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Rador Labs Challenge 11-12/2014: High Stakes, High Mass
[rquote=366282&tid=45845&author=Oscilllator]Afraid not. That's a polymer with n=10000. Mine ... |
22-11-2014 at 11:01
by: blogfast25 |
Is stirring necessary when performing vacuum distillation?
[rquote=368359&tid=47900&author=Magpie]I have always read that boiling stones don't work in ... |
22-11-2014 at 09:59
by: blogfast25 |
Activated Charcoal
[rquote=368315&tid=47690&author=CHRIS25]Several reliable sources clearly state that there is ... |
22-11-2014 at 08:00
by: blogfast25 |
A chemistry 'Achievements' list idea
[rquote=368030&tid=47694&author=j_sum1]Thirdly, and this might be the kicker, is that many o ... |
22-11-2014 at 05:16
by: blogfast25 |
Rador Labs Challenge 11-12/2014: High Stakes, High Mass
[rquote=368284&tid=45845&author=bismuthate]
I can still analyze it later if you want, but I ... |
22-11-2014 at 05:03
by: blogfast25 |
Efflorescence: testing the salt on the walls
[rquote=368021&tid=47458&author=Artemus Gordon] A piece of cobalt blue glass can be used to ... |
22-11-2014 at 04:29
by: blogfast25 |
calcium carbonate composition in seashells
[rquote=368011&tid=46581&author=CHRIS25]
So what people were saying about drying and not ... |
22-11-2014 at 04:22
by: blogfast25 |
Activated Charcoal
[rquote=368017&tid=47690&author=Artemus Gordon]
I'm not sure if you are asking for a defini ... |
22-11-2014 at 04:12
by: blogfast25 |
Activated Charcoal
[rquote=368013&tid=47690&author=CHRIS25]Obviously have to find out what thee non-volatile so ... |
22-11-2014 at 04:10
by: blogfast25 |
Rador Labs Challenge 11-12/2014: High Stakes, High Mass
[rquote=368018&tid=45845&author=aga]OK.
So are Rador Labs' members allowed to post submi ... |
22-11-2014 at 04:03
by: blogfast25 |
Activated Charcoal
[rquote=368004&tid=47690&author=CHRIS25] I understood this to be the second purest form of o ... |
21-11-2014 at 14:27
by: blogfast25 |
Activated Charcoal
[rquote=367999&tid=47690&author=CHRIS25]Reading up about how to make carbon 'activated' at h ... |
21-11-2014 at 13:29
by: blogfast25 |
Rador Labs Challenge 11-12/2014: High Stakes, High Mass
Still waiting for Bismuthate's response...  |
21-11-2014 at 13:08
by: blogfast25 |
Efflorescence: testing the salt on the walls
For a flame test you'll need to dissolve the stuff in the smallest amount of HCl possible. Add drops ... |
21-11-2014 at 06:09
by: blogfast25 |
calcium carbonate composition in seashells
[rquote=367678&tid=46581&author=CHRIS25]@DraconicAcid. Believe it or not it dries by the ope ... |
20-11-2014 at 13:02
by: blogfast25 |
Isolation of Formic Acid - Questions
[rquote=367655&tid=46582&author=Praxichys][b]"Kinetics of the Permanganate Oxidation of Form ... |
20-11-2014 at 10:52
by: blogfast25 |
calcium carbonate composition in seashells
[rquote=367624&tid=46581&author=CHRIS25][
What would be the reasons then for carbonate and ... |
20-11-2014 at 10:37
by: blogfast25 |
Isolation of Formic Acid - Questions
[rquote=367268&tid=46582&author=S.C. Wack]What's the pH now? Alkaline permanganate oxidizes ... |
20-11-2014 at 10:27
by: blogfast25 |
Sodium Chloride & the appartment dweller
[rquote=367058&tid=46021&author=MrHomeScientist]Never too old to learn! I want to go back fo ... |
20-11-2014 at 05:14
by: blogfast25 |
calcium carbonate composition in seashells
Seems it was an extreme case of poor washing/occlusion. You'll need to BOIL the old batch with clean ... |
20-11-2014 at 04:49
by: blogfast25 |
azeotrope -- diethyl ether and heptane
[rquote=367164&tid=47003&author=jamit]Shouldn't it separate easily without a column? Just ... |
19-11-2014 at 14:29
by: blogfast25 |
calcium carbonate composition in seashells
There has to be a weighing error somewhere, the discrepancy between theor. and actual yield is just ... |
19-11-2014 at 14:26
by: blogfast25 |
Isolation of Formic Acid - Questions
Half reactions in neutral/alkaline conditions
KMnO4 + 4 H(+) + 3 e- === > MnO2 + K(+) + 2 H2O
... |
19-11-2014 at 13:33
by: blogfast25 |
Rador Labs Challenge 11-12/2014: High Stakes, High Mass
[rquote=366578&tid=45845&author=bismuthate]blogfast25, Sb3+ salts are actually quite common, ... |
19-11-2014 at 04:40
by: blogfast25 |
Rador Labs Challenge 11-12/2014: High Stakes, High Mass
[rquote=366578&tid=45845&author=bismuthate][...] but how would I do so for Sb is a challenge ... |
18-11-2014 at 13:10
by: blogfast25 |
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