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Sulfuric acid from copper sulfate
<s>I just calculated that this method is capable of generating acid of no higher than 1 M conc ... |
20-6-2012 at 15:56
by: bob800 |
Any good uses for Trichloroisocyanuric acid (C3Cl3N3O3)?
Our admin Woelen has documented several experiments using this chemical:
[url]http://woelen.homes ... |
24-5-2012 at 17:32
by: bob800 |
Microscope Dilemma...
I'm also developing an interest in photomicroscopy; however, I can't figure out what configuration w ... |
16-5-2012 at 16:27
by: bob800 |
Electrolysis of sodium bisulfate
[rquote=248697&tid=20110&author=vampirexevipex]What is the blob glued to the cathone? (also ... |
15-5-2012 at 15:20
by: bob800 |
The Sciencemadness Book Project, Revived
No problem! I don't have time to do anymore converting today, but I'll be happy to convert the finis ... |
8-5-2012 at 14:12
by: bob800 |
The Sciencemadness Book Project, Revived
Nice job so far! (see attachment) |
8-5-2012 at 14:07
by: bob800 |
The Sciencemadness Book Project, Revived
I have a licensed copy of Publisher 2007 which can export to PDF; I'll convert your files if you pos ... |
8-5-2012 at 14:02
by: bob800 |
Pretty Pictures (1)
But would it be possible that the lower voltage is resulting in the poor copper formation (i.e. form ... |
3-5-2012 at 16:18
by: bob800 |
Pretty Pictures (1)
[rquote=211920&tid=14644&author=Squall181]@ Woelen Yes those where made by electrolysis of c ... |
3-5-2012 at 13:24
by: bob800 |
Graphite making methods?
What's wrong with the electrodes from carbon-zinc cells? I've used them in electrolysis experiments ... |
25-4-2012 at 13:14
by: bob800 |
Cleaning glassware
That vapor is just a mist of HCl droplets dispersed in air. I don't understand the trouble you're ha ... |
15-4-2012 at 13:52
by: bob800 |
Model Chemical Engineering?
[rquote=244784&tid=19673&author=Gearhead_Shem_Tov]Obviously you can't miniaturise 40-meter-t ... |
10-4-2012 at 14:09
by: bob800 |
Chinese stirplate/hotplate bargain?
With enough patience, you could probably find a quality Corning hotplate for the same price—I got ... |
3-4-2012 at 14:39
by: bob800 |
Merits of a milligram scale.
You could always get lucky and have that scale work perfectly for you, but scales are usually cheap ... |
12-3-2012 at 17:50
by: bob800 |
SSL error
[rquote=193486&tid=12182&author=Polverone]I have updated the SSL cert. It is still self-sign ... |
24-2-2012 at 13:48
by: bob800 |
Removing Ga from contaminated Al
Maybe nitric acid would work... it should passivate the aluminum, while slowly dissolving the galliu ... |
2-2-2012 at 17:04
by: bob800 |
extract ink from paper
[rquote=235335&tid=18723&author=Adas]There is no solvent that can dissolve paper[/rquote]
A ... |
1-2-2012 at 13:25
by: bob800 |
Calcium Sulfate Hemihydrate
What would happen if, hypothetically, a single molecule was isolated? |
8-1-2012 at 17:52
by: bob800 |
Cheap Glasware
I would give up on Sigma and all the other major suppliers. If you do a forum search, you will find ... |
7-12-2011 at 15:28
by: bob800 |
Cheap Glasware
I haven't had any problems with Bomex or Borosil in my lab. But if you're going to pay for standard ... |
18-11-2011 at 15:03
by: bob800 |
building a filter
I stand corrected.  |
3-11-2011 at 16:38
by: bob800 |
building a filter
Personally, I see no reason to build a complicated multi-stage filter. Just bubble the gas through a ... |
3-11-2011 at 15:28
by: bob800 |
Science project - Oxidation states
[rquote=226210&tid=17905&author=rstar]
Which one should be the most stable Iron(II) salt an ... |
1-11-2011 at 12:28
by: bob800 |
Science project - Oxidation states
You could also use "ferric" (+3) and "ferrous" (+2) compounds, like iron (II) chloride vs. iron (III ... |
31-10-2011 at 12:12
by: bob800 |
The strongest base that does not react with aluminium.
I've seen a Nurdrage video on this principle, but he doesn't use an alkaline electrolyte (he uses ta ... |
21-10-2011 at 17:10
by: bob800 |
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