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Reaction mechanism? Anodic oxidation of chloride
If you want elemental electrode reactions, you'll have to look a lot closer than the overall result. ... |
25-9-2010 at 08:23
by: 12AX7 |
do-it-yourself nuclear magnetic resonance spectroscopy
[url=http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=HFA3101BZ-ND]These[/url] t ... |
24-9-2010 at 23:51
by: 12AX7 |
Alternative way to make sodium first try
Sodium hydride is a large product of the hydroxide reduction, unfortunately.
Supposedly, doing it ... |
24-9-2010 at 23:32
by: 12AX7 |
Ammonia from H2 and KNO3
H2 should reduce KNO3 at high temperature, possibly while molten.
KNO3 + 4 H2 = KOH + 2 H2O + NH3
... |
24-9-2010 at 23:30
by: 12AX7 |
do-it-yourself nuclear magnetic resonance spectroscopy
The noise of a 50 turn #32 coil at 30MHz will be very low indeed. Why? Because the parasitic capac ... |
24-9-2010 at 15:21
by: 12AX7 |
Periodic Table Poster
I had one from Flinn Scientific that had a reasonable bit of data on it.
I've never seen one that ... |
23-9-2010 at 20:31
by: 12AX7 |
Write-up on making pure BaCl2.2H2O
I imagine distillation is necessary. *cough* eww. |
23-9-2010 at 20:19
by: 12AX7 |
do-it-yourself nuclear magnetic resonance spectroscopy
[rquote=188111&tid=14365&author=arsphenamine]
At this point, the prospect of running a puls ... |
23-9-2010 at 12:13
by: 12AX7 |
Suggestion please on which fluid to use?
Saltwater solution. Pick salts based on density and toxicity (e.g., Ca is denser than Mg, but Sr is ... |
23-9-2010 at 10:44
by: 12AX7 |
Write-up on making pure BaCl2.2H2O
I had fine results (excepting the turbidity, which settles out) with plain old recrystallization. D ... |
23-9-2010 at 10:41
by: 12AX7 |
do-it-yourself nuclear magnetic resonance spectroscopy
My guess is somewhere between 1 and 50W for drive. Maybe more for big samples? The actual absorbed ... |
22-9-2010 at 21:51
by: 12AX7 |
do-it-yourself nuclear magnetic resonance spectroscopy
[rquote=188002&tid=14365&author=not_important]
Simple programmable oscillators, even at the ... |
21-9-2010 at 20:41
by: 12AX7 |
do-it-yourself nuclear magnetic resonance spectroscopy
Uh, did you notice my scheme? Downconvert the signal to a ~1kHz carrier. Tons of bandwidth. 44kHz ... |
21-9-2010 at 20:29
by: 12AX7 |
do-it-yourself nuclear magnetic resonance spectroscopy
Hmm, that diagram shows a lot of leakage. Looks like it would work even better locked inside a few ... |
21-9-2010 at 17:39
by: 12AX7 |
do-it-yourself nuclear magnetic resonance spectroscopy
[rquote=187919&tid=14365&author=un0me2]Yes, but I want to be able to hook this up to other m ... |
20-9-2010 at 20:10
by: 12AX7 |
Potassium sulphate insoluble residue...
CaSO4, especially if you are using hard tapwater (but not to the tune of 8%!).
Tim |
20-9-2010 at 11:23
by: 12AX7 |
do-it-yourself nuclear magnetic resonance spectroscopy
Why the hell do you need a whole frickin DDS to generate exactly one frequency? Use an LC oscillato ... |
20-9-2010 at 07:58
by: 12AX7 |
do-it-yourself nuclear magnetic resonance spectroscopy
[rquote=187796&tid=14365&author=aonomus]I'm not sure if any of you guys have the equipment t ... |
19-9-2010 at 10:36
by: 12AX7 |
do-it-yourself nuclear magnetic resonance spectroscopy
Traditionally a simple pulse is applied (rectangular, or maybe rectangular windowed RF), during whic ... |
18-9-2010 at 08:25
by: 12AX7 |
do-it-yourself nuclear magnetic resonance spectroscopy
Shielding 35MHz is no big deal, the skin depth (and therefore penetration into shielding) is quite s ... |
17-9-2010 at 07:14
by: 12AX7 |
Capsaicin extraction and isolation
Peruvian? That's a Simpsons reference... |
17-9-2010 at 07:10
by: 12AX7 |
Starting a Science Club at University
Amazingly, at one meeting of Chemistry Club, at my last school, one of the faculty demonstrated nitr ... |
15-9-2010 at 15:26
by: 12AX7 |
do-it-yourself nuclear magnetic resonance spectroscopy
Yes, pole pieces.
Yes
YES
YES!!!
Anything else is pure retardery!
Looking for fairly ... |
15-9-2010 at 15:24
by: 12AX7 |
do-it-yourself nuclear magnetic resonance spectroscopy
Plastics are unsuitable as they contain nuclei. Carbon obviously for one, and almost all contain hy ... |
13-9-2010 at 11:45
by: 12AX7 |
Anode for chloride electrolysis ?
Said reactive metals oxidize and passivate under those conditions. A coating is required.
Has an ... |
13-9-2010 at 11:38
by: 12AX7 |
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