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Colored inorganic liquids.
KMnO4 is purple due to charge transfer electron transitions, in which an electron goes from an orbit ... |
26-1-2023 at 17:42
by: DraconicAcid |
question about nitrating "aqueous amine hydroxides"
I'm guessing it's referring to the aqueous amines as ammonium hydroxides? |
18-1-2023 at 14:02
by: DraconicAcid |
Looking for an online resource that contains large amounts of solubility data
I downloaded of copy of this somewhere:
https://books.google.ca/books/about/Solubilities_of_Inorgan ... |
12-1-2023 at 21:14
by: DraconicAcid |
Dissolving Cr in NaOH?
I suspect it's because the Cr(OH)4 anion isn't as stable as the analogous aluminum or zinc ions. |
9-1-2023 at 22:37
by: DraconicAcid |
Colours
I was looking for this thread! I also got red Sm(II) ions when dissolving samarium metal in hydroch ... |
8-1-2023 at 14:43
by: DraconicAcid |
Not really iron?
[rquote=680213&tid=159213&author=hodges][rquote=680195&tid=159213&author=Sir_Gawain] ... |
8-1-2023 at 12:21
by: DraconicAcid |
Not really iron?
I find that reaction rarely works, even with proper iron. |
7-1-2023 at 15:04
by: DraconicAcid |
What is this?
[quote] I did some research on the CRC and I can only find that it was basically google in 1901 and ... |
6-1-2023 at 14:04
by: DraconicAcid |
Purification of Cobalt solution (sulphate/Chloride)
If the brown is from iron, you can precipitate the iron with ammonia. Cobalt forms a complex with a ... |
6-1-2023 at 10:08
by: DraconicAcid |
Cesium production from new method
I don't think there's any chance that iron will reduce cesium ions, or that cesium metal would not r ... |
5-1-2023 at 17:20
by: DraconicAcid |
Everyday Chemistry
Okay, so I worked up my samarium(III) sulphate. Nice yellow powder (gonna have to find a way to get ... |
5-1-2023 at 12:15
by: DraconicAcid |
Synthesis of 3,4,5-trimethoxy cinnamic acid using green Knoevenagel condensation
That's a good suggestion. I suppose a Wittig reaction would also work. Thanks. |
5-1-2023 at 00:09
by: DraconicAcid |
Synthesis of 3,4,5-trimethoxy cinnamic acid using green Knoevenagel condensation
This may be a noob question, but is there a version of this reaction that would work with ketones? ... |
4-1-2023 at 11:41
by: DraconicAcid |
Synthesis of 3,4,5-trimethoxy cinnamic acid using green Knoevenagel condensation
Nice.
I did a very similar reaction with p-anisaldehyde, using ethanolamine as the base. I haven ... |
3-1-2023 at 14:15
by: DraconicAcid |
Other acids than oxyacids
There's also bis(triflyl)imine CF3SO2NHSO2CF3 and related acids. |
1-1-2023 at 12:36
by: DraconicAcid |
Secret Santa and Card Exchange – has begun.
[rquote=679763&tid=158934&author=j_sum1]
I am not drunk.[/rquote]
And why not? I drink ... |
24-12-2022 at 23:07
by: DraconicAcid |
Everyday Chemistry
Going to work up my samarium(III) sulphate. |
21-12-2022 at 12:39
by: DraconicAcid |
Idiocy in action; don't be me
Hopefully your Secret Santa hadn't sent you new gloves.... |
18-12-2022 at 11:43
by: DraconicAcid |
Secret Santa and Card Exchange – has begun.
[rquote=679524&tid=158934&author=MadHatter]I've had mail get to the west coast faster than g ... |
18-12-2022 at 10:17
by: DraconicAcid |
Idiocy in action; don't be me
Yikes! I am so sorry for your loss- both your dog and your finger. |
18-12-2022 at 10:15
by: DraconicAcid |
Why can't I make soft clay by mixing with oil rather than water?
[rquote=679437&tid=159140&author=CharlieA]If I implied that there was something wrong with a ... |
14-12-2022 at 21:55
by: DraconicAcid |
Everyday Chemistry
Reacting some of my samarium with sulphuric acid. Yellow. |
14-12-2022 at 16:15
by: DraconicAcid |
Sequence of 'color reactions'
I do a version of this where I pour one solution into several beakers, getting different colours. N ... |
12-12-2022 at 13:40
by: DraconicAcid |
Why can't I make soft clay by mixing with oil rather than water?
No, washing clay won't make it lose it's water-absorbing qualities. Sand isn't SiO2 molecules, but ... |
11-12-2022 at 21:52
by: DraconicAcid |
Why can't I make soft clay by mixing with oil rather than water?
[rquote=679341&tid=159140&author=CharlieA]@Draconic: A bit anthropomorphic, but right on! [ ... |
11-12-2022 at 14:53
by: DraconicAcid |
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