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Write-up on making pure BaCl2.2H2O
Woelen - there are many variations of procedure you gave.
In my opinion your procedure is too compl ... |
7-1-2010 at 06:34
by: kmno4 |
Write-up on making pure BaCl2.2H2O
The most sensitive chemical test (I know) for Ca is reaction with disodium salt of dihydroxytartari ... |
6-1-2010 at 02:21
by: kmno4 |
Benzyl chloride from Benzyl acetate
This methode of separation can give very poor results, because of sensitivity of benzyl alcohol to a ... |
27-12-2009 at 12:50
by: kmno4 |
Benzyl chloride from Benzyl acetate
How do you want to recover benzyl alcohol ? Distillation ? |
27-12-2009 at 09:23
by: kmno4 |
Benzyl chloride from Benzyl acetate
For reaction of benzyl alcohol with HCl(aq) you can read here:
http://www.sciencemadness.org/talk/v ... |
27-12-2009 at 07:49
by: kmno4 |
Antibonding and Delocalization....
[rquote=167601&tid=13145&author=DJF90]kmno4 - Lewis structures are useful, and can be used f ... |
21-12-2009 at 03:56
by: kmno4 |
Antibonding and Delocalization....
"Antibonding" orbitals may contribute to lowering bonding energy.
It is easy to see on MO diagram f ... |
19-12-2009 at 00:07
by: kmno4 |
Antibonding and Delocalization....
[rquote=167539&tid=13145&author=DJF90]
kmno4: Lewis structure representation can be very us ... |
18-12-2009 at 15:17
by: kmno4 |
Antibonding and Delocalization....
[rquote=167524&tid=13145&author=bbartlog]One of the simplest examples is the carboxyl group ... |
18-12-2009 at 10:57
by: kmno4 |
Antibonding and Delocalization....
Two remarks:
1.Dot(ted) structures of bondings are mainly for "children".
2. You cannot mess deloc ... |
18-12-2009 at 08:14
by: kmno4 |
solubility of MeOH in toluene/xylene
Data for "Ternary and Quaternary Liquid−Liquid Equilibria for Fuel Additives of the [b]Wat ... |
7-12-2009 at 15:24
by: kmno4 |
Thionyl chloride and iodine-compounds, peculiar reaction.
Given links do not work but I think they lead to Rao's articles about iodide-sulphur-thionyl iodide ... |
7-12-2009 at 11:10
by: kmno4 |
neodymium sulfate??
There is some old article* about "schwarzen Oxyde des Praseodyms", unfortunately in Übermenschen la ... |
29-11-2009 at 08:04
by: kmno4 |
Зaйцев's rule
Exemplary literature to read:
Angewandte Chemie International Edition, Volume 48 Issue 31, Pages 57 ... |
17-11-2009 at 17:10
by: kmno4 |
neodymium sulfate??
My Nd salts are contaminated by something, beacuse Nd oxide preparated by oxalate Nd ignition has ch ... |
10-11-2009 at 23:35
by: kmno4 |
Interesting uses of caffein?
Because of large amounts of no-caffeine coffee production, caffeine became very cheap - price is le ... |
10-11-2009 at 23:00
by: kmno4 |
phenol
Phenol is very cheap reagent. For 1 kg of phenol of good quality (white or very little pink) you sho ... |
6-11-2009 at 23:18
by: kmno4 |
DIY magnetic stirrer
Topic with the same title exists for a long time:
http://www.sciencemadness.org/talk/viewthread.php ... |
6-11-2009 at 04:12
by: kmno4 |
neodymium sulfate??
I have just ended recrystallization process of Nd sulfate.
Evaporating ~250 cm3 of H2O at ~40C was ... |
21-10-2009 at 02:42
by: kmno4 |
neodymium sulfate??
It is interesting.
I also dissolved Nd2O3 in H2SO4 without strange colours.
My eyes noticed only ... |
20-10-2009 at 14:35
by: kmno4 |
neodymium sulfate??
[rquote=164356&tid=12934&author=not_important]Sounds convincing, yet a number of texts state ... |
16-10-2009 at 16:03
by: kmno4 |
neodymium sulfate??
This thread froced me finally to recrystallize my Nd sulfate.
Clear, saturated solution (~28g Nd2(S ... |
15-10-2009 at 14:00
by: kmno4 |
neodymium sulfate??
Hm...
I would try to rule out Fe(III) contamination by adding some thiocyanate. As far as I know Nd ... |
14-10-2009 at 14:22
by: kmno4 |
neodymium sulfate??
What colour is your Nd2O3 ?
[url=http://www.rsc.org/ejarchive/JR/1930/JR9300001633.pdf]This[/url] o ... |
14-10-2009 at 11:34
by: kmno4 |
neodymium sulfate??
My Nd2(SO4)3x8H2O has nice pinky colour in solid state or in solution ( something like diluted Co(II ... |
13-10-2009 at 15:04
by: kmno4 |
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