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Silver cleaning
[quote][i]Originally posted by YT2095[/i]
what I Don`t want it to make it any Worse, as the wife wi ... |
10-5-2008 at 19:17
by: pantone159 |
Rosocyanine Analogs
Now I tried this:
I added c. 1-2 ml of curcumin/EtOH solution to a container, and added c. 30-40 ... |
10-5-2008 at 12:15
by: pantone159 |
Rosocyanine Analogs
I just tried the following:
I put in three test tubes small amounts of:
a) H2O
b) NaHSO4 aq sol ... |
10-5-2008 at 11:51
by: pantone159 |
Rosocyanine Analogs
[quote][i]Originally posted by ShadowWarrior4444[/i]
do you know if this color is stable after the ... |
9-5-2008 at 15:05
by: pantone159 |
Rosocyanine Analogs
Curcumin does form a deep red color with base, e.g. NaHCO3, acting as a pH indicator. |
9-5-2008 at 13:38
by: pantone159 |
Simple math computation check
Those calculations seem right to me.
BTW - I wouldn't be concerned about the toxicity of such sma ... |
7-5-2008 at 19:48
by: pantone159 |
Where do you obtain cheap electrical components?
As far as 'local' goes, definitely try Fry's if one is around.
I haven't messed with electronics ... |
22-4-2008 at 23:44
by: pantone159 |
MTBE good substitute for Et2O?
I have at least one organic chem lab textbook that specifically recommends MTBE as a replacement for ... |
22-4-2008 at 08:12
by: pantone159 |
Separation of Copper/Nickel Alloy
[quote][i]Originally posted by CyrusGrey[/i]
I don't think nickel forms any ammonia complexes?[/quo ... |
17-4-2008 at 21:14
by: pantone159 |
Separation of Copper/Nickel Alloy
There is a thread on this board regarding the production of (insoluble) copper (II) 'aspirinate'. N ... |
17-4-2008 at 19:48
by: pantone159 |
Removing "Mixed Tocopherols" from Mineral Oil
I think bfesser is trying to be rid of the tocopherols, not trying to extract them. I have also won ... |
15-4-2008 at 19:26
by: pantone159 |
Amateur/Home Chemistry: Historical Achievements
[quote][i]Originally posted by Sauron[/i]
Perkin knew nothing of structural organic chemistry, is a ... |
12-4-2008 at 08:07
by: pantone159 |
Amateur/Home Chemistry: Historical Achievements
[quote][i]Originally posted by Sauron[/i]
I'm not trying to knock Perkin, far from it. He was after ... |
11-4-2008 at 20:36
by: pantone159 |
The Chemical Closet
[quote][i]Originally posted by Sauron[/i]
Here's the short version of this thread:
"Wow! Red P for ... |
10-4-2008 at 07:05
by: pantone159 |
Solvent ideas needed.
[quote][i]Originally posted by Saerynide[/i]
It's yellowish and comes in a clear bottle and smells ... |
7-4-2008 at 15:47
by: pantone159 |
Periodic acid -- properties and experiments
Checking some of my books...
Organic Chemistry, Brown and Foote, 3rd ed:
The mechanism for spl ... |
7-4-2008 at 10:35
by: pantone159 |
The Chemical Closet
[quote][i]Originally posted by anotheronebitesthedust[/i]
The picture of the can looks a little too ... |
7-4-2008 at 06:28
by: pantone159 |
The Chemical Closet
[quote][i]Originally posted by 0U812[/i]
I could post it but then you would call it chalk
[/quote] ... |
6-4-2008 at 21:49
by: pantone159 |
The Chemical Closet
I would be more inclined to agree with you on this woelen, except that by
a) soliciting members of ... |
5-4-2008 at 11:11
by: pantone159 |
The Chemical Closet
[quote][i]Originally posted by MagicJigPipe[/i]
They now have phenylacetonitrile (benzyl cyanide) a ... |
3-4-2008 at 19:25
by: pantone159 |
The Chemical Closet
[quote][i]Originally posted by anotheronebitesthedust[/i]
Anyone who has registered a website wou ... |
3-4-2008 at 18:17
by: pantone159 |
The Chemical Closet
[quote][i]Originally posted by anotheronebitesthedust[/i]
[quote][i]Originally posted by pantone159 ... |
3-4-2008 at 17:21
by: pantone159 |
Phthalic Anhydride
[quote][i]Originally posted by Sauron[/i]
And I hate to tell you, pantone, but there are two h's an ... |
3-4-2008 at 17:09
by: pantone159 |
The Chemical Closet
According to this:
http://whois.domaintools.com/thechemicalcloset.com
The site is hosted on a dedi ... |
3-4-2008 at 17:02
by: pantone159 |
The Chemical Closet
[quote][i]Originally posted by joeflsts[/i]
I don't believe anotheronebitesthedust.
Joe[/quote]
... |
3-4-2008 at 16:50
by: pantone159 |
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