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seperation of cobalt and copper
Very nice! |
27-2-2020 at 09:37
by: sbreheny |
Fuchsin confusion
Quick note - I confirmed that the enthalpy of solution of sodium metabisulfite is positive ( +27kJ/m ... |
22-2-2020 at 22:48
by: sbreheny |
Fuchsin confusion
[rquote=631295&tid=154877&author=RadicallyStabilized]Now this thread has evolved from "fuchs ... |
22-2-2020 at 22:43
by: sbreheny |
Fuchsin confusion
And here is the counter-point:
https://pubs.acs.org/doi/abs/10.1021/ed077p830.1
(Freely-downlo ... |
18-2-2020 at 17:15
by: sbreheny |
Fuchsin confusion
Sigma Aldrich also thinks it exists:
https://www.sigmaaldrich.com/catalog/product/sigald/243973
... |
18-2-2020 at 17:04
by: sbreheny |
Fuchsin confusion
I just noticed that on the talk page of the German wiki there is also a discussion of whether it exi ... |
18-2-2020 at 17:01
by: sbreheny |
Fuchsin confusion
[rquote=631250&tid=154877&author=RadicallyStabilized]It's in the German wikipedia: https://d ... |
18-2-2020 at 16:58
by: sbreheny |
Fuchsin confusion
[rquote=631235&tid=154877&author=RadicallyStabilized]Ok, seems to work, good.
Are you sur ... |
18-2-2020 at 02:43
by: sbreheny |
Test for acrolein
To see whether I was indeed working with an aldehyde at all, I performed Schiff's test and got a ver ... |
17-2-2020 at 20:35
by: sbreheny |
Fuchsin confusion
Thanks to everyone for their help. I took RadicallyStabilized's suggestion that I probably needed mo ... |
17-2-2020 at 20:31
by: sbreheny |
Fuchsin confusion
[rquote=631194&tid=154877&author=RadicallyStabilized]You probably need to add more (meta)bis ... |
17-2-2020 at 20:19
by: sbreheny |
Experiments with concentrated nitric acid
[rquote=630973&tid=154860&author=woelen]For small demo-experiments, which demonstrate its pr ... |
17-2-2020 at 02:40
by: sbreheny |
Fuchsin confusion
I am in the process of preparing Schiff's reagent using 0.25g of this dye, 0.25g of sodium bisulfite ... |
17-2-2020 at 00:43
by: sbreheny |
dissolving W in H2O2
Very nice! Is your welding electrode Thoriated? Just a bit of caution in case it is because you will ... |
16-2-2020 at 21:54
by: sbreheny |
Fuchsin confusion
I guess I should note that I got 41 grams. The number in front of "Oz." on the original label was n ... |
16-2-2020 at 17:35
by: sbreheny |
Fuchsin confusion
[rquote=631128&tid=154877&author=wg48temp9]
It looks like you paid $50 for a +20 year old ... |
16-2-2020 at 17:32
by: sbreheny |
Fuchsin confusion
I don't know if this is a clue which might allow someone to help me out, but I did some tests which ... |
16-2-2020 at 02:39
by: sbreheny |
Fuchsin confusion
Hi all,
From an eBay seller I bought a chemical labelled "Red Fuchsin Basic" (see attached photo) ... |
13-2-2020 at 22:56
by: sbreheny |
Test for acrolein
[rquote=630735&tid=154840&author=Boffis]Sorry yes I mean Feigl. Try libgen or archive.org[/r ... |
8-2-2020 at 19:37
by: sbreheny |
Test for acrolein
[rquote=630698&tid=154840&author=Boffis]Have you checked out Vogel's "Organic spot test in o ... |
8-2-2020 at 13:47
by: sbreheny |
Test for acrolein
[rquote=630681&tid=154840&author=DavidJR]What about Brady's reagent to at least see if it's ... |
7-2-2020 at 13:57
by: sbreheny |
What's the cheapest metal powder to make?
I have not tried soldering aluminum but I have cast things out of zinc with very good results. For t ... |
7-2-2020 at 13:43
by: sbreheny |
seperation of cobalt and copper
If you can get the cobalt in the metallic form (even if mixed with other metals or compounds), you c ... |
7-2-2020 at 13:33
by: sbreheny |
Divalent chromium
Fery: a bit off-topic but I like your signature line "If there is a heaven, it seems not to be mater ... |
7-2-2020 at 13:26
by: sbreheny |
Test for acrolein
Hi all,
I have a sample of liquid which I believe, based on smell, contains some acrolein (smells ... |
7-2-2020 at 13:14
by: sbreheny |
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