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Potassium Iodide From Iodized Table Salt
Peach once did this, with a photograph novel-type post, somewhere on this forum. Great to read/watch ...
21-2-2013 at 07:15
by: Bezaleel
Suitable test tubes for use with 48% HF
[rquote=272914&tid=23087&author=woelen]- Add a few drops of HF (48%) to a solution of ferric ...
11-2-2013 at 06:45
by: Bezaleel
HF and Si/SiO2
For my masters degree, I performed EPR measurements on defects in silicon. The defects were due to i ...
11-2-2013 at 06:40
by: Bezaleel
Electrolysis of bismuth and oxide layers
I'm sorry if I missed someting very basic here, but isn't it peculiar that the oxide layer is remove ...
21-1-2013 at 09:21
by: Bezaleel
Cleaning and making lithium look presentable
[rquote=249747&tid=20125&author=Zan Divine]I can be sure that a 0.001 mm Hg vacuum is drier ...
10-1-2013 at 09:16
by: Bezaleel
Lab Glassware Identification Guide
I guess it's in appendix M - Mad Glassware ;)
8-1-2013 at 03:28
by: Bezaleel
Make Potassium (from versuchschemie.de)
[rquote=267729&tid=14970&author=Nicodem]One expected problem with the longer chain [i]t[/i]- ...
3-1-2013 at 06:57
by: Bezaleel
Lab scale industrial processes
Have you already started working on hydrogen through electrolysis? I've been working on that for a f ...
16-11-2012 at 07:25
by: Bezaleel
NaCl and Potassium Ferrocyanide
As Science Squirrel suggestes, I'd filter the solution. I'd use a filter of the finest pore size you ...
6-11-2012 at 05:29
by: Bezaleel
Lab scale industrial processes
Ehm, yes, so I had only one eye open ;)

But, plante1999, [i]how[/i] did you make it cool down slo ...
6-11-2012 at 04:19
by: Bezaleel
Lab scale industrial processes
Hi Plante1999,

On page 7 of volume 2 you mention the following equation:

2CaOH + 2SiO2 &#8 ...
5-11-2012 at 08:40
by: Bezaleel
Chromium Revisited
[rquote=232174&tid=18216&author=DerAlte]You can get the blue peroxy color from excess H2O2; ...
12-1-2012 at 16:00
by: Bezaleel
Molybdenum hydrate?
I have my doubts whether the colour change is due to (de)polymerization, since none of the isopolymo ...
5-1-2012 at 15:13
by: Bezaleel
Chromium Revisited
Blogfast25, your suggestion with Sn is indeed a great test. I doubt it will indeed reduce the Cr+++, ...
25-12-2011 at 16:46
by: Bezaleel
Pretty Pictures (1)
Your picture looks like a queer kind of sheet metal in a flask. Cool.
25-12-2011 at 16:36
by: Bezaleel
Chromium Revisited
[rquote=230499&tid=18216&author=blogfast25]
Catalysts do NOT affect the ΔG or & ...
21-12-2011 at 11:54
by: Bezaleel
Molybdenum hydrate?
It is at least striking, that a yellow or orange compound of MoO3 is formed from strongly oxidizing ...
21-12-2011 at 08:53
by: Bezaleel
Chromium Revisited
[rquote=230443&tid=18216&author=DerAlte]{ [i]Herein lies the 200 year old mystery of the “ ...
21-12-2011 at 08:29
by: Bezaleel
Molybdenum hydrate?
Maybe a related observation is the following (I admit this adds to the confusion):

1. add 1 mole ...
16-12-2011 at 16:49
by: Bezaleel
Molybdenum hydrate?
A remark in Gmelin's Handbuch states that there exist two hydrates of molybdenum oxide. One is white ...
14-12-2011 at 06:37
by: Bezaleel
Pretty Pictures (1)
Thanks to Nick F for the suggested type of UV lamp (found one for under $5 on e-bay). Comparison of ...
13-12-2011 at 19:51
by: Bezaleel
Hydrochloric acid hydrogen peroxide mix
It then seems that especially
[rquote=229812&tid=14490&author=AJKOER]At 60° another reacti ...
13-12-2011 at 18:49
by: Bezaleel
Hydrochloric acid hydrogen peroxide mix
Interesting. I have a concentrated solution of BaCl2, forming crystals. The solution contains a bit ...
11-12-2011 at 16:55
by: Bezaleel
UV pigment powder
I've got the blue and pink pigments here, and in a different packing, but there's not even a hint on ...
11-12-2011 at 08:30
by: Bezaleel
Recovering useable components from a car battery
Taking one of the cathodes, and dissolving it in 22% nitric acid (allow the major NOx vapors to esca ...
26-11-2011 at 17:36
by: Bezaleel
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