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Is Sigma-Aldrich mad?
Another good reason to buy from Sigma-Aldrich or similar companies is that your scientific publicati ... |
11-8-2015 at 00:35
by: phlogiston |
Is Sigma-Aldrich mad?
I used to buy lots and lots of 25 mg vials of a certain chiral derivatization reagent from Sigma-Ald ... |
10-8-2015 at 14:25
by: phlogiston |
TLC on phospholipids
Your research project is very interesting, it seems to have some overlap with the project I worked o ... |
23-7-2015 at 14:28
by: phlogiston |
Is HCN organic or inorganic?
If you did not use any pesticides, fertilizers, hormones or antibiotics in manufacturing it, your HC ... |
16-7-2015 at 07:29
by: phlogiston |
Precipitate in my urine
It just stays in solution.
Why would you expect it to go anywhere if the precipitate is oxalate?
... |
15-7-2015 at 04:13
by: phlogiston |
Precipitate in my urine
Probably mostly calcium oxalate.
[url=http://www.ncbi.nlm.nih.gov/pubmed/19339629]Characterizations ... |
15-7-2015 at 01:38
by: phlogiston |
Plutonium pill as laptop battery ?
It is undesirable to give the public access to macroscopic amounts of such extremely radioactive sub ... |
14-7-2015 at 12:31
by: phlogiston |
there is anyway to prevent carbon electrode from corrosion during electrolysis.
Filling up the pores with linseed oil or paraffin helps, at least for chlorate cells. Not sure if it ... |
10-7-2015 at 14:24
by: phlogiston |
How many separate liquid phases?
Is it a requirement that they separate spontaneously after mixing, or is it ok to layer different im ... |
10-7-2015 at 07:44
by: phlogiston |
How to Make candles with colored flames?
I tried to make a red coloured candle by dissolving strontium soap and 1,4-dichlorobenzene (as a chl ... |
6-7-2015 at 15:49
by: phlogiston |
Good places to start learning about making recombinant organisms?
Not even that long ago, a few decades, every lab made their own electrophoresis equipment and people ... |
4-7-2015 at 02:10
by: phlogiston |
Good places to start learning about making recombinant organisms?
Equipment is not the biggest problem. Much of it can be made yourself or improvised.
A much bigge ... |
3-7-2015 at 15:35
by: phlogiston |
Growing synthetic diamonds at home?
If you are content to form tiny diamonds for the academic challenge of doing so, rather than macrosc ... |
2-7-2015 at 01:15
by: phlogiston |
Metallic Strontium
One method I haven't seen mentioned yet is by thermal decomposition of strontium azide.
Doable on a ... |
24-6-2015 at 10:08
by: phlogiston |
What to do with 5kg of ammonium nitrate?
It is too hygroscopic to be really useful for that. You could dry it well and make rocket propellant ... |
24-6-2015 at 10:01
by: phlogiston |
Condensing water vapor (cold trap) without dry ice
It only needs to be below the triple-point, ie. 0 deg C. Then, the lower pressure will cause a phase ... |
21-6-2015 at 15:50
by: phlogiston |
War agents discovery(nerve,blistering...etc)
Wikipedia, mentions this regarding the discoverer of the G-series of nerve agents:
[quote]In Janu ... |
15-6-2015 at 13:36
by: phlogiston |
Pyrolysis of plastic for fuel
The main problem with long term storage of gas and diesel is that the most volatile components evapo ... |
13-6-2015 at 07:22
by: phlogiston |
Pyrolysis of plastic for fuel
Isn't plastic waste already being incinerated and the heat commonly used for electricity production? ... |
12-6-2015 at 00:55
by: phlogiston |
Invert 555 Timer Signal
If you decide to follow Woelen's good suggestion of using a CMOS or TTL inverter chip, it is best to ... |
11-6-2015 at 23:59
by: phlogiston |
Help with a giga-battery (Electrochemistry)
In the early 1800's, an interesting era in the history of science and technology, building giant bat ... |
11-6-2015 at 02:42
by: phlogiston |
Periodic Tables to become ILLEGAL in Europe
[rquote=408093&tid=62653&author=unionised]
Lead (II) acetate, lead (II) subacetate and lead ... |
4-6-2015 at 23:37
by: phlogiston |
Periodic Tables to become ILLEGAL in Europe
And mineral collectors.
And people who make ceramics.
And painters.
How come these lists always ... |
4-6-2015 at 11:38
by: phlogiston |
aga's ridiculous model of Matter.
Allright, I resist the initial urge to dismiss it as a more or less random list of vague postulates, ... |
4-6-2015 at 03:37
by: phlogiston |
Catalysts!
[quote]What does a catalyst do? First of all, a catalyst does not change the energetic characteristi ... |
2-6-2015 at 03:14
by: phlogiston |
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