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Why is osmium tetroxide volatile?
I work with electron microscopes and work with this stuff every week. I'm used to the double gloves, ... |
4-3-2017 at 08:59
by: Scalebar |
Nitrogen Triiodide in The Movies
Iodate & periodate based flash compositions will make a purple cloud of vapour, I've seen a coup ... |
3-3-2017 at 06:04
by: Scalebar |
Changing salt water (sea water) drinkable (or less poisonous) by replacement reaction or acid
[rquote=474704&tid=72316&author=zwt]There is another technology for producing a potable liqu ... |
15-2-2017 at 07:56
by: Scalebar |
Quick question about microscope eyepieces
Whether or not that's any use though will depend on the numerical aperture of the lens - a 40x air l ... |
9-2-2017 at 00:38
by: Scalebar |
I want to hear your favorite chemistry demonstrations
[rquote=473574&tid=28848&author=Melgar]
Aluminum/gallium/indium alloy at 96:3:1 is air-stab ... |
3-2-2017 at 06:35
by: Scalebar |
I want to hear your favorite chemistry demonstrations
I like doing calcium metal in water - it's the about the most reactive things I'm comfortable lettin ... |
3-2-2017 at 01:47
by: Scalebar |
Tryptophan conversion using Phalaris grass protein extract
Good point. What about soybean trypsin inhibitor? http://science.sciencemag.org/content/101/2635/66 ... |
16-1-2017 at 07:42
by: Scalebar |
Tryptophan conversion using Phalaris grass protein extract
I used to work in food chemistry, there are some precedents for whole cell lysate reaction - a coupl ... |
16-1-2017 at 01:04
by: Scalebar |
Tryptophan conversion using Phalaris grass protein extract
I suppose it's not a complicated pathway but you'd definitely need a protease inhibitor, the goods o ... |
13-1-2017 at 04:46
by: Scalebar |
best way to pack a chromatograpy column
For our size exclusion columns it's wet pack from slurry using a reservoir on the top, if you want t ... |
13-1-2017 at 04:43
by: Scalebar |
Making fumigation candles - sulfur + paraffin = SO2 for pest control and preservative
If you get it via the agricultural route, there are two forms of flowers of sulphur ( in the UK at l ... |
13-1-2017 at 04:37
by: Scalebar |
Potassium nitrite solution
There's probably easier ways but boiling a known volume down to constant weight ( ie. really really ... |
16-12-2016 at 04:34
by: Scalebar |
Using Diflouroethane instead of Nitrogen?
Could you perhaps generate crude nitrogen by burning a metal in a sealed container of air to strip o ... |
16-12-2016 at 01:39
by: Scalebar |
lead into water - fine, pewter, not so
[rquote=468284&tid=71125&author=unionised]
If you just tip hot metal into water there's no ... |
6-12-2016 at 00:56
by: Scalebar |
lead into water - fine, pewter, not so
Something I experienced a long time ago but I caught something on a website that reminded me of it a ... |
5-12-2016 at 02:06
by: Scalebar |
Solvent drying - molecular sieves
If it's an issue for you, mol sieves can be dusty as hell - I have to filter my anhydrous ethanol fo ... |
28-11-2016 at 08:03
by: Scalebar |
glass eating microbes
There's a nice page about them here -
http://www.truetex.com/lens_fungus.htm
I do find them f ... |
28-11-2016 at 05:51
by: Scalebar |
2,4-DNPH in schools - overreaction
[rquote=465975&tid=70619&author=macckone]sodium and chlorine compounds are found contaminati ... |
4-11-2016 at 00:29
by: Scalebar |
2,4-DNPH in schools - overreaction
Actually, is detonation really going to destroy the stuff or if it's still wet in the container, is ... |
2-11-2016 at 07:20
by: Scalebar |
2,4-DNPH in schools - overreaction
There have been a couple of news reports about this - and couple of places calling the bomb squad ov ... |
2-11-2016 at 01:30
by: Scalebar |
Carbon Foam Refractory Made From Bread
Nice find. I'm trying to put a furnace together myself for metal work. I wonder if excluding air wou ... |
1-11-2016 at 00:57
by: Scalebar |
Gunpowder from Table Salt
[rquote=461799&tid=69307&author=ElchScience]The Handblasters seem like a really fun toy. I r ... |
23-9-2016 at 00:02
by: Scalebar |
Is Sigma-Aldrich mad?
[rquote=415601&tid=63283&author=RareEarth]I believe the reason is entirely due to purity.
... |
22-9-2016 at 23:55
by: Scalebar |
Chemistry Projects
I use it for shooting time lapse movies ( you can find them on Youtube on the Oddscience channel ), ... |
18-9-2016 at 23:50
by: Scalebar |
Chemistry Projects
Physarum ( slime mold ) chemotaxis & other responses or its potential as a bio-oil producer if y ... |
15-9-2016 at 07:06
by: Scalebar |
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