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Girls!
Where I work as a technician there a girls and women all over the place. I work in the med chem labs ...
3-3-2006 at 15:46
by: mick
Does density matter with powders?
I would stick with the idea that 1 formula wt or molecular wt made up to 1 liter is a 1 molar soluti ...
18-2-2006 at 15:05
by: mick
Chemical Storage Containers
Best of luck
Sort out your storage, crack the ampuole and everything should be OK. A lung full of b ...
14-2-2006 at 11:47
by: mick
Why is Pt a good catalyst?
Catalytic hydrogenation is a 3 phase reaction. Gas, liquid and solid. The solid adsorbs the gas and ...
13-2-2006 at 13:25
by: mick
Why DMF is controlled?
DMF is a high boiling industrial solvent, 140oC. Handled with caution it should be OK. You should tr ...
29-1-2006 at 16:00
by: mick
How do I calibrate a pH metre
Try distilling water off from a dilute solution of NaCl. Discard the first portion. The pH should be ...
29-1-2006 at 15:32
by: mick
Gas Questions
I mol of an "ideal gas" occupies 22.4 L at STP whether they are different gases.
I think PV=nrT
n ...
23-1-2006 at 13:50
by: mick
BrF3 Reation
Expensive but tantalum might work.

mick
15-1-2006 at 10:56
by: mick
What vacuum funnel porosity to get?
I have used stuff called Decon 90 and other stuff called Lipsol in the UK to clean sintered glass fu ...
15-1-2006 at 10:43
by: mick
5-azidotetrazole synth gone horribly wrong
The comment above was from personal experience. I know an organic azide is "safe" at a low level. I ...
15-1-2006 at 09:08
by: mick
THF in general synthesis.
It depends on the final molecular weight, depends on the temperature. Azetrope the water off and mea ...
15-1-2006 at 08:23
by: mick
How does K2r work??
You could try get some "water glass" which is sodium silicate solution (in the UK it is still sold a ...
15-1-2006 at 07:54
by: mick
5-azidotetrazole synth gone horribly wrong
I assume you bought the tetracene over the counter.

mick

An azidotetrazole just sounds too stu ...
14-1-2006 at 13:49
by: mick
filter paper
Is there a post on the art of filtration.
Filter under vacuum, pressure or gravity? Grade of filter ...
13-1-2006 at 13:13
by: mick
Lab hot plates in the UK
A good over head stirrer could be a rechargable drill (sparky). The one I have got also drills holes ...
11-1-2006 at 13:34
by: mick
Questions about working at very low temperatures
Dri-ice should cool an excess of liquid such as acetone or isopropanol down to -75oC ish. If the the ...
10-1-2006 at 11:34
by: mick
Chemical Storage Containers
Try using a polypropylene cap with good seals rather than a phenolic cap

mick
9-1-2006 at 15:53
by: mick
Filling gas flasks at home using a fridge compressor
If you want liquid ammonia find an old camper fridge that runs on gas (ammonia). The one I have got ...
8-1-2006 at 14:46
by: mick
Chemical Storage Containers
I have stored 250 ml of Bromine for over 10 years, checked every year. The seal is PTFE covered sili ...
7-1-2006 at 16:34
by: mick
Making Gold III chloride?
I might be wrong but I thought that

Aqua Regia dissolves gold because the conc. nitric acid conve ...
7-1-2006 at 15:46
by: mick
Making Gold III chloride?
If you have thought of all the other options, best of luck if you want to do what you are going to d ...
3-1-2006 at 13:34
by: mick
Making Gold III chloride?
Have you thought of sign writers gold leaf as the source of gold. I am not sure of the grades availa ...
3-1-2006 at 11:12
by: mick
Alkyl and Aryl Derivatives of the Alkali Metals
H. Gilman did do a lot. The other names you mentioned also did a lot.

mick
28-12-2005 at 13:48
by: mick
THF in general synthesis.
I do not think THF is a good sovent for esterification. Alcohols are good for that with a bit of bas ...
27-12-2005 at 11:05
by: mick
Practice Questions?
I was going to reply to the concentration and molecular weight of sugar.
Another interesting quest ...
12-12-2005 at 16:28
by: mick
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