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Dangerously Funky Beakers
Just as a clarification, the ceramics you'll find in coffee cups and such are all probably iner ... |
30-7-2005 at 21:47
by: Cyrus |
Sodium!
Ahh! I typed a long response and the computer ate it. To put it simply, I used patu's method w ... |
30-7-2005 at 13:47
by: Cyrus |
Graphite bisulfate and other graphite salts
Yes, the filtrate was green like Cr2O3. The graphite was supposedly >99.6% pure, but I got it off ... |
28-7-2005 at 15:40
by: Cyrus |
Graphite bisulfate and other graphite salts
I tried to synthesise some graphite bisulfate yesterday.(approximately C24HSO4) following the proced ... |
27-7-2005 at 17:06
by: Cyrus |
DIY heating mantle
Ah, I have a few sq. ft. of 2" 2700 deg. F. kaowool, but... could I use some on such a "lo ... |
26-7-2005 at 16:23
by: Cyrus |
DIY heating mantle
Right now it looks really nasty because of the carbon all over the inner surface, but that willl all ... |
25-7-2005 at 18:30
by: Cyrus |
Silicon (and Boron)
Toldjya so!
It does react. But I never got enough heat going for the silicon to fuse into globu ... |
25-7-2005 at 15:56
by: Cyrus |
DIY heating mantle
I think that getting the coil of wire is the easy part, guys. It's keeping the wire in the rig ... |
24-7-2005 at 13:20
by: Cyrus |
DIY heating mantle
I've made a simple and inexpensive heating mantle as follows; a $1 no-stick coated iron pot (Wa ... |
23-7-2005 at 09:34
by: Cyrus |
Can I get my Van der graff generator to produce a negative electric field by changing the composition of its rollers???
I've been "in the process" of building a vandegraaff generator for the last few years ... |
22-7-2005 at 20:32
by: Cyrus |
unconventional sodium
I've caught the Na/K bug again. I'd like to try the Mg + K2CO3 method, except for this &qu ... |
18-7-2005 at 06:54
by: Cyrus |
Queries on the silver mirror process
I did a lot of research on these electroless silver baths a while ago, and the general opinion was t ... |
18-7-2005 at 06:44
by: Cyrus |
Geopolymeres
I used, perhaps, 0.3 g of borax to 8 ml H2O. The gel wasn't displaying much activity or potent ... |
18-7-2005 at 06:39
by: Cyrus |
Geopolymeres
I tried this reaction with very dilute boric acid and very dilute sodium silicate. It does make a wi ... |
16-7-2005 at 11:43
by: Cyrus |
Geopolymeres
What would the reaction be?
I'm guessing sodium borate would be formed (NaB4O7 IIRC).
So ... |
11-7-2005 at 17:10
by: Cyrus |
PTFE (Teflon) Sintering, coating, forming, and its decomposition.
Oh, I forgot about BromicAcid's thread, good thing they were merged.
I tried heating teflon ... |
11-7-2005 at 16:54
by: Cyrus |
Teflon (ab)use for mad science
Teflon is really easy to get, and really inert, and the only problem is that we can't form it i ... |
9-7-2005 at 23:09
by: Cyrus |
Good prices on beakers
I use bomex for many things too. I've heated some, albeit in an oil bath, and never had any fai ... |
9-7-2005 at 22:51
by: Cyrus |
What about silicon as an anode in a chlorate cell?
~ quote of Lambda
1.- Metal connections will not give as many problems as with the porous ceramic s ... |
6-7-2005 at 16:12
by: Cyrus |
Helpful Hints for ground glassware
Continuing the trend of this thread, I think it would be nice if some of the members would share tri ... |
30-6-2005 at 16:36
by: Cyrus |
PbO2
Well, I decanted solution from the PbO2 I had made earlier 5 times, filtered it, rinsed it with dH2O ... |
28-6-2005 at 20:00
by: Cyrus |
Labcoats--Good Fit, Good Style, etc.
This is a completely random thread, but I think the best labcoat would be one on which you enscribed ... |
21-6-2005 at 20:36
by: Cyrus |
PbO2
That sounds like copper to me. The copper sludge that forms really doesn't look at all like shi ... |
14-6-2005 at 09:50
by: Cyrus |
PbO2
[quote][i]Originally posted by Quince[/i]
...Rubbing the solids between my fingers... [/quote]
... |
13-6-2005 at 08:58
by: Cyrus |
KCLO3 by way of H2O + KCL
Well, I decided to use a nice large glass jar (3.5 L capacity if I fill it to within an inch or so o ... |
12-6-2005 at 19:03
by: Cyrus |
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