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A question that might be important.
Why do you think a lithium cell (if that's what it was and not an Li ion cell) would contain iron di ... |
15-3-2013 at 20:25
by: DerAlte |
Nitric Acid by Precipitation Reaction
I should have watched the video earlier but these days 20mins. seems to exceed my attention span! (G ... |
11-3-2013 at 10:53
by: DerAlte |
Nitric Acid by Precipitation Reaction
I have not tried this reaction nor watched the video, but it sounds promising. One caveat: calcium n ... |
10-3-2013 at 21:08
by: DerAlte |
Purification Of Acetic Acid From Vinegar
@ScienceSquirrel
Re: You are having a laugh?
AJKOER = anagram of A JOKER - I always get the i ... |
1-3-2013 at 12:38
by: DerAlte |
Purification Of Acetic Acid From Vinegar
DONALD W wrote:
[quote]Have you ever heard the saying,"call no man a fool", probably not and even ... |
1-3-2013 at 12:32
by: DerAlte |
Is this hypomanganate?
Yes, As Draconic says. MnO4- = permanganate or Mn(VII); manganate MnO4(2-) or Mn (VI); Hypo = MnO4(3 ... |
1-3-2013 at 10:55
by: DerAlte |
Is this hypomanganate?
@Weiming
It is very unlikely that hypomanganate is present under the conditions you describe. Se ... |
1-3-2013 at 08:34
by: DerAlte |
Meteor Over Russia, Feb. 15, 2013
@Sedit
My number for mag. of the moon was transposed - should have read -12.7 mag.
[quote]Acco ... |
20-2-2013 at 22:51
by: DerAlte |
F- From Tap Water?
Typical TDS levels in the US are about 250ppm. That is, tap water is about 99.975% H2O. How many che ... |
20-2-2013 at 22:25
by: DerAlte |
Meteor Over Russia, Feb. 15, 2013
OK, let’s do a little calculation. Media quotes are all over the place regarding estimated number ... |
20-2-2013 at 21:31
by: DerAlte |
Higgs Boson Seen?
[b]Further Speculations on The Standard Model[/b]
http://cosmiclog.nbcnews.com/_news/2013/02/1 ... |
19-2-2013 at 10:17
by: DerAlte |
Purification Of Acetic Acid From Vinegar
[quote]EFFECT OF SWEATING ON THE PURITY IN MELT CRYSTALLIZATION
W. S. Choi, K. J. Kim
Crystallizat ... |
17-2-2013 at 17:35
by: DerAlte |
Hydrogen Peroxide purification
[rquote=274160&tid=22896&author=APO]Hey I found this which is similiar to salting out, but I ... |
8-2-2013 at 22:07
by: DerAlte |
Hydrogen Peroxide purification
[b]Déjà vu all over again[/b]
It is perhaps inevitable in a long running forum like SM that the ... |
1-1-2013 at 09:14
by: DerAlte |
Resonator Circuits and Imaginary Numbers
I have rarely read such unmitigated crap anywhere. It is a conflation of vague nonsense on topology, ... |
27-11-2012 at 12:41
by: DerAlte |
I made some nitric acid
The Birkeland-Eyde is incredibly inefficient due to the endothermic nature of the reaction. It has b ... |
18-10-2012 at 21:32
by: DerAlte |
Sodium Chromate from stainless stell 18/10
There seems to be an increased interest in the forum recently re Chromium compounds. I have collated ... |
17-10-2012 at 09:43
by: DerAlte |
Best chemical for cleaning glasses?
For goodness sakes do not try the idiotic suggestion of the last poster! I assume your lenses are pl ... |
12-10-2012 at 17:00
by: DerAlte |
cool stirling engine
Fascinating! I wish the guy had given us a few more technical details such as fluid flow, intercoole ... |
2-10-2012 at 12:21
by: DerAlte |
Sorry for the downtime
Only when we are deprived of our daily visit do we realize how much of a debt we all owe to Polveron ... |
20-9-2012 at 05:56
by: DerAlte |
Permanganates
You can use 5% NaCl. Dissolve as much Na2CO3 in it as you can. For the Mn02 you could use the that f ... |
9-9-2012 at 18:54
by: DerAlte |
Permanganates
Have a look at http://www.sciencemadness.org/scipics/MnOXY.doc
The particular section you need is ... |
8-9-2012 at 22:17
by: DerAlte |
separation of Ni/Cd from batteries
See: http://www.sciencemadness.org/talk/viewthread.php?tid=8645#pid146289
Der Alte |
28-8-2012 at 16:41
by: DerAlte |
water "ionizers" pH anomaly
Blogger: [quote]This means that at pH 9.14, [H3O+] = 10-9.14 = 7.2 10-10 (mol/L) and for pH = 9.5, [ ... |
24-8-2012 at 21:24
by: DerAlte |
Mercury from Vacuum Tubes
Where on earth did you get the ridiculous idea that thermionic tubes contain Mercury? It’s about t ... |
19-8-2012 at 20:37
by: DerAlte |
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