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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 |
I just got 165Gal of isopropanol 99%, what to do?
Where are you located? You might be able to sell it, swap it, or just make a big fire. |
10-9-2023 at 16:58
by: Dr.Bob |
The mad chemist's guide to mushroom hunting
A guy who lives down the road from me, wrote a guide to mushroom foraging, called:
How to Forage ... |
5-9-2023 at 10:49
by: Dr.Bob |
Louisville home chemist's house to be burned
Seems like a typical stupid government response. Maybe the bomb experts at the LAPD can help them. ... |
31-8-2023 at 11:21
by: Dr.Bob |
Science equipment looking for a home
That's a lot of stuff, maybe J-sum and some of the other other Aussie's can do a group buy of hotpla ... |
25-8-2023 at 06:26
by: Dr.Bob |
Control of reflux temperature for fractional distillation - how?
If people really want some fancy distillation heads, I have a variety. A few are pristine, a few h ... |
2-8-2023 at 09:34
by: Dr.Bob |
Solvent recovery - DIY Alembik
You can buy a distillation kit used on Ebay for a $100-200, I would do that in a minute if I really ... |
2-8-2023 at 09:27
by: Dr.Bob |
Is LiH a strong enough base to deprotonate indole
Yes, it should deprotonate the indole N-H. Almost anything will work for that. I think many indol ... |
2-8-2023 at 09:24
by: Dr.Bob |
Where to get DCM?
The challenge is that most European and Asian countries have much denser populations, thus mass tran ... |
27-7-2023 at 09:33
by: Dr.Bob |
Where to get DCM?
If you are in NC, I know a guy... |
25-7-2023 at 15:50
by: Dr.Bob |
Recrystallizing molten sulphur in a calcium chloride brine
That is a really cool experiment, never would have thought of using aq CaCl2 for that. But I have ... |
15-7-2023 at 16:50
by: Dr.Bob |
Using a vacuum filtration flask in vacuum distillation?
Thicker flask walls make the flask stronger, but much more prone to breakage from quick heating and ... |
29-6-2023 at 09:39
by: Dr.Bob |
stopcock on pressure equalized addition funnel is stuck. Help?
Bromine and some strong bases can slowly attack PTFE, among a few others. It is a small number of ... |
23-6-2023 at 14:41
by: Dr.Bob |
Corning PC-420 For Sale
I sold this to Oncorhynchus a while back, and it was in great working condition, so I can say that i ... |
22-6-2023 at 10:25
by: Dr.Bob |
stopcock on pressure equalized addition funnel is stuck. Help?
Glad it worked OK. I have had many stuck stopcocks like that, usually heat or sonication works, bu ... |
22-6-2023 at 09:18
by: Dr.Bob |
Science equipment looking for a home
If you go back oine page, there are a bunch of photos of what I had a few months ago, and I have alm ... |
19-6-2023 at 16:19
by: Dr.Bob |
Science equipment looking for a home
I have addition funnels in some sizes and joints, I might have a lab stand left or something similar ... |
19-6-2023 at 13:06
by: Dr.Bob |
Decomposing methyl iodide
any amine will be much faster. |
13-6-2023 at 09:13
by: Dr.Bob |
Are you guys using ChatGPT
Maybe it can do better if you ask it to make penicillin or something else. But I doubt it. Chat ... |
8-6-2023 at 10:19
by: Dr.Bob |
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