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troubleshooting a homemade hotplate
Although the attractive force due to electrostatic or magnetic monopoles, like gravity, falls off wi ... |
16-7-2010 at 17:18
by: JohnWW |
Pictures of your home lab
Oh good, with those you will be able to do your own organic reductions using H2 generated by the act ... |
16-7-2010 at 10:34
by: JohnWW |
Why was Anders Hoveland banned?
[rquote=182546&tid=14160&author=Polverone]He was privately warned to make the difference bet ... |
16-7-2010 at 10:27
by: JohnWW |
The short questions thread (2)
Why would you want to reduce perchlorate to chlorate, when the latter is so much more dangerous to h ... |
16-7-2010 at 00:54
by: JohnWW |
Mom Arrested After Son Makes Dry Ice "Bombs"
How have sales of Swiss Army knives, made by Victorinox in Switzerland, been lately? |
15-7-2010 at 18:26
by: JohnWW |
The short questions thread (2)
Being an oxidizing acid, HNO3 should be able to dissolve Pb metal, in spite of being below H in the ... |
15-7-2010 at 05:57
by: JohnWW |
Persulfate Esters and Organic Salts
They are certainly likely to be highly explosive, and dangerously so, similarly to triacetone triper ... |
15-7-2010 at 05:08
by: JohnWW |
troubleshooting a homemade hotplate
If Nd magnets can only stand 80ºC or so, the temperatures inside many hard drives that use them may ... |
15-7-2010 at 04:51
by: JohnWW |
Where to buy PTFE bottles in NZ
There is a nationwide chain-store in New Zealand called PayLess Plastics, which specializes in plast ... |
14-7-2010 at 03:55
by: JohnWW |
Synthesis of Solid Calcium Hypochlorite
The industrial-grade solid bleach and disinfectant made by passing Cl2 gas into a Ca(OH)2 ("slaked l ... |
14-7-2010 at 03:49
by: JohnWW |
Yellow impurity in nitrobenzene?
I once made some nitrobenzene by nitration of benzene; it was a pale yellow to yellow-green liquid. |
13-7-2010 at 15:50
by: JohnWW |
The trouble with neodymium...
In the Nd2Fe14B magnets, surplus 4s and 3d electrons from the Fe enter the vacant 4f orbitals in Nd ... |
13-7-2010 at 01:29
by: JohnWW |
The Phenacylamines - would Quinacetephenone work?
[rquote=182281&tid=14141&author=smuv](cut)
Read a book about catalytic hydrogenation for mo ... |
13-7-2010 at 01:08
by: JohnWW |
The trouble with neodymium...
The boron present will not react with any non-oxidizing acid. Under extreme conditions it may be oxi ... |
11-7-2010 at 20:35
by: JohnWW |
The short questions thread (2)
I think that, due to the complexing ability of NH3, AgCl is soluble in concentrated NH3 solution wit ... |
11-7-2010 at 11:05
by: JohnWW |
Easiest way to obtain Lucas Reagent?
You could obtain ZnCl2 by dissolving some Zn or ZnO or ZnCO3 in an excess of HCl, and slowly evapora ... |
11-7-2010 at 03:34
by: JohnWW |
troubleshooting a homemade hotplate
Has anyone bothered to look up the patent literature on hotplates? |
11-7-2010 at 00:31
by: JohnWW |
FREE Online Journals
Thanks, GSD. As a chemical engineer, there is bound to be much of use to me in the complete run of t ... |
10-7-2010 at 18:21
by: JohnWW |
Best and worst smelling chemicals?
C3S2 would be the sulfur analog of carbon suboxide, O=C=C=C=O. which is the anhydride of maleic acid ... |
10-7-2010 at 08:06
by: JohnWW |
Increasing melting temperature in vegetable wax
If the long-carbon-chain molecules in the wax have unsaturated double or triple bonds, cross-linking ... |
9-7-2010 at 17:01
by: JohnWW |
Bad days in the lab or with glassware?
I understand that Marie Curie and Becquerel died of cancers due to exposure to intense radiation fro ... |
8-7-2010 at 07:38
by: JohnWW |
Portable Oxygen Concentrators
Highly electropositive metals such as Mg and Al and Li can be induced to burn in N2, while Na and K ... |
7-7-2010 at 14:56
by: JohnWW |
oxalic acid synthesis
Sucrose + nitric acid is liable to give you the nitrate ester, sucrose octanitrate, or a partly este ... |
7-7-2010 at 07:59
by: JohnWW |
The short questions thread (2)
Mewrox99, if you ordered sodium silicate (usual formula Na2SiO3, "water glass", so called because of ... |
7-7-2010 at 06:59
by: JohnWW |
Perfect Coffee / Tea
What about the caffeine in it? Do you want to extract it? |
7-7-2010 at 06:41
by: JohnWW |
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