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Hot Plate Overnight
1. increase the distance between the electrodes
2. increase the voltage to restore the current to i ... |
5-1-2015 at 12:07
by: phlogiston |
Tired of reporting spam
[rquote=369390&tid=16937&author=Bert]
I would suggest that some more of the most active spa ... |
2-1-2015 at 16:39
by: phlogiston |
Quartz Pebbles
These do look like common quartz pebbles, but as largish already said it is hard to tell from an ima ... |
30-12-2014 at 16:42
by: phlogiston |
homemade mass spectrometer
Interesting, that brings up another thing I was wandering about.
I was assuming you would initially ... |
29-12-2014 at 07:56
by: phlogiston |
homemade mass spectrometer
Very cool. I have been hoping someone would try building a masspec of some kind someday (lacking tim ... |
29-12-2014 at 03:27
by: phlogiston |
First Major Lab Accident
Make sure to get the powder out of your heater/stirrer. It is very corrosive. |
24-12-2014 at 13:33
by: phlogiston |
Periodic Table Display
Although it would require extensive planning to avoid contaminating the lab, for an element collecti ... |
24-12-2014 at 05:18
by: phlogiston |
Explosive Residue Testing
Damn, do we get in-thread spam now too?!
If the number of false-positives becomes great, the secu ... |
24-12-2014 at 02:32
by: phlogiston |
Periodic Table Display
Classy, nice.
There appears to be something in the actinium box, but it is difficult to see in the ... |
23-12-2014 at 01:27
by: phlogiston |
UV/VIS Spectra
Another solution to make a dual beam spectrophotometer that is used in many good instruments and may ... |
19-12-2014 at 13:28
by: phlogiston |
Radio active stuff in fuel oil
Possibly, it is kept secret to frustrate removal attempts.
This paper specifically describes the ... |
19-12-2014 at 06:22
by: phlogiston |
Nitro paper and laser printers
You could try running a small piece through a cheap laminator first. they typically work at roughly ... |
19-12-2014 at 01:40
by: phlogiston |
puzzled by Hg in H2SO4, oleum? not dissolved??? black precipitate, looks like elemental mercury
[rquote=377866&tid=54861&author=quantumcorespacealchemyst]this was put in a small 10ml beake ... |
17-12-2014 at 11:43
by: phlogiston |
grease appearing on beakers?
+1 on nitric acid being the prime suspect.
I have the same thin slippery film with a very specific ... |
15-12-2014 at 01:20
by: phlogiston |
Reductions using Ca metal
Yes, that should work. Ca also does not oxidase as quickly as the alkali metals, which helps too. |
15-12-2014 at 01:13
by: phlogiston |
Reductions using Ca metal
You must not have handled calcium metal before then.
It is a lot harder than potassium. Probably yo ... |
14-12-2014 at 15:53
by: phlogiston |
Bras ,batteries ,benzene and something in between
A source for nickel metal could be cast iron welding electrodes (99% nickel).
Nickel salts are used ... |
8-12-2014 at 15:57
by: phlogiston |
Solvent extraction of fatty acids
While I fully agree with the views expressed above, I have had to supervise many MD students in a bi ... |
4-12-2014 at 17:07
by: phlogiston |
Our prolific, multifaceted troll- ban him or not?
I don't see anything wrong with falsely claiming to hold a doctorate here. This is the internet. We ... |
4-12-2014 at 16:41
by: phlogiston |
Rador Labs Challenge 11-12/2014: High Stakes, High Mass
A very recent publication in JACS, perhaps interesting to some of you:
[url=http://pubs.acs.org/d ... |
3-12-2014 at 07:27
by: phlogiston |
Our prolific, multifaceted troll- ban him or not?
Give him is own subforum 'village idiot'. It should generously satisfy his need for attention, would ... |
3-12-2014 at 02:46
by: phlogiston |
KNO3 from feces
http://www.sciencemadness.org/talk/viewthread.php?tid=13904#pid179006
IMO you'd be have to be qui ... |
27-11-2014 at 11:14
by: phlogiston |
Golden Liquid
Not practical in the slightest, but a liquid with a golden appearance can be made by dissolving an a ... |
25-11-2014 at 11:14
by: phlogiston |
Reductions using Ca metal
Dan Vizine in his 'thorium thread' used a file:
http://www.sciencemadness.org/talk/viewthread.php ... |
25-11-2014 at 06:01
by: phlogiston |
UK plans stricter controls on poisons and explosives
Just imagine the amount of manpower/money involved only processing application forms.
If we are l ... |
23-11-2014 at 15:17
by: phlogiston |
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