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NdFeB
Further to my speculation above about actinide-based (as distinct from lanthanide) rare-earth magnet ... |
23-4-2010 at 06:56
by: JohnWW |
A small room lab setup (macGivered)
[rquote=176334&tid=13728&author=The WiZard is in]
'Bakers may be at occupational risk of po ... |
22-4-2010 at 14:27
by: JohnWW |
Insane science projects — Think BIG
[rquote=176297&tid=13709&author=entropy51]Spring unfolds into the midlands of Norway in a st ... |
21-4-2010 at 17:03
by: JohnWW |
Boron tribromide?
BBr3 (and similarly BCl3) is too valuable as a reagent to be simply reduced in bulk to B, although i ... |
21-4-2010 at 16:29
by: JohnWW |
NdFeB
I would say that few, if any, of those compositions listed above by Chief could possibly be usefully ... |
21-4-2010 at 15:58
by: JohnWW |
diluting a solution: enthalpy change
Any change in enthalpy on the mixing of two pure liquids (or other substances) under adiabatic condi ... |
21-4-2010 at 07:31
by: JohnWW |
sulfuric acid accident
[rquote=176210&tid=13726&author=sparkgap](cut) it is better practice to store such concentra ... |
21-4-2010 at 01:03
by: JohnWW |
Pear shaped flasks
[rquote=176145&tid=13720&author=mr.crow]I think pear shaped flasks are round at the top but ... |
20-4-2010 at 13:27
by: JohnWW |
NdFeB
I am very sure that there must be better ferromagnetic rare-earth metals than Nd that can be separat ... |
19-4-2010 at 03:54
by: JohnWW |
Bad Chemistry on TV
That "weedkiller", mixed with sugar, that exploded in France (above) was probably NaClO3, which is a ... |
19-4-2010 at 03:03
by: JohnWW |
Aesthetically Pleasing Organic Molecules
Here is the Table of Contents of [b]Fascinating Molecules In Organic Chemistry[/b]: http://www.gbv.d ... |
18-4-2010 at 03:35
by: JohnWW |
Drying IPA - easiest method
It is not clear whether what you have is isopropyl alcohol or ethanol. |
15-4-2010 at 01:31
by: JohnWW |
Nitromethane, nitroethane, nitropropane synthesis via industrial route
I'm a chemical engineer, among other things. With that sort of proposed pilot-plant scale process, I ... |
14-4-2010 at 18:35
by: JohnWW |
glassware holding a magnetic field (?)
Borosilicate glass as used in lab glassware should not contain any paramagnetic, let alone ferromagn ... |
14-4-2010 at 01:16
by: JohnWW |
High-temperature flames.
[rquote=175650&tid=13607&author=12AX7](cut)
The funny thing about physics, actually, is tha ... |
14-4-2010 at 01:10
by: JohnWW |
what does percentage sign above an organic reaction mean?
It means that the yield from the reaction of the desired product has been that percentage of what wo ... |
13-4-2010 at 17:25
by: JohnWW |
Thermite for melting steel
The thousands of professional engineers (mostly civil and mechanical) and architects who are members ... |
13-4-2010 at 05:59
by: JohnWW |
platinum anodes?
You should have asked that question in the Technochemistry section, not Biochemistry. |
13-4-2010 at 00:56
by: JohnWW |
Lead Safety Question
Yes; I am aware of the rarity of bismuth, which is all the more reason why the stuff is really too v ... |
12-4-2010 at 07:20
by: JohnWW |
Determining the configuration at a stereocenter
That molecule is reserpine, a tranquilizing drug. I understand that in most countries it can only be ... |
11-4-2010 at 16:14
by: JohnWW |
Synthesis Phenol
Phenol is made industrially in large quantities, usually by firstly sulfonating C6H6 with oleum (fum ... |
11-4-2010 at 14:16
by: JohnWW |
Lead Safety Question
By the way, "lead poisoning" is a known euphemism for being simply shot to death with bullets. But i ... |
11-4-2010 at 14:03
by: JohnWW |
Stir bar went bad...can I re-magnetize it?
You could try remagnetizing it by stroking it repeatedly in one direction with one pole of a large p ... |
11-4-2010 at 13:52
by: JohnWW |
Introducing us
[rquote=175179&tid=13604&author=SWilkin676]Regarding me working for the pooo leeess dept. I ... |
11-4-2010 at 13:37
by: JohnWW |
Chemicals Used for Illegal Purposes
[rquote=175388&tid=13621&author=chemrox]
It's shame it was posted on rapid-share. A really ... |
11-4-2010 at 01:11
by: JohnWW |
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