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It also looks like a short-hand version of "square root." |
29-11-2016 at 11:20
by: Ozone |
tlc streaks from dipping
Don't dip the plate in your reagent solution.
Put the solution into a spray bottle and lightly mi ... |
20-10-2016 at 15:12
by: Ozone |
AMmunition from anfo?
It appears that ammonpulver will not fire in a rifle cartridge with the primer alone. A small booste ... |
28-9-2016 at 06:45
by: Ozone |
Protein powder half-life after mixed with water
Unless I've misunderstood your pictures, the bottle has generated gas. As such, fermentation is occu ... |
26-9-2016 at 19:45
by: Ozone |
Flat white. Lab style.
Here's how I did it after the power lines went down after hurricane Gustav in 2008.
Cheers,
O3 |
26-9-2016 at 17:41
by: Ozone |
purity of vanillin for tlc stain
Agreed. I've had decent results with tech grade. You should always run a standard (or surrogate comp ... |
26-9-2016 at 17:28
by: Ozone |
Ridding Apparatus of Water
There is always the glove box, but...
When I'm really worried about water, especially that adsorb ... |
26-9-2016 at 17:25
by: Ozone |
Purity Testing
I'd look for "contract analytical services" or "enviromental testing."
If I was send this to a la ... |
21-9-2016 at 09:23
by: Ozone |
What's the most expensive substance you've bought?
WG48 -- I have to agree, that was (in terms of loss, both collateral and emotional) much more expens ... |
6-9-2016 at 09:27
by: Ozone |
What's the most expensive substance you've bought?
Probably Pediocin A. $252 for 50 micrograms.
Purified peptides are expensive!
O3 |
3-9-2016 at 07:06
by: Ozone |
The trials & tribulations of Thorium production
Correct. It must be first activated to fissile 233-U (which is a natural isotope, but the abundance ... |
25-8-2016 at 19:36
by: Ozone |
The trials & tribulations of Thorium production
Yeah, that core smoked Harry Daghlian and Louis Slotin. Weapons-grade 239-Pu. Interestingly, the pre ... |
24-8-2016 at 17:06
by: Ozone |
People working with chloroform without gloves?
Nitrile and latex are awful with chlorinated organics! This is especially true for DCM. They are wor ... |
19-8-2016 at 09:31
by: Ozone |
Anhydrous AlCl3 handling and storage
Mine keeps well with a wax seal on the lid in a drybox.
O3 |
10-8-2016 at 18:23
by: Ozone |
Unknown Substance
Hmm. Biohazard symbol. Found in a mine. Sounds a little shady, to me (don't you think?). I'd avoid i ... |
2-8-2016 at 16:59
by: Ozone |
how to prepare sand for chromatography
Just standing next to a good-sized object glowing red (and I mean the whole thing, not merely the bo ... |
30-7-2016 at 06:16
by: Ozone |
how to prepare sand for chromatography
Honestly, I don't see why you'd want to treat with alkali first (maybe to be rid of amorphous silica ... |
29-7-2016 at 15:19
by: Ozone |
how to prepare sand for chromatography
I am assuming you plan to use it to bed some other, more useful chromatographic media. We used to wa ... |
28-7-2016 at 08:54
by: Ozone |
Calcium carbonate solution
Even if you were to get hydroxide (which as you now know is strongly disfavored), it will scrounge C ... |
11-7-2016 at 20:28
by: Ozone |
Acrylic acid
I should also warn you that acrolein is *nasty*. I've run into few lachrymators that are worse, and ... |
10-7-2016 at 08:02
by: Ozone |
How to measure fermentable sugar in grass?
Also, I wouldn't recommend fermentation to ethanol as a method of assay--ethanol is but one of sever ... |
21-6-2016 at 17:12
by: Ozone |
How to measure fermentable sugar in grass?
Sucrose is not a reducing sugar, at all. To detect it via any conventional REDOX assay (e.g. DNS (di ... |
21-6-2016 at 16:54
by: Ozone |
Help explaining what happened - Oil bath w/ bleach boiling - broken jar..
I'm guessing the NaOH in the bleach may have made some soap and the layer you are looking at is emul ... |
16-6-2016 at 17:58
by: Ozone |
Can sublimation occur in CH4?
That article is talking about fixing CO2 as limestone.
Aside, the most common form of "solid" met ... |
15-6-2016 at 18:29
by: Ozone |
purification of ketones
No. IIRC, It works for aldehydes and methyl ketones.
O3 |
14-6-2016 at 15:34
by: Ozone |
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