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Anyone go to university chemistry seminars? Or view chem department profiles?
I have been lucky enough to go to talks by many great scientists, from Nobel award winners to great ... |
23-11-2023 at 18:56
by: Dr.Bob |
Anyone go to university chemistry seminars? Or view chem department profiles?
I used to go to many university seminars, as well as internal and external corporate ones, plus plac ... |
22-11-2023 at 17:58
by: Dr.Bob |
2023 Science Madness Secret Santa – The fun begins!
Mad Hatter,
Got your postcard yesterday, it reminded me of a weekend in Vermont one winter many ... |
16-11-2023 at 17:04
by: Dr.Bob |
Why do we need so many elements (and energy) ?
If you really want to see the details on energy use and sustainability, there is a somewhat depressi ... |
9-11-2023 at 11:14
by: Dr.Bob |
Distillation Newbie (my 2nd post ever!)
Making an ester from the acid and alcohol is always fun, or cleaving ethyl acetate into ethanol with ... |
7-11-2023 at 10:37
by: Dr.Bob |
A foray into phenethylamines of the Shulgin kind
Beautiful writeup, I wish any of the papers I try to follow was as thorough, detailed and had photos ... |
7-11-2023 at 10:33
by: Dr.Bob |
Mild alkylation via excess AgNO3 and alkyl halide
That sounds like an interesting way to alkylate a tough substrate. I am not real familiar with tha ... |
7-11-2023 at 10:29
by: Dr.Bob |
Sources for buying chemicals from China
It depends on what chemicals. Most things are much simpler to get from near by than from china, ot ... |
24-10-2023 at 17:14
by: Dr.Bob |
The Short Questions Thread (4)
I just checked and it seemed to work fine for me:
=MOD(2387373278378,1000) provides 378 for me.
... |
18-10-2023 at 16:54
by: Dr.Bob |
The Short Questions Thread (4)
Or just use the MOD function and do X MOD 1000, which will return only the remainder of a division b ... |
18-10-2023 at 09:03
by: Dr.Bob |
Looking for a supplier
If you look through the forum some, there are at least a few european sources here, just requires so ... |
18-10-2023 at 09:00
by: Dr.Bob |
my crackpot theory of brominations in acetic acid
I have to agree that this looks like a radical reaction to me as well, not that I am any expert, but ... |
18-10-2023 at 08:58
by: Dr.Bob |
Heating mantle power rating
For heating organic solvents, which have a lower heat capacity, lower wattages are fine, especially ... |
16-10-2023 at 14:47
by: Dr.Bob |
Why do we need so many elements (and energy) ?
That's my point, many people don't want pollution here, but they ignore it in other places, even if ... |
14-10-2023 at 17:30
by: Dr.Bob |
Why do we need so many elements (and energy) ?
I agree that it is possible to reduce energy usage, going down about 50% on average would be very do ... |
14-10-2023 at 05:58
by: Dr.Bob |
Why do we need so many elements (and energy) ?
I agree that using too much power is silly, but most of that is used by individuals, who want to go ... |
13-10-2023 at 10:28
by: Dr.Bob |
Elemental Scientific Liquidating Chemicals, glassware, and used equipment
I bought a few things (I actually needed a few things that I don't have in my pile of glassware) fro ... |
13-10-2023 at 10:04
by: Dr.Bob |
Solvent storage - metal bottles
I have some 120 ml qorpak glass bottles, amber (used once for solvent, some have label residue on th ... |
9-10-2023 at 16:22
by: Dr.Bob |
2023 Science Madness Secret Santa – The fun begins!
I'm in, always a fun time. Thanks to j_sum1. |
9-10-2023 at 12:22
by: Dr.Bob |
Secret Santa 2023
I'm happy to participate. Always fun to connect with more mad scientists, although most days I am ... |
2-10-2023 at 14:48
by: Dr.Bob |
(Anhydrous?) Ethanol from car E85
Almost all gasoline contains some amount of benzene, toluene, xylene and ethylbenzene, as those are ... |
26-9-2023 at 17:32
by: Dr.Bob |
(Anhydrous?) Ethanol from car E85
Some alkanes like heptanes will boil above ethanol and likely a trace of aromatics. Remember gasol ... |
23-9-2023 at 16:21
by: Dr.Bob |
Has any chemical/pharmaceutical company sued each other before?
When I was in the pharma indurstry, there were constant lawsuits between companies over patents, inf ... |
22-9-2023 at 07:07
by: Dr.Bob |
How to totally destroy non-stick coating?
If you really want to destroy the non-stick coating, just let my wife use it a couple of times, she ... |
17-9-2023 at 10:25
by: Dr.Bob |
Laboy glassware might be dead...
The LNxxxCN number is an international customs tracking number, so it might be fine. Most won't sho ... |
13-9-2023 at 11:29
by: Dr.Bob |
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