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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 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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