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Cooling with Butane
I've liquified SO2 in the past using salt-and-ice to cool the gas. This is at atmospheric pressure, ... |
12-4-2012 at 07:57
by: annaandherdad |
Where can I buy Over The Counter Nitric Acid?
When I was a teenage amateur chemist, I could by liters of HNO3, H2SO4 etc quite cheaply, and had no ... |
11-4-2012 at 20:11
by: annaandherdad |
Generating Cl2 to make hypochlorite
[rquote=244809&tid=19676&author=MrHomeScientist]I've had good success using calcium hypochlo ... |
10-4-2012 at 19:59
by: annaandherdad |
Making silver nitrate - impure silver
I've done some of this in the last year or so and have tried various methods. Sterling silver is ab ... |
10-4-2012 at 12:48
by: annaandherdad |
Ammonium hydroxide - creation.
Don't know where you are, but getting NH4OH OTC is pretty easy around here (California USA). Dilute ... |
10-4-2012 at 12:00
by: annaandherdad |
Reaction Ideas
[rquote=242855&tid=19498&author=Chemistry Outreach]Dear all,
I'm affiliated with the Sch ... |
1-4-2012 at 05:55
by: annaandherdad |
I remember the source
[rquote=242808&tid=15341&author=elementcollector1]Another method (cannot remember source, th ... |
27-3-2012 at 12:37
by: annaandherdad |
video on nitrocelluose
See http://www.youtube.com/watch?v=ldPHzCnRYos
|
27-3-2012 at 08:40
by: annaandherdad |
A bit of help appreciated...
Tell the truth. |
25-11-2011 at 17:03
by: annaandherdad |
electrons in "S" orbital
[rquote=227134&tid=17967&author=turd][rquote=227125&tid=17967&author=phlogiston]You ... |
10-11-2011 at 08:36
by: annaandherdad |
electrons in "S" orbital
[rquote=227109&tid=17967&author=aeacfm] i 've read a sentence may make me understand more
... |
10-11-2011 at 08:17
by: annaandherdad |
electrons in "S" orbital
Hey, turd, you're right, if your statement, "The nucleus is the most likely place to find an s-elect ... |
9-11-2011 at 16:29
by: annaandherdad |
electrons in "S" orbital
In quantum mechanics the state of the electron is described by a complex wave function psi(x), where ... |
9-11-2011 at 11:47
by: annaandherdad |
H2S intoxication
Yes, a guy associated with one of the research groups where I work was recently killed by CO from a ... |
6-11-2011 at 13:03
by: annaandherdad |
H2S for suicide
A few months ago, before I knew about this forum, I read an article in the New York Times about a re ... |
6-11-2011 at 11:31
by: annaandherdad |
H2S intoxication
I realize this thread is old. I just wanted to add that I worked with a chemistry set in the 1960's ... |
4-11-2011 at 14:39
by: annaandherdad |
Isotope distribution of Ar: no K-40 in the Sun ?
It's a good question, I can only guess. The sun certainly has K40, in the fraction that was present ... |
28-10-2011 at 12:57
by: annaandherdad |
How are extremely high temperatues measured ?
[rquote=225920&tid=17862&author=watson.fawkes][rquote=225832&tid=17862&author=annaan ... |
28-10-2011 at 12:39
by: annaandherdad |
How are extremely high temperatues measured ?
[rquote=225781&tid=17862&author=watson.fawkes][rquote=225736&tid=17862&author=metalr ... |
27-10-2011 at 12:00
by: annaandherdad |
desiccating with NaOH
[rquote=201385&tid=15493&author=bob800][rquote=201382&tid=15493&author=woelen]The si ... |
23-10-2011 at 09:30
by: annaandherdad |
Silver nitrate - green !!?? help
[rquote=224276&tid=16932&author=Retard-3000]Couldn't the last step (reducing with dextrose + ... |
19-10-2011 at 11:49
by: annaandherdad |
Isotope distribution: deuterium
I'll just mention that the deuterium/hydrogen ratio on earth is higher than the "primordial" ratio, ... |
16-10-2011 at 09:47
by: annaandherdad |
Finding other home chemists
I'm sorry if this has been covered somewhere, but I couldn't find it with any key that I could think ... |
12-10-2011 at 12:49
by: annaandherdad |
What to do with heavy water
[rquote=223478&tid=17668&author=Mildronate]ī have 500mL D2O but i do nothing with i ... |
12-10-2011 at 10:21
by: annaandherdad |
Purifying sterling silver
[rquote=218414&tid=16932&author=mario840]I tried many methods purify , over and over i waste ... |
11-10-2011 at 11:03
by: annaandherdad |
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