Papers!
(jk my company mandates it after unilaterally deciding to stop paying for endnote and forbids other software im miserable send help)
Papers!
(jk my company mandates it after unilaterally deciding to stop paying for endnote and forbids other software im miserable send help)
But… but… muh thulium…
jk all lanthanides are the same don’t @ me physicists
also Ce(IV) catalyst stans
also also total synthesis tryhards who think SmI2 is ever the right call
Phosphorus, sulfur, …?
Most chem PhDs don’t even know the whole thing lol. We had to memorize just the symbols in high school, but positions weren’t required. In my grad-level inorg course, the first test was a blank table that we had to fill in, but even then the f-block and transactinides were not required.
I mean… just rotate it 90 degrees ((()))
Oh, I’m sure this’ll end well.
/s
Corpse, Corps, Horse, and Worse
I will keep you, Susy, busy,
Make your head with heat grow dizzy;
Tear in eye, your dress you’ll tear;
Queer, fair seer, hear my prayer.
Best I can tell from quick internet searches: Old English: wīfmann/menn (“female person/s”). The w rounded the following vowel giving a wo- pronunciation, which for some reason (umlaut?) stuck for the singular but not the plural. The spelling of the plural changed to match that of the singular in spite of the pronunciation.
* Everything here carries the caveat “in some dialects, …” because English
Or when you ask for feedback on the structure and what to include before you polish a bunch of stuff that would be cut or rewritten, only to be returned a half-finished low-effort style (“grammar”) nit-pick of a draft with increasingly angry comments about repeated “errors”, culminating with swearing at you, how dare you waste his time, how dare you not read his Grammar_Lesson.docx (God help you, you did) and submit a draft that doesn’t follow its rules (it was largely compliant), you’re a native English speaker anyhow and should know better, and what the fuck is compound 12a, you didn’t define it anywhere but keep referring to it (it was defined in-text in the previous paragraph and in the figure above it), fix it all and the rest of the doc before you bother him again.
that yellow and that green are problematically close
Good article, reactive web design notwithstanding (stop. breaking. my. scrolling). I’m not surprised that obtaining the chemicals was that easy, even accounting for the mislabeling and fake products. A lot of these chemicals are pretty simple and have pretty general use cases in the fine chemicals space. Hell, I had occasion to use (2-bromoethyl)benzene, aniline, and propionyl chlorde in school for making random precursors and ligands, albeit separately. I wonder if they are at all harder to procure nowadays because of the fentanyl epidemic.
Edit: checked some of my old work, didn’t actually use (2-bromoethyl)benzene but did make a related compound as an intermediate for ligand synthesis using a very satisfying Appel reaction.
Depends what is meant by green. Acetone is decent for health and safety (flammability notwithstanding) but is produced from petrochemicals and tied to the production of phenol (petroleum -> benzene and propane (or natural gas -> propane), propane -> propylene, benzene + propylene -> cumene, cumene + O2 -> phenol + acetone). Not much chlorophyll involved. Also has somewhere between a moderate to obscene CO2 burden depending on how you draw that box in and around the oil industry, but so do most commodity chemicals.
I for one haven’t used heavy metal catalysts in a year
Maybe not directly, but a lot of commodity chemicals rely on some truly vile metal mixtures for catalysis :)
Aqua regia ain’t no piranha, and also ain’t the most concerning thing in my post lol.
Ah bromime. Super dense, low MW, and low bp, all making dosing accurate amounts a heroic feat. If you store your bromine cold, you can precool the pipette by sucking up and spitting out a few times before transfering, which helps cut down the vapor.
That’s just bad management / just put it on high vacuum
Yes. The whole thing is satirizing the “Safety -> Against” bit. Each piece, though exaggerated for effect, has a basis in something I’ve seen over the years.
Regarding NMR tubes though, the answer in my old group was precious metal complexes, which have a tendency to mirror out once they’ve done their bit. Or just existed for too long; a lot of them were touchy. The mirror tends to resist solvents and scrubbing. Nitric acid alone sometimes was enough to remove it depending on the metal, but often not. At some point the cost, effort, and danger are all supposed to outweigh just binning the lot and buying new tubes, but my PI was allergic to buying new things.
Like, so what if we store our tBuLi with other low-flash point flammables? And pyrophoric oxidizers? In the same bin? That’s stuck in a block of ice in the 30-year-old freezer because it hasn’t ever been de-iced?
What if the power goes out for a long period of time and the tBuLi goes for a swim? Or we say you have to de-ice the freezer?
Haha sounds crazy. And, I wouldn’t have to do the shitty quench before disposal. Or work on that project anymore.
Because you’re injured or because PI fires you?
Haha, yeah :)
:|
:)
:|
Oh, while you’re here, does this still smell like DCM? I can’t tell if I rotavapped it all off and the NMR tubes all need aqua regia (sorry my b).
I was just looking at a 1950s paper at work about how some nutjob made a poly(alkene peroxide) (styrene, I think?), isolated the fucker, and lit it on fire just to see what would happen. those were the days. Nowadays some lawyer with a chemistry minor decides that our hand sanitizer bottles need big red PEROXIDE FORMER labels and 1-year expiration dates (true story, though no longer the case). Now, I’m not saying that we should be allowed to make polyperoxides for the express purpose of lighting them on fire… unless 😳👉👈…?
Do I not see the color because I’m protan or what? Does that even make sense for optical illusions?
7 is closer to 10 than 6 so we consider that 7 is really just a 10 with a size-3 hole in it and we fill that hole with 3 from the 6 giving a 10 with 3 left over which make 13.
Also not an ADHD thing.
It happens in industry, too, but often it’s even the stakeholders’ fault :) I’ve still got so many reports to write…