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The WORST BOOKS Ever Written
[quote][i]Origineel gepost door JohnWW[/i]
...free trip to Paradise with 72 virgins?[/quote]
Somet ... |
5-7-2007 at 23:14
by: phj |
For the Element Collectors
They've even got niobium metal, covered with the blue oxidation layer!
Furthermore I like the tel ... |
4-7-2007 at 12:07
by: phj |
The WORST BOOKS Ever Written
Or how about the first world war that commenced exactly in 1914, as predicted by Daniël?
But we' ... |
3-7-2007 at 07:38
by: phj |
The WORST BOOKS Ever Written
[quote][i]Origineel gepost door daeron[/i]
agreed i dont want to discriminate against the religious ... |
3-7-2007 at 04:29
by: phj |
Dry HBr gas
H<sub>2</sub>SO<sub>4</sub> cannot be used in the production of HBr.
As quo ... |
26-6-2007 at 06:52
by: phj |
Sometimes home chemistry leads to nice things
You should have patented that idea!
Very nice indeed. |
23-6-2007 at 02:15
by: phj |
Burn Saltwater
It seems to me quite obvious that indeed the radiation generator uses much more energy than the flam ... |
19-6-2007 at 06:54
by: phj |
Vanadium oxides
I know for a fact that V2O5 is used as a catalyst in the production of sulfuric acid.
Hence, treati ... |
3-6-2007 at 02:58
by: phj |
chemiluminiscence
Isn't it possible to perform the blue luminol reaction and the singlet oxygen reaction in one system ... |
29-5-2007 at 08:03
by: phj |
Dangers of sodium, unexpected result
Garage chemist, that's very interesting.
So NaCl is less soluble in HCl(sol.) than NaOH in pure wat ... |
29-5-2007 at 07:57
by: phj |
Oxygen Production with H2O2
Vexing, I suggest that you add a little acid (HCl) when working with iron powder.
This will prevent ... |
29-5-2007 at 07:44
by: phj |
Chromate Oxidation Colors
[quote][i]Originally posted by not_important[/i]
Chromium and vanadium are the most colourful with ... |
25-5-2007 at 12:19
by: phj |
Chromate Oxidation Colors
[quote][i]Originally posted by woelen[/i]
In fact, with almost every transition metal you can do re ... |
25-5-2007 at 06:13
by: phj |
Chromate Oxidation Colors
I've done this experiment just a little while ago.
Remarkable is the fact that the deep blue CrO5 y ... |
24-5-2007 at 07:49
by: phj |
Oxygen Production with H2O2
KMnO4 can be used to decompose H2O2 as well as MnO2.
More catalysts for this decomposition are e.g. ... |
23-5-2007 at 02:25
by: phj |
mercury
Many mercurate complexes can be achieved while experimenting with mercury, e.g. tetrajodomercurate, ... |
22-5-2007 at 12:03
by: phj |
Concentrating Vinegar
Is it perhabs possible, to melt sodium acetate and bubble HCl through it?
Then you should get a sed ... |
20-5-2007 at 22:52
by: phj |
Safe Storage of Chemicals - Home Lab Construction
Greetings,
Woelen informed me about this forum a little while ago.
I do some home experimenting ... |
18-5-2007 at 11:52
by: phj |
