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how much water in ether Are there any simple methods to determine if ethyl ether is anhydrous - or how much water is in it? ...	11-11-2012 at 07:13 by: soma
purifying secondary amine It's in amber glass. I wondered if the CO2 in the air might cause a problem. I know that CO2 in the ...	24-6-2012 at 15:47 by: soma
purifying secondary amine We've got about 1/4 of a 1L bottle of dipropylamine that's been sitting for several years. I was won ...	24-6-2012 at 03:45 by: soma
Methanol from Windshield Washer Fluid [rquote=202607&tid=15614&author=quicksilver]Heet's fairly expensive for the amount sold; no? ...	20-4-2012 at 18:48 by: soma
CaCl2 + H2SO4 Came across this after doing a search on google. If anyone has access to the Journal of Chemical Edu ...	25-3-2012 at 18:21 by: soma
composition of benzin [rquote=235922&tid=18766&author=zoombafu]1. open browser 2. go to www.google.com 3. type i ...	7-2-2012 at 18:38 by: soma
composition of benzin Anyone know where I can find a listing of the percentages of the components of benzin (vm&p naph ...	5-2-2012 at 03:10 by: soma
heating lithium aluminum hydride with heating mantle [quote]P2O5 is not an acid and I never saw it mentioned for in situ alane preparation.[/quote] Th ...	31-1-2012 at 14:16 by: soma
heating lithium aluminum hydride with heating mantle Sorry, I was referring to this: [quote] Sometimes reversing the reaction selectivity by forming ...	30-1-2012 at 20:22 by: soma
heating lithium aluminum hydride with heating mantle Would you have any (online) literature references? I used to have a paper that discussed this but ha ...	30-1-2012 at 17:57 by: soma
heating lithium aluminum hydride with heating mantle I've seen, in a few places, that it isn't recommended to heat LAH (in THF) using heating mantles. Th ...	28-1-2012 at 18:32 by: soma
peroxides in thf? After reading thru a few threads I've noticed a few mentions of thf peroxide formation being dangero ...	9-10-2011 at 01:55 by: soma
Ts joint sizes I've been trying to find a conversion table for Ts joints. I want to get some 29/42 glass stoppers b ...	25-9-2011 at 02:48 by: soma
drying alcohol stabilized ether with molecular sieve After searching through a few lab manuals under "distillation" I finally found one that said to dist ...	2-9-2011 at 01:16 by: soma
drying alcohol stabilized ether with molecular sieve Further questions: In the last distillation I stopped distilling at around 60C. (2 gallons of eth ...	1-9-2011 at 17:52 by: soma
aluminum hydride? I had read that by adding P205 to a LAH reduction of a secondary amide, that aluminum hydride is for ...	12-8-2011 at 17:59 by: soma
drying alcohol stabilized ether with molecular sieve I think I found the problem. -- I don't know if this is usual but this ether has 2% ethanol as stabi ...	12-8-2011 at 16:40 by: soma
drying alcohol stabilized ether with molecular sieve [rquote=216531&tid=17070&author=peach]Did you try testing the sieve after you took it out of ...	25-7-2011 at 15:34 by: soma
mixing phosphorus pentoxide with celite I found this: [quote]500 gms of CELITE diatomaceous earth was mixed with 1320 gms of liquid ammon ...	24-7-2011 at 02:19 by: soma
mixing phosphorus pentoxide with celite I have seen some articles that say that phosphorus pentoxide can be mixed with celite to produce a d ...	23-7-2011 at 03:37 by: soma
drying alcohol stabilized ether with molecular sieve I didn't try testing the sieve afterwards, but when I first added it, it didn't noticeably bubble, s ...	21-7-2011 at 17:14 by: soma
drying alcohol stabilized ether with molecular sieve I recently got alcohol stabilized anhydrous ether. I tried removing the alcohol using 4A molecular s ...	21-7-2011 at 15:44 by: soma
3,4,5 trimethoxy phenyl methyl amine? Anyone ever heard of this substance - or of anyone who might know if there is any biological activit ...	9-7-2011 at 02:06 by: soma
how to re ink a thermometer Would appreciate info on how to re ink a thermometer. I've been using a lead pencil to do it but it' ...	14-5-2011 at 16:34 by: soma
thf and cobalt I haven't been able to find much information on 4-hydroxybutanal (4-hyroxybutyraldehyde). I'm wonder ...	14-5-2011 at 01:30 by: soma
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