11-2013 at 07:41
by: deltaH
Forum Safety Section?
Some thoughts that come to mind regarding the general comments people are writing about :

I think ...
2-11-2013 at 03:09
by: deltaH
Forum Safety Section?
Might even make some parents less chemophobic... maybe not.

Might help get the NSA off our backs. ...
1-11-2013 at 13:21
by: deltaH
Forum Safety Section?
Yes agreed [b]woelen[/b], I too like and appreciate the simplicity of the catagorisations, but I als ...
1-11-2013 at 13:03
by: deltaH
Why is bromochlorofluoroiodomethane so difficult to synthesise?
@bfesser

No not at all, I understand completely, was just pointing out something odd in that mech ...
1-11-2013 at 12:52
by: deltaH
Why is bromochlorofluoroiodomethane so difficult to synthesise?
Thanks for that [b]watson.fawkes[/b], this looks promising, I will have to have a hard read through ...
1-11-2013 at 12:15
by: deltaH
Forum Safety Section?
Voted yes obviously, I think if you don't make safety an interesting thing that people can constantl ...
1-11-2013 at 12:05
by: deltaH
Forum Safety Section?
My thoughts were that it's more than that, because putting things into a safety compendium is going ...
1-11-2013 at 10:12
by: deltaH
A Chat Room for Sciencemadness?
Oh come on [b]solo[/b], do you really think that if the NSA was interested in you or whoever on here ...
1-11-2013 at 09:10
by: deltaH
Forum Safety Section?
Should SM have a safety section?

I feel this is very important, especially because many of us are ...
1-11-2013 at 09:05
by: deltaH
A Chat Room for Sciencemadness?
You guys gonna hate me for saying it, but maybe it's best we DON'T have a chat room. Look at all the ...
1-11-2013 at 08:54
by: deltaH
Why is bromochlorofluoroiodomethane so difficult to synthesise?
Hey [b]kristofvagyok[/b] Nice! It would be worthwhile simple for kudos factor :) Not for me, I'm bro ...
1-11-2013 at 07:25
by: deltaH
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