Sciencemadness Discussion Board
Not logged in [Login ]
Go To Bottom

Search
[Next Page]
Poll: What is YOUR level of education??
I just started studying, but I have an accomplished job training as laboratory chemist and some year ...
8-5-2019 at 14:15
by: karlos³
cannabidiol to tetrahydrocannabinol
As for "being active"... I vaporised the outcome, just for your information :)
6-5-2019 at 08:50
by: karlos³
How to kill or at least repel or block ants?
[rquote=611641&tid=149732&author=Morgan][rquote=611631&tid=149732&author=Sulaiman]I ...
6-5-2019 at 08:46
by: karlos³
How to kill or at least repel or block ants?
Isn't celite something that acts on them, drying their trachea out when they crawl over it?
Or is t ...
5-5-2019 at 11:52
by: karlos³
cannabidiol to tetrahydrocannabinol
Well, I tried using a very low concentration of HCl in EtOH on short reflux and it give a strong and ...
5-5-2019 at 11:48
by: karlos³
12 V vacuum pumps for filtration/distillation
I use such a thing for vacuum filtration, works like a charm, nice item and cheap too.
It is a bit ...
5-5-2019 at 11:45
by: karlos³
The synthesis of primairy amines -> NH2OH.HCl + ketone
Please take note that the very long forgotten Nickel/Zinc reduction, which uses a Ni(II) salt in con ...
30-4-2019 at 11:52
by: karlos³
Future-gazing: available now, restricted tomorrow?
To be honest, I think it is of the opposite.
It will may get worse for 1-2 years at max, but then p ...
27-4-2019 at 11:03
by: karlos³
The Short Questions Thread (4)
Would the reaction of a bromoketone and theobromine actually take place at 1-, on the amide between ...
17-4-2019 at 10:19
by: karlos³
EDTA to EDA? Naphazoline Synthesis
[rquote=608715&tid=147993&author=Gryn]Update!
And the other one seems to give a better yiel ...
17-4-2019 at 10:14
by: karlos³
Really into chemistry (Japanese teen yellowcake article)
Oops sorry, haven't seen the other thread.

I agree very much with andys opinion though, that they ...
13-4-2019 at 16:02
by: karlos³
Japan Teen sold yellow cake online
I stumbled upon this rather recent news story and I found it very interesting.
Here is a link: http ...
13-4-2019 at 04:01
by: karlos³
Failed nitro-aldol reaction. Possible cause and fix?
If I might help you a little from experience on this, I know a few people who attempted this already ...
26-3-2019 at 12:53
by: karlos³
Failed nitro-aldol reaction. Possible cause and fix?
One needs to add the nitrostyrene at a much colder temperature, this will give a better yield.
A fr ...
21-3-2019 at 23:24
by: karlos³
Failed nitro-aldol reaction. Possible cause and fix?
Yeah I know about your papers, just quoting what several people told me in private mostly.

If you ...
21-3-2019 at 12:52
by: karlos³
Failed nitro-aldol reaction. Possible cause and fix?
Chemi Pharma, just do it so you are convinced of it working exactly as stated.

The oxime reductio ...
21-3-2019 at 10:13
by: karlos³
Failed nitro-aldol reaction. Possible cause and fix?
I agree very much on that, I used both routes that CJ described, and both result when done right, in ...
16-3-2019 at 08:23
by: karlos³
Trying my hand at genetically modifying plants
[rquote=603510&tid=145405&author=RogueRose]
Is there a name for trying to get a plant to pr ...
2-3-2019 at 22:54
by: karlos³
Failed nitro-aldol reaction. Possible cause and fix?
Thank you for the explaination about the different salts affecting the microparticle size(and thus t ...
1-3-2019 at 03:27
by: karlos³
Failed nitro-aldol reaction. Possible cause and fix?
nimgoldman, don't use CuSO4, that sulfate is an inferior salt.
Better use the chloride, that is for ...
28-2-2019 at 10:32
by: karlos³
Failed nitro-aldol reaction. Possible cause and fix?
[rquote=603826&tid=144546&author=Chemi Pharma]
Karlos, could you give me more information a ...
27-2-2019 at 20:08
by: karlos³
Failed nitro-aldol reaction. Possible cause and fix?
Use NaBH4/CuCl2, it happens to become the new standard among a group of clandestine chemists, puttin ...
27-2-2019 at 01:04
by: karlos³
Questions about clan lab trends (title change)
[rquote=602067&tid=144756&author=j_sum1]
I guess it depends on whether it is run by someone ...
15-2-2019 at 05:34
by: karlos³
Failed nitro-aldol reaction. Possible cause and fix?
I made the same mistake the first time.

It seems to contain some polymeric crap judging by the co ...
13-2-2019 at 12:01
by: karlos³
Sigma-Aldrich
Just ask your regular chemical supplier if he could place an order for you there... usually, they wi ...
7-2-2019 at 15:32
by: karlos³
[Next Page]

  Go To Top