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Salting out Caffeine Just want to add my 2 cents. Be very careful when you shake the seperatory funnel while doing the e ...	14-6-2010 at 05:40 by: rrkss
Best Ether for Grignard? Very interesting. Thanks for sharing! [rquote=179691&tid=11151&author=DJF90]Nope. The fo ...	11-6-2010 at 15:32 by: rrkss
Best Ether for Grignard? Iodine is a better leaving group than chlorine so you need a higher boiling point to allow more heat ...	11-6-2010 at 14:20 by: rrkss
Best Ether for Grignard? Its ethyl ether and I am waiting 4 days before I do the reaction. Don't want to stabilize it becaus ...	10-6-2010 at 20:23 by: rrkss
Best Ether for Grignard? I made ether and dried it in preparation for a grignard but some other obligation came up that makes ...	10-6-2010 at 10:15 by: rrkss
HDPE as a storage for Sulfuric Acid HDPE is supposed to be chemically compatable wtih concentrated H2SO4 however, my personal practice i ...	9-6-2010 at 09:50 by: rrkss
A Nail Polish Remover Still... The erratic boiling is caused by superheating of the organic liquid followed by rapid formation of g ...	9-6-2010 at 08:58 by: rrkss
Sulfuric Acid at Home I've done concentration of sulfuric acid using boiling. When titrated using a mohr pipet and Fisher ...	9-6-2010 at 07:38 by: rrkss
brominating agents What do you want to brominate?	8-6-2010 at 11:04 by: rrkss
Cleaning carbon dust from the bottom of a flask [rquote=179091&tid=13920&author=kmno4]Recently I had similar problem (residue after PS pyrol ...	2-6-2010 at 09:58 by: rrkss
Bad days in the lab or with glassware? Was busy distilling anhydrous Ethyl Bromide from CaCl2 outside for a grignard when one of those frea ...	1-6-2010 at 12:07 by: rrkss
Bad days in the lab or with glassware? I've always done my ether distillations with boiling chips and not sand. Have never had a problem w ...	28-5-2010 at 10:26 by: rrkss
Bad days in the lab or with glassware? Was removing the plastic base from my graduated cylinder in order to dry it with a heat gun and some ...	19-5-2010 at 17:18 by: rrkss
Has one of our members died? Supposedly he died from a pulmonary edema. Don't know if its chemistry related or not, but RIP to h ...	19-5-2010 at 13:31 by: rrkss
Recrystallizing NaOH I'd leave it alone, unless you plan on doing the recrystalization under an inert atmosphere, the NaO ...	18-5-2010 at 19:30 by: rrkss
Seperating Ethanol and 3-methyl-3-pentanol Purchased some Naproxen Sodium Salt at the grocery store for $5 for 50 220 mg tablets. Its very exp ...	18-5-2010 at 18:29 by: rrkss
Seperating Ethanol and 3-methyl-3-pentanol Thanks nicodem for taking the time to write that, your post is a great help and gives me some new id ...	17-5-2010 at 16:20 by: rrkss
Seperating Ethanol and 3-methyl-3-pentanol Does not smell at all like ethyl acetate. Right now I am thinking of preparing bromine water to tes ...	16-5-2010 at 17:15 by: rrkss
Seperating Ethanol and 3-methyl-3-pentanol Any ideas then what it could be? Does not smell like ethanol at all and boils at 77 degrees celsius ...	16-5-2010 at 15:08 by: rrkss
Seperating Ethanol and 3-methyl-3-pentanol Redid the distillation, and nothing came over at the boiling point of my product. Everything came o ...	16-5-2010 at 14:01 by: rrkss
Seperating Ethanol and 3-methyl-3-pentanol I'm gonna dry it with cacl2 to remove ethanol and any residual water. Then do the distillation tomm ...	15-5-2010 at 10:21 by: rrkss
Seperating Ethanol and 3-methyl-3-pentanol I used MgSO4 to do the drying. The emulsion cleared up and I have two distinct layers. I am wonder ...	14-5-2010 at 20:49 by: rrkss
Seperating Ethanol and 3-methyl-3-pentanol Don't own a short column. Would a 70 mm straight adapter be a good substitute?	14-5-2010 at 11:46 by: rrkss
Seperating Ethanol and 3-methyl-3-pentanol I've seperated the two layers. The bottom layer has a very acrid almost burning like smell. The ot ...	14-5-2010 at 11:23 by: rrkss
Seperating Ethanol and 3-methyl-3-pentanol Apparently Ethanol and my product 3-methyl-3-pentanol are not miscible so a large portion of my prod ...	14-5-2010 at 10:26 by: rrkss
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