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YouTube Science Channels Almost had a fire yesterday when I was messing around with superglue and shopping reciepts. I decide ...	18-1-2011 at 05:37 by: DJF90
PREPERATION OF ACIDS FROM ALKALI SALTS Don't use sulfuric acid unless you want to gas yourself with CO!	17-1-2011 at 20:28 by: DJF90
Acidity of Oxo-acids of P Paulings rules as I am familiar with them state that for an oxo acid (O)aE(OH)b, where a and b are i ...	14-1-2011 at 08:49 by: DJF90
Acidity of Oxo-acids of P kmno4 - where did you find this rule? I've not seen it before	14-1-2011 at 04:56 by: DJF90
Acidity of Oxo-acids of P We're considering the pKa1 (2.2) of H3PO4 vs the pKa (2.0 - both from bordwell pka tables) of H3PO2 ...	13-1-2011 at 09:51 by: DJF90
Acidity of Oxo-acids of P The pKa values depend upon the theory. You might want to look at Pauling's rules and the reasoning b ...	13-1-2011 at 08:38 by: DJF90
Make Potassium (from versuchschemie.de) Don't mix halogenated solvents with alkali metals, no matter what the temperature is. Its asking for ...	11-1-2011 at 07:08 by: DJF90
Linoleic Acid -> ... -> Hexanal OsO4/NaIO4 is the original Lemieux-Johnson procedure. As OsO4 is terribly toxic and out of reach for ...	10-1-2011 at 02:23 by: DJF90
Linoleic Acid -> ... -> Hexanal I'm certain Woelen has the preparation on his webpage. I dont recall HNO3 being needed.	9-1-2011 at 14:52 by: DJF90
Linoleic Acid -> ... -> Hexanal Swern oxidation on an alkene? I don't think so... And oxidative cleavage of alkenes requires acidic ...	9-1-2011 at 13:12 by: DJF90
Desperately seeking method for ethyl bromide. I found that HBr fumes also share a similar fruity odour.	9-1-2011 at 07:22 by: DJF90
Manganese Chloride Crystals Here's that paper you wanted John	5-1-2011 at 16:24 by: DJF90
Synthesis of longer chain tertiary alcohols [quote]Of course you can brominate 1-butanol but HBr isn’t cheap either…[/quote] Hence why you ...	5-1-2011 at 13:01 by: DJF90
Converting iodides and iodates to I2 Acidify with 2M H2SO4, not concentrated acid. Then add sufficient peroxide solution (3-9%).	4-1-2011 at 02:09 by: DJF90
Alkoxide salts Alkali metals react less violently with alcohols than they do with water. Ethanol dissolves sodium f ...	3-1-2011 at 14:47 by: DJF90
Converting iodides and iodates to I2 The NaIO3 is your oxidiser and the second equation is correct. Analogous chemistry is used also for ...	3-1-2011 at 14:16 by: DJF90
WTB Hydroxylamine hydrochloride I didn't say its "better than a simple reflux", just that it might be more accessible. You're right ...	1-1-2011 at 12:56 by: DJF90
WTB Hydroxylamine hydrochloride You dont need nitromethane. The preparation in Brauer uses readily available materials and there are ...	1-1-2011 at 04:40 by: DJF90
Make Potassium (from versuchschemie.de) 4 consecutive posts in under 80 minutes. No wonder this thread is 22 pages long...	30-12-2010 at 10:01 by: DJF90
WTB Hydroxylamine hydrochloride Make it, preparation in Brauer.	30-12-2010 at 06:37 by: DJF90
synthesis of Ti and Zr halide I think that was the whole point of the metathesis DDTea... I dont know much about the fluorides ...	28-12-2010 at 04:42 by: DJF90
A simple extraction? How about caffeine from tea. Theres an MIT video on youtube that demonstrates it.	27-12-2010 at 13:47 by: DJF90
catching H2S I thought so... don't worry about it! But yeah, I suspect a 0.01M solution (if not more dilute) of l ...	24-12-2010 at 09:38 by: DJF90
Thiol preperation with Thiourea You changed the procedure and it didn't work. Am I suprised? No. Try following the instructions next ...	24-12-2010 at 09:20 by: DJF90
catching H2S Jor, the point of the lead nitrate was to make indicating strips. For detecting H2S in your workspac ...	24-12-2010 at 09:13 by: DJF90
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