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sulfuric acid accident
I use only glass to store my concentrated acids and store them in small quantities (100 mL amber gla ... |
21-4-2010 at 10:28
by: rrkss |
Preparation of Nitric Acid
Just ran your experiment as written. Did make nitric acid but upon titration I got 12 molar nitric ... |
21-4-2010 at 10:01
by: rrkss |
Making glacial acetic acid
I've always heated my acetate + H2SO4 flask until distillation stops somewhat ignoring the temperatu ... |
2-4-2010 at 20:55
by: rrkss |
Toluene and KNO3
Well thinking about it more, you are right. The methyl group on toluene would slightly activate the ... |
2-4-2010 at 20:50
by: rrkss |
Toluene and KNO3
Nitration of Toluene is very tough and will require some very harsh conditions if that is what you a ... |
2-4-2010 at 11:04
by: rrkss |
puzzling extraction
Use teabags and make a really concentrated tea solution by boiling the teabags in water. Then do an ... |
28-3-2010 at 11:39
by: rrkss |
puzzling extraction
Couldn't you use an enzyme to break the starch down and then do the extraction with the hot water/ic ... |
26-3-2010 at 11:17
by: rrkss |
Bad days in the lab or with glassware?
Was doing a reaction that involved a solution of NaOH. Ended up freezing the joints to one my adapt ... |
25-3-2010 at 21:57
by: rrkss |
Picking the right condenser?
300 mm liebeg is more than enough for those tasks as long as you have a constant source of cool wate ... |
12-3-2010 at 03:59
by: rrkss |
'Continuous' distillation?
I've always done small batches with plain old white sugar. I do 8 liter batches at a time. Add 1.4 ... |
10-3-2010 at 10:19
by: rrkss |
'Continuous' distillation?
Let your product sit for a day or two and it will smell like ethanol. Whatever that fishy smell is, ... |
9-3-2010 at 23:57
by: rrkss |
Picking the right condenser?
Personally I use a 200 mm West (Liebig with a smaller jacket) for most of my work whether that is di ... |
9-3-2010 at 19:18
by: rrkss |
Chemical Demonstration Idea Suggestions
Dissolving Styrofoam in a solvent usually has gotten wows for me. Acetone and Ethyl Acetate are two ... |
8-3-2010 at 20:43
by: rrkss |
Problem boiling down sulfuric acid
[quote]Graphite oxide exfoliates and decomposes when rapidly heated at moderately high temperatures ... |
4-3-2010 at 12:11
by: rrkss |
Problem boiling down sulfuric acid
I use graphite boiling chips in my acid to prevent bumping. Activated carbon should do the same thi ... |
3-3-2010 at 18:17
by: rrkss |
Problem boiling down sulfuric acid
After a certain concentration, sulfuric acid emits more SO3 gas that water vapor. The SO3 looks lik ... |
3-3-2010 at 08:34
by: rrkss |
Subsurface Delivery Adaptor
I found a straight drip adaptor being sold by expediglass on ebay. I'm gonna try that with a 70 mm ... |
28-2-2010 at 11:18
by: rrkss |
Subsurface Delivery Adaptor
I need an adapter to extend the outlet of my addition funnel for subsurface delivery like what is de ... |
27-2-2010 at 11:07
by: rrkss |
Barium(II) acetate and Lead(II) acetate + phenylacetic acid -> P2P?
[rquote=172719&tid=13444&author=harmlessexperiment]Come on guys be open-minded. I'm an expwe ... |
27-2-2010 at 09:53
by: rrkss |
Hotplate/Stirrer melting something?
probably dust and stuff from the packaging and shipping materials. Just let it run a bit and things ... |
20-2-2010 at 22:28
by: rrkss |
ChemicalsRUs and KaiChem buying
I've purchased from them twice. Both times I got exactly what was described and the quality was pre ... |
20-2-2010 at 09:28
by: rrkss |
Ethyl Acetate?
[rquote=172082&tid=13298&author=chemrox]@rrkss-"This is counterproductive as you loose produ ... |
17-2-2010 at 00:26
by: rrkss |
Ethyl Acetate?
The mechanism involves the carbonyl C=O on the acetic acid being protonated. In order to do that ef ... |
16-2-2010 at 10:01
by: rrkss |
Ethyl Acetate?
Well I just reran my synthesis and upon the second distillation, I did add a thermometer. It came o ... |
15-2-2010 at 20:51
by: rrkss |
Cellulose Acetate w/o AcOAc
Sounds interesting. I'm gonna try the reaction in a simple erlenmeyer flask in a hot water bath to ... |
12-2-2010 at 11:50
by: rrkss |
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