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Cyclic Ozone
Lasers aren't magic. Anyway, as has been pointed out, if the stuff is short lived (and I suspec ... |
17-7-2005 at 01:51
by: unionised |
physical chemistry questions!!!!
Neutrino is right. Both B and D are wrong. The R^-6 law is nothing to do with an ideal gas.
You c ... |
17-7-2005 at 01:46
by: unionised |
Advice on Pond Pump for aspirator setup?
Litres/ minute isn't an SI unit, on the other hand, it's a bit more practical than cubic m ... |
17-7-2005 at 01:36
by: unionised |
What about silicon as an anode in a chlorate cell?
Hi
I guess I get overly annoyed about people going off topic. Anyway, I'm afraid I can't ... |
11-7-2005 at 10:15
by: unionised |
What about silicon as an anode in a chlorate cell?
I wonder if I should start a new thread for this and call it "anything but silicon as an electr ... |
11-7-2005 at 04:48
by: unionised |
Direct gold-plating on copper
How fast Ag tarnishes depends on how much sulphur is in the air.
Rhodium, accoring to the Merck ind ... |
11-7-2005 at 01:32
by: unionised |
Etching Pyrex to "Frost" or Roughen Surface
The Merck index gives a material called "diamond ink" for etching glass. Based on HF and B ... |
10-7-2005 at 23:19
by: unionised |
spectroscope
This might help
http://hiq.linde-gas.com/international/web/lg/spg/likelgspg.nsf/docbyalias/anal_inf ... |
10-7-2005 at 07:07
by: unionised |
Advice on Pond Pump for aspirator setup?
Ho Hum, It seems that in a desperate attemt to be xenophobic you kind of missed the point that you n ... |
10-7-2005 at 06:55
by: unionised |
spectroscope
I seem to be talking bolometers.
that should be enough for you to google. |
9-7-2005 at 02:56
by: unionised |
Advice on Pond Pump for aspirator setup?
You need to know the maximum back pressure that the pump will handle. Since the aspirator needs abo ... |
9-7-2005 at 02:37
by: unionised |
Are solutions always even?
Even ignoring the quantum effects there is some "unevenness" but, except for very small am ... |
7-7-2005 at 12:53
by: unionised |
From where are you?
"Yes, that is reality. Eengliesh is just a snobby language for the President and some of his Pe ... |
6-7-2005 at 11:12
by: unionised |
The 125 Biggest Questions in Science!
All very well, but they missed out the most important questions.
Where do the odd socks go in the l ... |
6-7-2005 at 10:56
by: unionised |
SO2 tank
Did that very long quote serve a purpose? |
5-7-2005 at 11:35
by: unionised |
spectroscope
Or you could cover a coil of fine wire with soot from a candle flame. |
5-7-2005 at 08:57
by: unionised |
spectroscope
The typical sensors in webcams only work in the near IR about 900nm. The spectra that get used for i ... |
4-7-2005 at 13:27
by: unionised |
Splitting Water
Rather a challenge for the amateur experimentor. Come to think of it, I don't think we have the ... |
4-7-2005 at 13:14
by: unionised |
A history challenge
Yeast and grape juice would, given time, be a workable propellant.
There's a plant called the ... |
29-6-2005 at 08:52
by: unionised |
Acetic anhydride, the 2nd.
I'm intrigued by the idea that, because ketene reacts with water, it can't be a real healt ... |
21-6-2005 at 11:39
by: unionised |
High vacuum CHEAP and dirty!
Have you read the thread?
If so, did it occur to you that, if a water aspirator can drop the pressu ... |
20-6-2005 at 12:37
by: unionised |
Rubber stopper and a weird story
Don't forget to calculate how big a bag you need for any CO2 and NOx that might be generated.
... |
19-6-2005 at 04:23
by: unionised |
Potentiometric Titrations
OK, strictly, phosphoric isn't a strong acid but it's fairly strong.
It's pKa is abo ... |
16-6-2005 at 11:08
by: unionised |
Extracting Vitamin C From The Juice Of Orange Or Lemon
Here's a related tale; and an excuse for those of us who like retsina.
http://www.zetatalk.com ... |
15-6-2005 at 13:02
by: unionised |
Extracting Vitamin C From The Juice Of Orange Or Lemon
I seem to remember that rose hips are a good source of vitamin C, but I can't find any good dat ... |
14-6-2005 at 13:06
by: unionised |
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