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Ostwald reactor from platinized silica wool
Thanks for the compliments Heptylene. I don't think there is any problem with that temperature diff ... |
10-8-2018 at 12:39
by: WGTR |
Tired of reporting spam
So perhaps if a new account posts to all sub forums in a short time, the spam deletion script should ... |
10-8-2018 at 11:10
by: WGTR |
wiring PID controlled heating tape from 230V to 120V
If you can find 120V lamps, then you can add them up in parallel until they equal 500W, and then put ... |
9-8-2018 at 19:20
by: WGTR |
Ostwald reactor from platinized silica wool
I inserted the quartz tube into the furnace and ran some brief tests today.
I calibrated a flow ... |
8-8-2018 at 21:12
by: WGTR |
Electrical Ark Furnace Req.
Well, I've made a few small ones in the kiln that I have linked in my signature. They're a mix of G ... |
8-8-2018 at 18:20
by: WGTR |
Tired of reporting spam
I'm afraid that spam_laurie just had a very short and meaningless existence on sciencemadness. Her ... |
8-8-2018 at 16:44
by: WGTR |
Tired of reporting spam
That means that some of those accounts are old enough that they are no longer "new", and require a m ... |
8-8-2018 at 04:37
by: WGTR |
potassium cyanide
There is an extensive discussion and good information on the various methods of cyanide production, ... |
7-8-2018 at 18:05
by: WGTR |
Which would be more a useful gas: Nitrogen or Argon?
A rotameter with an adjustment knob would be a must-have, I think. The necessary size of the rotamet ... |
7-8-2018 at 13:38
by: WGTR |
Which would be more a useful gas: Nitrogen or Argon?
Argon is all around better, I think. Nitrogen is cheap when ordered as a liquid by the tanker-full, ... |
7-8-2018 at 10:54
by: WGTR |
Ostwald style nitric production
At least you're getting more acid than unconverted ammonia. That is an accomplishment. Are you ab ... |
6-8-2018 at 03:44
by: WGTR |
XRumerTest - Why?
When I try to register that username I get an error, saying that the member already exists...yet it ... |
6-8-2018 at 03:20
by: WGTR |
Ostwald style nitric production
[rquote=523367&tid=71282&author=BaFuxa]It is no suprize that industry uses platinum/rhodium ... |
5-8-2018 at 12:04
by: WGTR |
How to home school a 13yr old in chem in 1 week?
I guess a good part of where to go from here involves what your's and her interests are, and what ty ... |
5-8-2018 at 09:23
by: WGTR |
Ostwald reactor from platinized silica wool
Here's an update:
The quartz tubing arrived, and I selected the 7mm x 9mm tube for the reaction t ... |
4-8-2018 at 23:20
by: WGTR |
Ostwald reactor from platinized silica wool
It looks like my quartz tubing will arrive Wednesday, so I'll start picking things up again later th ... |
30-7-2018 at 03:03
by: WGTR |
Electrical Ark Furnace Req.
From http://www.crct.polymtl.ca/fact/documentation/FTsalt/FTsalt_Figs.htm:
[file]69678[/file] [f ... |
30-7-2018 at 02:45
by: WGTR |
Senior Science Fair Ideas?
How far can you go with your science fair competition? When I was in high school, there was the usu ... |
29-7-2018 at 14:17
by: WGTR |
Electrical Ark Furnace Req.
[rquote=526329&tid=86188&author=Abromination]
Borax for flux?[/rquote]
For zinc, I use:
... |
29-7-2018 at 13:09
by: WGTR |
This forum needs more moderators
That was three full pages of spam. Sigh. At least it's mostly gone now.
So far as I know I'm ... |
29-7-2018 at 13:03
by: WGTR |
Cerium (III) Oxide
I should clarify that I don't claim that I reduced it all the way to metallic cerium, but rather jus ... |
29-7-2018 at 05:15
by: WGTR |
Electrical Ark Furnace Req.
That's a pretty simple requirement, really. You don't need an arc furnace for that. I've done a sm ... |
28-7-2018 at 19:36
by: WGTR |
Cerium (III) Oxide
Also, if one wants to reduce CeO[sub]2[/sub], this is not too difficult. I used a small borosilicat ... |
28-7-2018 at 16:56
by: WGTR |
Electrical Ark Furnace Req.
The power resistor keeps you from having a short circuit. Anyways, you need DC power, not AC, unles ... |
28-7-2018 at 16:46
by: WGTR |
Cerium salt fluorescence under UV light
I purchased some 99.99% (!) purity CeO[sub]2[/sub] from [url=https://www.ebay.com/str/Paul-Brown-Stu ... |
28-7-2018 at 16:34
by: WGTR |
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