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Detection and Identification of Radioactive Materials 137-Cs (really 137m-Ba)...in everything. 662 keV. You might find something special with some longer ... |
17-9-2015 at 18:56 by: Ozone |
extraction - skip defatting That's another reason why acidifying a liquid (not a solid, like this) first is a good idea: emulsif ... |
15-9-2015 at 19:37 by: Ozone |
extraction - skip defatting Look up liquid-liquid extraction (more applicable to A/BN) and the Craig counter-current apparatus. ... |
14-9-2015 at 19:49 by: Ozone |
possible to make 1-butanol from OTC ingredients??? For interest, look up anaerobic fermentation using Clostridium acetylbutylicum (et al). This is the ... |
14-9-2015 at 18:32 by: Ozone |
extraction - skip defatting Yes. Another name for the traditional scheme is A/BN or acid and base/neutral. Acidifying first rend ... |
14-9-2015 at 18:18 by: Ozone |
Is there any acrylamide in food? Yes. It has been there since we began to cook food. This is not news.
Compared to the other risks ... |
9-9-2015 at 19:37 by: Ozone |
Silvering Failures and Waste Disposal If you are going to use nitric (obviously for the advantage of not having a ppt'ing counter-ion), do ... |
30-8-2015 at 11:18 by: Ozone |
Silvering Failures and Waste Disposal You must use a reducing sugar like glucose. Sucrose is non-reducing and stable to hydrolysis (invers ... |
30-8-2015 at 05:47 by: Ozone |
nit pick with sucrose molecular weight There is a limit to how accurate/precise you can be. Every value (measurements, compound purity, ads ... |
30-8-2015 at 05:18 by: Ozone |
What did actually explode in Tianjin ? Yeppers. Ka-boom.
And, nice video. Bad-ass. We sure knew how to do it, back in the day.
O3 |
20-8-2015 at 17:02 by: Ozone |
Bacteria eating citric acid Oh, microbes, especially fungi, are incredibly versatile and opportunistic. I've seen white, fluffy ... |
20-8-2015 at 16:52 by: Ozone |
Water Analysis Machine/Instrument Yes. IC is the way to go for most of that. Na, NH4, K, Mg, Ca, Zn, etc. via cation IC (conductivity ... |
20-8-2015 at 16:41 by: Ozone |
What did actually explode in Tianjin ? It looks like they found some of the missing cyanide. Of course, the despite the abundance of eviden ... |
20-8-2015 at 16:24 by: Ozone |
What did actually explode in Tianjin ? True, that. |
19-8-2015 at 18:44 by: Ozone |
What did actually explode in Tianjin ? Well, I figured that if a rxn would only go in weasel bone crucibles, that some principle intrinsic ... |
19-8-2015 at 18:28 by: Ozone |
What did actually explode in Tianjin ? We neglect to mention that the warehouse may have been built over a long-forgotten weasel graveyard. ... |
19-8-2015 at 18:18 by: Ozone |
On mass production "Only works where xA = yB where x < y < 5 and best when y=2.71 to 2.73 and the pot is made of ... |
7-8-2015 at 15:20 by: Ozone |
Need a UV-Box for TLC, any suggestions? So long as your sensor is sensitive, and with the path lengths generally employed in a spectrophotom ... |
6-8-2015 at 19:43 by: Ozone |
Need a UV-Box for TLC, any suggestions? I'm just saying that they exist. I found some a couple of years ago that were cheap. I'll try and re ... |
6-8-2015 at 13:40 by: Ozone |
How to make organic, epoxy-like material? Mannitol isn't hygroscopic like sorbitol. |
6-8-2015 at 12:46 by: Ozone |
How to make rust? If you want rust very quickly, add 9% hydrogen peroxide [what I tested; diluted from a (titrated) 30 ... |
4-8-2015 at 14:58 by: Ozone |
Need a UV-Box for TLC, any suggestions? 255 nm close enough for you? There is more than enough spectral overlap with 254.
http://www.s-et ... |
3-8-2015 at 13:58 by: Ozone |
Need a UV-Box for TLC, any suggestions? I'd go for the SW/LW UV-type, typically switchable from 254 to 365 nm.
Shame, though. It's incred ... |
3-8-2015 at 09:45 by: Ozone |
How to make organic, epoxy-like material? Not exactly, "look at some plant resin exudates known to cast amber and the like."
Anyhow, what ... |
3-8-2015 at 09:42 by: Ozone |
How to make organic, epoxy-like material? Sugars don't really melt. They lose water and decompose (via polymerization of intermediate HMF, etc ... |
29-7-2015 at 14:33 by: Ozone |
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