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

Search
[Next Page]
Negative priced crude oil. Time to build a home refinery? :)
Why is it that oil is almost free, but yet gas prices here are still way up there. I get that tax ...
21-4-2020 at 17:55
by: Dr.Bob
Corning PC-420 Transformer Replacement
I'll keep a lookout, I have many parts for older Corning units, but not sure if I have any broken 42 ...
21-4-2020 at 17:51
by: Dr.Bob
Negative priced crude oil. Time to build a home refinery? :)
I want to get a crude oil operated electric generator. And a really big oil tank...
20-4-2020 at 15:37
by: Dr.Bob
Nickle Nitrate Source?
Where are you located, and how much are you looking for?
19-4-2020 at 13:52
by: Dr.Bob
Was shipped wrong item, got a bottle of glucose instead of choline chloride. Anything cool I can do with glucose?
I would use it in coffee... Just sedn them a note and ask them to fix it. Any reasonable company ...
19-4-2020 at 07:57
by: Dr.Bob
Science equipment looking for a home
I don't upload a new spreadsheet too often, as while some things change often, the bulk of the thing ...
16-4-2020 at 16:33
by: Dr.Bob
Ground glass joints - US to EU ISO adaptors?
No, a 14/20 won't fit within a 19/38 joint, even at the bottom, and a 19/38 is too big to fit into a ...
16-4-2020 at 16:23
by: Dr.Bob
Cheap OTC DCM in the USA?
If anyine wants DCM in the NC area, I can give or sell you used material that you can distill. I h ...
16-4-2020 at 07:47
by: Dr.Bob
Ground glass joints - US to EU ISO adaptors?
Who cares what standards we use, the glassware I have seen is ALL interchangable. As stated, the l ...
16-4-2020 at 07:45
by: Dr.Bob
Science equipment looking for a home
Electronic and medical gadgets of all types for auction

If anyone is interested in electronics or ...
16-4-2020 at 05:36
by: Dr.Bob
Science equipment looking for a home
Folks, I just found about a kilo of Merck type flash grade (60 Å, ~320 mesh ...) Silica Gel in an o ...
13-4-2020 at 14:10
by: Dr.Bob
Science equipment looking for a home
I want to point out that Springer is making 400+ ebooks available for free right now, including many ...
10-4-2020 at 15:50
by: Dr.Bob
N-nitroso-N-methyl-p-toluenesulphonamide
[rquote=633356&tid=155093&author=Boffis]Ha guys, you are getting way of topic! I am not aski ...
5-4-2020 at 16:39
by: Dr.Bob
CBD THC extraction
Most methods extract both cannabinoids, along with many others. Hard to separate them easily, with ...
5-4-2020 at 16:33
by: Dr.Bob
CBD THC extraction
[rquote=632973&tid=155053&author=chemistry007] First time i tryed to separate the CBD and TH ...
2-4-2020 at 16:55
by: Dr.Bob
N-nitroso-N-methyl-p-toluenesulphonamide
We would dissolve it in a mixture of aq. NaOH and ether and mix for a while. The diazomethane diss ...
2-4-2020 at 16:36
by: Dr.Bob
A convenient home synthesis of brightly colored pyrylium compounds
Great photos and pretty colors. Nice work. This is pretty interesting, I was not familair with t ...
2-4-2020 at 15:12
by: Dr.Bob
Help with synthesis of 5-Bromo-2-naphthoic acid
Not sure how to make the O-triflate without reacting the amine, but if you can do that, it is easily ...
1-4-2020 at 16:50
by: Dr.Bob
Anybody want a huge short path head?
At first I thought, how big can it be, but that is a big boy. For $50, not a bad deal, although it ...
28-3-2020 at 16:31
by: Dr.Bob
Science equipment looking for a home
Not as relevant as a gas mask right now, but I got a few Rotovap motors fixed (with a great deal of ...
27-3-2020 at 12:48
by: Dr.Bob
A theoretical total synthesis of chloroquine I thought up this afternoon
Here are some of the routes to hydroxychloroquine
26-3-2020 at 09:18
by: Dr.Bob
Synthesis of pure esters from long-chain alcohols using Fischer esterification
My solution has been to use an excess of the acid if possible, and then just work up and push the e ...
25-3-2020 at 05:50
by: Dr.Bob
A theoretical total synthesis of chloroquine I thought up this afternoon
There are a number of places looking at both chloroquine and hydrochloroquine as part of their CV th ...
23-3-2020 at 16:35
by: Dr.Bob
A theoretical total synthesis of chloroquine I thought up this afternoon
You would be surprised how many times new routes to compounds have come from small companies or indi ...
21-3-2020 at 06:52
by: Dr.Bob
A theoretical total synthesis of chloroquine I thought up this afternoon
There are a few theories in the papers I saw, and there are new ones every day, but that is out of m ...
20-3-2020 at 17:46
by: Dr.Bob
[Next Page]

  Go To Top