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disolving a steel screw from an aluminum frame
[rquote=214383&tid=16816&author=LanthanumK]A non-chemical way: Drill the screws out.[/rquote ... |
28-6-2011 at 03:13
by: ScienceSquirrel |
Potassium carbonate from banana skins
[rquote=214338&tid=16803&author=LanthanumK]It depends on which one is more accessible for yo ... |
27-6-2011 at 04:20
by: ScienceSquirrel |
Ferric Ammonium Alum problems…
My procedure is here;
http://www.sciencemadness.org/talk/viewthread.php?tid=5650#pid135630
I u ... |
27-6-2011 at 04:14
by: ScienceSquirrel |
Help! thermometer mercury separated
You can do it by holding the thermometer by the bulb end and tapping the top gently on the palm of y ... |
20-6-2011 at 04:39
by: ScienceSquirrel |
Synthesis of CuBr
It certainly works, warming an acidic solution of copper II chloride with copper wire results in a p ... |
17-6-2011 at 04:16
by: ScienceSquirrel |
expiring dates on chemicals.?
Nous avons une chatte français! |
13-6-2011 at 04:46
by: ScienceSquirrel |
expiring dates on chemicals.?
You have to be sensible about these things.
For instance, something like sodium chloride is usable ... |
11-6-2011 at 16:46
by: ScienceSquirrel |
aniline derivatives
[rquote=212151&tid=16621&author=DJF90]ScienceSquirrel - off topic but are you (or anyone els ... |
8-6-2011 at 09:16
by: ScienceSquirrel |
Makeing Sodium cobaltinitrite
I suspect that if you made up say 25ml and then kept it in a sealed bottle in the fridge at say 10C ... |
8-6-2011 at 07:19
by: ScienceSquirrel |
Aluminum ethoxide
Melting point 140 C
Moisture sensitive
Prepared in the same way as aluminium isopropoxide, reflux ... |
8-6-2011 at 06:49
by: ScienceSquirrel |
Makeing Sodium cobaltinitrite
I think the solution is more stable if it is made slightly acidic.
Why not make up a solution and t ... |
8-6-2011 at 06:23
by: ScienceSquirrel |
Makeing Sodium cobaltinitrite
It might just be a precaution or it may go off in aqueous solution.
I took it from an analytical ma ... |
8-6-2011 at 05:00
by: ScienceSquirrel |
Makeing Sodium cobaltinitrite
Sodium cobaltinitrite solution
Dissolve 17gms. of the pure salt in 250
of water.
Alternately, the ... |
8-6-2011 at 04:06
by: ScienceSquirrel |
Storage of KOH solution
That depends on how on how long you want to store it and how pure you want it to be.
Cold potassium ... |
7-6-2011 at 18:00
by: ScienceSquirrel |
aniline derivatives
The easy mad chemist ways to anthranilic acid are from toluene as above or from phthalic acid from p ... |
7-6-2011 at 16:27
by: ScienceSquirrel |
aniline derivatives
Converting a phenol to a carboxylic acid is fiendishly hard.
The phenol will direct nitration to th ... |
7-6-2011 at 09:45
by: ScienceSquirrel |
aniline derivatives
This is best done the other way.
Take phenol, nitrate and reduce it to form the aniline.
Most synt ... |
7-6-2011 at 09:25
by: ScienceSquirrel |
Glass bottle for mercury
That really depends on how much you have, how strong the bottle is and how much sloshing you intend ... |
6-6-2011 at 06:34
by: ScienceSquirrel |
Dissolving Copper
[rquote=211786&tid=16590&author=ItalianChemist]
Another way is to use a mixture of H2O2 30% ... |
2-6-2011 at 03:34
by: ScienceSquirrel |
Help with quinoline synthesis
May I suggest using the Duff reaction, see page 66 of this thesis;
http://etheses.nottingham.ac.u ... |
2-6-2011 at 03:31
by: ScienceSquirrel |
Sodium Garbage Time And Unusual Results
Sodium carbonate is not hygroscopic at normal humidities.
The decahydrate and heptahydrate are quit ... |
2-6-2011 at 02:38
by: ScienceSquirrel |
Sodium Garbage Time And Unusual Results
That looks like sodium carbonate to me.
Sodium hydroxide and alkoxides absorb carbon dioxide from t ... |
1-6-2011 at 16:41
by: ScienceSquirrel |
Generating acid via hydrogen gas
Not really, you are driving some very favourable chemistry backwards.
Hydrogen is a stable diatomic ... |
1-6-2011 at 14:29
by: ScienceSquirrel |
Isopropyl alcohol and hydrogen peroxide
A quick Google shows a lot of alcohol oxidations using hydrogen peoxide but they seem to use transit ... |
1-6-2011 at 07:53
by: ScienceSquirrel |
Lab rats.
There are fancy rats which have special colours and markings and normally come from specialist breed ... |
1-6-2011 at 03:27
by: ScienceSquirrel |
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