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Very stubborn stain in a flask
it`s quite possible that the glass itself has become pitted at a micro scale and "frosted", in that ... |
18-7-2007 at 01:14
by: YT2095 |
FIGHT FOR SCIENTIST RIGHTS!!!
LOL, That`s the Spirit!
we can have a Mad-Scientist Pin-up Calendar too! (I`ll take one of the Lo ... |
12-7-2007 at 06:20
by: YT2095 |
Where to Experiment?
[quote][i]Originally posted by tito-o-mac[/i]
Do it in plain field, forest or simply a lab![/quote] ... |
12-7-2007 at 06:16
by: YT2095 |
An odd customer...
perhaps her Husband ordered her to buy them as he`s tired of the "not tonight dear, I`ve got a heada ... |
12-7-2007 at 00:01
by: YT2095 |
FIGHT FOR SCIENTIST RIGHTS!!!
I`m all for it!
and as for drugs and funny smells etc... Who better qualified to know what they`r ... |
11-7-2007 at 08:22
by: YT2095 |
Process to dissolve Cu but not Zn
I can`t think of a way either Zn is far more reactive, the only other exploit I can think of at a pu ... |
9-7-2007 at 07:23
by: YT2095 |
Process to dissolve Cu but not Zn
that`s quite amazing, I`ve never been able to dissolve copper in H2SO4 directly, even the Oxide (CuO ... |
9-7-2007 at 06:43
by: YT2095 |
Process to dissolve Cu but not Zn
Interesting, although I`ve never had any luck at all trying to dissolve copper in sulphuric acid, th ... |
9-7-2007 at 06:21
by: YT2095 |
Process to dissolve Cu but not Zn
where does the Oxygen come from?
the Zn is in the +2 oxidation state and simply replaces the H2, in ... |
9-7-2007 at 05:53
by: YT2095 |
chloral nitrate?
it`s a Perfect pic, I thought I recognised that test tube  |
9-7-2007 at 04:26
by: YT2095 |
Flying stoppers...
I`ve had it happen with a number 71 gas jar bung before when using my bubbler, you can plug the outp ... |
9-7-2007 at 03:05
by: YT2095 |
Process to dissolve Cu but not Zn
Dilute sulphuric will do the same and the product is much more soluble. |
9-7-2007 at 01:04
by: YT2095 |
"organic dye"???
have a look here: http://www.metacafe.com/watch/704958/ultimate_colored_smoke_bomb/
he mentions a ... |
8-7-2007 at 07:05
by: YT2095 |
Nonspecific Descriptions Found in Chemistry Procedures
one that I`m occasionally guilty of (and I`m not alone) is the Spatula add "half a spatula" or "a He ... |
8-7-2007 at 04:49
by: YT2095 |
Rocket Fuel
[quote][i]Originally posted by tito-o-mac[/i]
Just buy one rocket motor yourselves, its much safer ... |
7-7-2007 at 01:45
by: YT2095 |
Mozzie alert
for a start dump any water you have lying around outside and in, Napthalene (even the P-DCB blocks u ... |
6-7-2007 at 07:10
by: YT2095 |
Sulphite to Thiosulphate
Fantastic! Thank You  |
4-7-2007 at 06:29
by: YT2095 |
P.E.M`s (fuel cell)
DAMN IT!
Thanks
but DAMN IT! |
4-7-2007 at 06:26
by: YT2095 |
P.E.M`s (fuel cell)
I have a couple of fuel cells here already but they are only tiny, one is a Fuel cell/Electrolyser a ... |
4-7-2007 at 05:08
by: YT2095 |
Sulphite to Thiosulphate
that makes sense, I already have the Metabisulphite and also the Thiosulphate, and I know I could bu ... |
4-7-2007 at 03:54
by: YT2095 |
Sulphite to Thiosulphate
I can see how it would react if the soln was still basic with NaOH, that would then form polysulphid ... |
4-7-2007 at 01:41
by: YT2095 |
Sulphite to Thiosulphate
I`m going to try and produce sodium Thiosulphate, I can make the sodium sulphite by bubbling SO2 th ... |
4-7-2007 at 01:23
by: YT2095 |
Homemade Car batteries
I`ll give you a tip, don`t use Roofing lead either, I`ve tried it and it`s crap for large scale work ... |
3-7-2007 at 09:20
by: YT2095 |
Electrolytic Oxygen?
buy a packet of seeds, a bag of compost and some plant pots.
it doesn`t get much cheaper than that! ... |
3-7-2007 at 00:17
by: YT2095 |
Manganese Salt Problems
I have the Calcined MnO2 reagent grade here too, I can`t make give of Cl2 either, same problem as Wo ... |
28-6-2007 at 10:05
by: YT2095 |
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