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Qualitative determination of lead in tap water
Thanks teodor! I will first try rhodizonate, but will keep the dithizonate in mind.
@AJOEKER: to ... |
19-10-2020 at 12:48
by: Tsjerk |
Qualitative determination of lead in tap water
I will receive some inositol tomorrow, I will update when I get to test some lead.
First lets get ... |
19-10-2020 at 05:20
by: Tsjerk |
Qualitative determination of lead in tap water
[rquote=646752&tid=156341&author=unionised]I think I would be more worried about the cyanide ... |
19-10-2020 at 00:31
by: Tsjerk |
Qualitative determination of lead in tap water
Water quality around here is very good, but especially in old city centers there are places with lea ... |
18-10-2020 at 03:22
by: Tsjerk |
Optimizing plant growth through chemistry
What do you mean with hydroponic exactly? With or without inert substrate? Often growing without sub ... |
8-10-2020 at 02:02
by: Tsjerk |
Can you make p-TSA in situ without too much residual H2SO4?
[rquote=645936&tid=156264&author=stoichiometric_steve]
[quote]
Why do you want to use an ... |
7-10-2020 at 04:54
by: Tsjerk |
Can you make p-TSA in situ without too much residual H2SO4?
Why do you want to use anhydrous p-TSA? In the article they get excellent yields (delta-9) with the ... |
6-10-2020 at 09:20
by: Tsjerk |
Drying Aldehydes properly - How to do it?
I'm pretty sure unionised meant it is just interesting to see how much ether you can get out, just o ... |
6-10-2020 at 05:03
by: Tsjerk |
Can you make p-TSA in situ without too much residual H2SO4?
I indeed meant the reaction going to completion when using a DS.
The sulfuric acid indeed forms a ... |
6-10-2020 at 02:36
by: Tsjerk |
Can you make p-TSA in situ without too much residual H2SO4?
I reacted ethylene glycol with cyclopentanone in toluene after refluxing the toluene with sulfuric a ... |
5-10-2020 at 14:05
by: Tsjerk |
Drying Aldehydes properly - How to do it?
What solvent are we talking about? Adding NaCl to your aqueous solution seems like the most straight ... |
5-10-2020 at 06:35
by: Tsjerk |
Aluminium metal + base as a dehydrating agent?
Throw the Epsom salt in a microwave resistant container of sorts, as long as the opening is not smal ... |
4-10-2020 at 09:48
by: Tsjerk |
Doing the math with Ammonium Hydroxide
[rquote=645777&tid=156125&author=beta4]Tsjerk's solution is correct, but for the lazy there ... |
4-10-2020 at 03:22
by: Tsjerk |
Making Anhydrous Aluminium Chloride
I think the reaction becomes more efficient when you stuff the reaction vessel with aluminum foil, n ... |
3-10-2020 at 08:59
by: Tsjerk |
Ideas for iron powder
When making iron pentacarbonyl a formic acid headache should be one of your lesser worries. |
3-10-2020 at 04:05
by: Tsjerk |
Making Anhydrous Aluminium Chloride
I think it would help if you insulate the reaction vessel tightly with aluminium foil so more AlCl3 ... |
3-10-2020 at 03:51
by: Tsjerk |
How to prevent mold in a home made evaporative cooler?
Use oxone, it is even used to sterilize glass before bottling perishable drinks. |
2-10-2020 at 03:49
by: Tsjerk |
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 |
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