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

Search
[Next Page]
How to process very small volumes?
A filter squeezed in an Eppendorf sounds a bit more reasonable than $400
29-9-2020 at 08:33
by: Tsjerk
Batteries are Friggin Complicated Yo (also voltage determination)
The volume of the electrolyte shouldn't make a difference in voltage, this will only correlate to th ...
29-9-2020 at 08:28
by: Tsjerk
How to process very small volumes?
Can't you filter in something that fits in the centrifuge?
29-9-2020 at 08:14
by: Tsjerk
Copper powder from CuSO4 + ascorbic acid - what ratio is needed of Asc Acid & what's left over - H2SO4?
Dehydroascorbic acid is formed, it donates two electrons.
28-9-2020 at 06:33
by: Tsjerk
This is mandatory stuff for (amateur) chemists (Safety)
[rquote=645393&tid=156221&author=NaK] That being said, things like the ferrofluid where quit ...
28-9-2020 at 06:18
by: Tsjerk
This is mandatory stuff for (amateur) chemists (Safety)
Haha, I saw the 30 minute epic epsom salt drying... starting with 4 kg and breaking a two liter thre ...
27-9-2020 at 06:39
by: Tsjerk
Thermobaric Composition
Do you have a source for German black aluminium containing carbon? I can only find people on pyro fo ...
27-9-2020 at 06:11
by: Tsjerk
This is mandatory stuff for (amateur) chemists (Safety)
He does pretend to be safety oriented... And yes, he indeed isn't a very good chemist.

Pffff, I r ...
27-9-2020 at 05:37
by: Tsjerk
This is mandatory stuff for (amateur) chemists (Safety)
Very nice, and I understand that on YouTube this is something nice, with his 400K subscribers.

B ...
27-9-2020 at 02:48
by: Tsjerk
Is it too much to ask to wear a mask?
In Sweden they never got anywhere near group-immunity... Look at the USA, there they are getting som ...
25-9-2020 at 08:58
by: Tsjerk
Ika-combimag ret stirring problems
Everything is functioning, it is just that the two calibration rubbers from the ring are gone.
20-9-2020 at 03:45
by: Tsjerk
Ika-combimag ret stirring problems
To clarify: There is a ring attached to the motor with slits, above and beneath there are an IR LED ...
19-9-2020 at 15:07
by: Tsjerk
Ika-combimag ret stirring problems
How does this IR sensor thing work? The rotation speed control on my IKA stopped working, I only had ...
19-9-2020 at 14:42
by: Tsjerk
Is it too much to ask to wear a mask?
[rquote=644818&tid=156164&author=stoichiometric_steve][rquote=644794&tid=156164&auth ...
19-9-2020 at 08:13
by: Tsjerk
Is it too much to ask to wear a mask?
Our government always said there would be no obligation to wear masks because even if it would help, ...
19-9-2020 at 02:14
by: Tsjerk
Is it too much to ask to wear a mask?
In the Netherlands nobody wears a mask, only in public transport it is mandatory, and then only in t ...
18-9-2020 at 09:22
by: Tsjerk
New chemicals for sale !
[rquote=644282&tid=63883&author=earpain]
Mario: Bear with me buddy! You need this
[Edited ...
18-9-2020 at 07:12
by: Tsjerk
Collection of bromine preps
Yes, it doesn't dissolve too well in water.
17-9-2020 at 12:36
by: Tsjerk
Separate EtOH and IPA
I wouldn't start trying to separate these two, it is just really hard. What do you need the IPA for? ...
17-9-2020 at 05:23
by: Tsjerk
Vacuum aspirator using DMSO
I always use water with my aspirator and I get the vacuum down very close to the vapor pressure of t ...
16-9-2020 at 03:20
by: Tsjerk
Is it too much to ask to wear a mask?
[rquote=644657&tid=156164&author=unionised]I don't think highly of the authorities and am pl ...
16-9-2020 at 00:07
by: Tsjerk
Vanillin bisulfite adduct
See [url=https://patents.google.com/patent/US3600442A/en]example 1[/url].

Yes, dissolving the van ...
11-9-2020 at 06:18
by: Tsjerk
Preparing CaO from carbonate or hydroxide?
[rquote=644448&tid=156138&author=macckone]SC Wack,
580C is not close to the melting point o ...
11-9-2020 at 01:24
by: Tsjerk
Collection of bromine preps
Bromate, bromide and sulfuric acid is a nice one. Woelen has a nice page on it. You can even partly ...
10-9-2020 at 08:22
by: Tsjerk
Anyone else having horrible shipping delays, or is my package lost?
Deschem --> Netherlands in 10 days!

It might not be the best quality, but for Deschem prices I ...
9-9-2020 at 00:45
by: Tsjerk
[Next Page]

  Go To Top