Sciencemadness Discussion Board
Not logged in [Login ]
Go To Bottom

Search
[Next Page]
My copper waste solution does not want to clear up
The goal is just to reduce the amount of waste and make the liquid safe enough to be poured down the ...
9-9-2019 at 17:29
by: nimgoldman
My copper waste solution does not want to clear up
I have an old bottle labeled "Cu waste". It contains dissolved copper from my early experiments, nam ...
1-9-2019 at 22:05
by: nimgoldman
Unclogging a glass frit
I use hot nitric acid, since it is such a strong oxidizer and attacks even metals (sometimes I filte ...
1-9-2019 at 21:55
by: nimgoldman
Vacuum Oven vs Kiln for Molecular Sieve Drying
The steel balls are a pretty good idea!

I've come out with my "standard procedure" like this so f ...
31-8-2019 at 01:13
by: nimgoldman
Chloroform reaction mixture disposal (acetone + bleach method)
Suprisingly, the light-green waste solution turned brown/red over last few days. It smells of aceton ...
3-8-2019 at 09:09
by: nimgoldman
Chloroform reaction mixture disposal (acetone + bleach method)
I have not used household bleach but a commercial sodium hypochlorite solution. It was originally 12 ...
1-8-2019 at 08:35
by: nimgoldman
Useful reference books in the lab
[b]CRC Handbook of Chemistry and Physics[/b]
(though I use mostly Wikipedia these times)

[b]Dest ...
31-7-2019 at 13:17
by: nimgoldman
Liquid Bromine Accident
You might consider getting a [url=https://www.3m.com/3M/en_US/company-us/all-3m-products/~/All-3M-Pr ...
31-7-2019 at 13:03
by: nimgoldman
Making 33% w/w HBr in GAA
Unless you need absolutely anhydrous solution, I would go for the patent mentioned above.

At smal ...
31-7-2019 at 12:54
by: nimgoldman
Chloroform reaction mixture disposal (acetone + bleach method)
I have recently synthesized chloroform using 6 500 mL of 7% sodium hypochlorite mixed with 95% molar ...
31-7-2019 at 12:42
by: nimgoldman
What opioids/opiates can be made 100% syntheticaly without poppies
Mitragynine is an indole-based opioid found in the leaves of Mitragyna speciosa plant, known as krat ...
15-7-2019 at 15:58
by: nimgoldman
Vacuum Oven vs Kiln for Molecular Sieve Drying
Unfortunately the sieves won't release water so easily as the H2O molecules are "stuck" in the zeoli ...
11-7-2019 at 09:56
by: nimgoldman
If chemistry is your pleasure in life, how do you enjoy it every day? Is love for chemistry spiritual or isolating?
I love working in the lab, the procedures and observing transformation of matter.

But chemistry a ...
11-7-2019 at 09:50
by: nimgoldman
Vacuum Oven vs Kiln for Molecular Sieve Drying
I see.

So perhaps I will pre-dry the sieves on tray in a simple electric oven (not microwave) for ...
10-7-2019 at 14:55
by: nimgoldman
Vacuum Oven vs Kiln for Molecular Sieve Drying
I use plenty of 3A and 4A molecular sieves, mostly to dry alcohols.

Unfortunately, the reactivati ...
10-7-2019 at 12:19
by: nimgoldman
Making videos for YouTube. Suggestions?
Chemplayer I love clinking of glass and the sound of pouring liquids, but sometimes the background s ...
22-6-2019 at 14:59
by: nimgoldman
Making videos for YouTube. Suggestions?
Destruction of laboratory chemicals, waste processing and disposal is something I am missing in most ...
16-6-2019 at 22:20
by: nimgoldman
Recovering "abused" DMSO solvent
The freeze-precipitation didn't work for me anyway, at least down to approx. -14 °C, so boiling off ...
16-6-2019 at 22:08
by: nimgoldman
Ruthenium(III) chloride - RuCl3
Hydrated salt is perfectly OK for my purpose.

Yes I am from central Europe, this company is just ...
5-6-2019 at 01:22
by: nimgoldman
Ruthenium(III) chloride - RuCl3
I am looking for this ruthenium salt for a small project on oxidative cleavage. The nature of the co ...
4-6-2019 at 15:10
by: nimgoldman
Recovering "abused" DMSO solvent
I once done a reaction in DMSO quenched with water and then let two large beakers with used DMSO/wat ...
31-5-2019 at 23:32
by: nimgoldman
Processing aluminium waste containing mercury
Thanks I will check out the NurdRage's videos.

The purification of Hg probably won't be necessary ...
29-5-2019 at 10:26
by: nimgoldman
Processing aluminium waste containing mercury
I am now researching processing waste from [url=https://en.wikipedia.org/wiki/Aluminium_amalgam]alum ...
29-5-2019 at 07:10
by: nimgoldman
Reduction of Phenyl-2-nitropropene with Al/Hg failed. Why??
I am sorry I am not a professional. I should have just mentioned a possioble problem with aluminium ...
26-5-2019 at 03:38
by: nimgoldman
Reduction of Phenyl-2-nitropropene with Al/Hg failed. Why??
Okay that makes sense. I will try methanol then. It's really interesting the sludge does not happen ...
26-5-2019 at 03:08
by: nimgoldman
[Next Page]

  Go To Top