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Plasmid vectors, E. coli, Bacterial transformation
Last year I took AP biology and one of the labs entaled bacterial transformation of a non-pathogenic ... |
13-12-2010 at 21:26
by: crazyboy |
refrance TLC plate
Unfortunately TLC is no good for identifying unknown compounds. It can tell you if they are polar or ... |
5-12-2010 at 19:01
by: crazyboy |
Make Potassium (from versuchschemie.de)
A fascinating thread indeed but if you read the comments, attempts to reproduce the results with gea ... |
1-12-2010 at 21:01
by: crazyboy |
Kipp's Apparatus
That looks poorly designed, what would prevent H2S or whatever gas you are producing from simply bub ... |
1-12-2010 at 18:20
by: crazyboy |
Esters
The carboxylic acid for pentyl acetate is acetic acid, the carboxylic acid for methylpropyl formate ... |
25-11-2010 at 23:11
by: crazyboy |
Hexamine from Esbit tablets
You might be able to get away with it but in general it is never a good idea to use reagents with un ... |
17-11-2010 at 18:32
by: crazyboy |
sea water , fresh water corrosion
[quote]
Seawater is normally more corrosive than fresh water because of the higher conductivity and ... |
6-11-2010 at 12:46
by: crazyboy |
Solvent recovery
What waste are you talking about? Do you mean rotovaping reactions and saving the solvent to wash gl ... |
31-10-2010 at 12:39
by: crazyboy |
Preparation of Iodomethane
[rquote=190896&tid=12475&author=Arrhenius]Whoa really? I would just chuck it down the drain. ... |
21-10-2010 at 21:37
by: crazyboy |
How to get type S thermocouple readout ?
[rquote=190543&tid=14682&author=Magpie]Controlling a hotplate is not ordinarily the intent. ... |
17-10-2010 at 21:44
by: crazyboy |
How to get type S thermocouple readout ?
How are those used to regulate the temperature of, say, a hot plate? I understand the thermocouple a ... |
17-10-2010 at 16:03
by: crazyboy |
Preparation of Iodomethane
How should one go about disposing of the reaction mixture and cleaning the distillation equipment in ... |
17-10-2010 at 13:21
by: crazyboy |
3,4-dihydroxy-5-methoxybenzaldehyde synthesis
Do you have a reference for this procedure? |
10-10-2010 at 10:20
by: crazyboy |
The short questions thread (3)
[rquote=189103&tid=14239&author=smuv]
It seems you have overcome the hurdle of obtaining a ... |
4-10-2010 at 15:53
by: crazyboy |
Setting up a burner
I don't own a Bunsen burner and I never intend to purchase one. In my opinion open flames are a seri ... |
3-10-2010 at 18:28
by: crazyboy |
The short questions thread (3)
Does anyone have experience using aqueous sodium metabisulfite to remove free iodine from compounds? ... |
3-10-2010 at 16:39
by: crazyboy |
glassware suppliers that sell to hobbyists?
I buy most of my glass from Cynmar and various vendors on eBay. I have never purchased from Chemglas ... |
1-10-2010 at 19:20
by: crazyboy |
Net Ionic Equation - little help please
You need to add a coefficient of 2 to the nitrate anion because as it is now the ionic equation is n ... |
28-9-2010 at 16:33
by: crazyboy |
Do stains on hotplates affect performance?
It's fine. |
28-9-2010 at 15:40
by: crazyboy |
Using hot plates
Putting flasks and beakers directly on a hotplate is fine, just don't do it with Pyrex brand cookwar ... |
27-9-2010 at 15:42
by: crazyboy |
storing hops etc
Just store them in a plastic bag in the freezer with as little oxygen as possible. I don't know what ... |
26-9-2010 at 12:38
by: crazyboy |
overheating hotplate with Al foil?
I have never heard of a hotplate overheating. I would suggest using a water or sand bath or a heatin ... |
25-9-2010 at 13:12
by: crazyboy |
The short questions thread (3)
[rquote=188276&tid=14239&author=ayush]
Will any one write what is the software used to ge ... |
25-9-2010 at 07:41
by: crazyboy |
Professional Laboratories, How is Waste Dealt With?
In my experience solvent waste is poured into large empty solvent drums which are separated into hal ... |
21-9-2010 at 18:42
by: crazyboy |
Methylation of phenolic aldehydes with MeI in DMF: 2-methoxybenzaldehyde
Great work Klute. Can NaOH be used in place of KOH in the methyl iodide methylation? |
21-9-2010 at 18:10
by: crazyboy |
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