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Alternative Solvents and New Solvents - General Discussion
I was told once that hexane is significantly more toxic than pentane, and for this reason I bought p ... |
8-1-2008 at 17:15
by: pantone159 |
Briggs-Rauscher Oscillating Reaction
I saw the same kit again here, also US $10:
http://www.teachersource.com/Chemistry/ChemistryKits/Fa ... |
4-1-2008 at 19:22
by: pantone159 |
Synthesis of 3-(p-Hydroxyphenyl)-2-Butanone "raspberry ketone"
Thanks also to solo for the last paper... Also thanks for pointing out 'The Chemical Educator', a jo ... |
3-1-2008 at 19:12
by: pantone159 |
Sodium Ferrocyanide
'Normal' table salt probably has as much ferrocyanide as any other kind. IIRC, this is where the Mo ... |
31-12-2007 at 07:41
by: pantone159 |
Sodium Ferrocyanide
I'd be kind of surprised if there was enough ferrocyanide to make it worth the trouble, but hey, giv ... |
30-12-2007 at 19:58
by: pantone159 |
Iodine Clock Kinetics
Shakhashiri, Chemical Demonstrations, Vol 4, 10.1 has a discussion of this reaction.
According to ... |
19-12-2007 at 15:58
by: pantone159 |
*&$#ing hazmat fees.. a rant.
My opinion, basically, is that I am so happy to be able to obtain the reagents that I can, so I am n ... |
18-12-2007 at 18:53
by: pantone159 |
Dry HBr gas
[quote][i]Originally posted by turd[/i]
To anyone in the know it's darn obvious what this thread is ... |
11-12-2007 at 22:02
by: pantone159 |
Info on sodium dithionite please
I notice that the laundry whitener mentions is it scented, as well as listing more additives. From ... |
7-12-2007 at 17:34
by: pantone159 |
DHS at My Door
Is is possible that your ex-neighbor is getting a background clearance, e.g. he applied for some job ... |
5-12-2007 at 11:09
by: pantone159 |
Kno3.com
I get some different whois results than woelen did.
http://whois.domaintools.com/thechemicalcloset. ... |
30-11-2007 at 17:07
by: pantone159 |
Kno3.com
That site looks really difficult to believe.
After all the trouble the KNO3 owners got into, why ... |
27-11-2007 at 21:53
by: pantone159 |
math help
Any chance of that last bit being off by a constant?
I.e., 2abx = axb + bax + D, for some constant ... |
15-11-2007 at 07:47
by: pantone159 |
math help
Not sure how helpful this is, but my thoughts so far...
You want to solve: xax + bx + c = 0, whic ... |
14-11-2007 at 20:06
by: pantone159 |
Dehydrating MgSO4 completely????
I put the 7-hydrate ("Epsom salts") in the oven at around 450 F (sorry for the units), for around an ... |
7-11-2007 at 12:38
by: pantone159 |
Department of Homeland Security proposing anti-terror regs worse than anything DEA ever dreamt about...
The Washington Post has a story today
http://www.washingtonpost.com/wp-dyn/content/article/2007/11/ ... |
3-11-2007 at 18:54
by: pantone159 |
making diethyl ether
[quote][i]Originally posted by smuv[/i]
P.S. I throw the left over heptane into my car...it doesn't ... |
27-9-2007 at 15:09
by: pantone159 |
Glassware in Texas - Register or Not?
The link that mrjeffy321 has the chemical list, it is:
(A)Methylamine;
(B)Ethylamine;
(C)D-lyse ... |
19-9-2007 at 07:23
by: pantone159 |
Glassware in Texas - Register or Not?
The Texas law requires individuals to register BEFORE buying listed glassware, and to re-request per ... |
18-9-2007 at 07:24
by: pantone159 |
My BOINC project
I am about to start doing some of this stuff. I will be working on a distributed computing project, ... |
10-9-2007 at 12:06
by: pantone159 |
Replacement solvent for cyclohexane in demethylation of eugenol
I don't know about the solvent change.
I am curious, why the phase transfer catalyst (Bu4NI) is n ... |
8-9-2007 at 09:48
by: pantone159 |
ammonia solution without suds
I will second Ace brand "Janitorial Strength Formula, 10% NH4OH" ammonia solution, which I can find ... |
2-9-2007 at 08:14
by: pantone159 |
Iodine and tincture going List I
[quote][i]Originally posted by chemkid[/i]
Is iodine proposed to go on list I or II?
[/quote]
I ... |
29-8-2007 at 10:38
by: pantone159 |
What would you call a real chemical?
[quote][i]Originally posted by Ozone[/i]
caffeic acid (natural product, makes neat indicators when ... |
25-8-2007 at 22:47
by: pantone159 |
Barium Nitrate
To test for barium, you could dissolve some of it in water and add SO4--, as Ba(SO4)2 is very insolu ... |
25-8-2007 at 18:07
by: pantone159 |
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