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Removing denaturing agents from alcohol
What are those sources? Basic physics say CO2 sublimes at -79 at ambient pressure. To get it to subl ...
29-5-2020 at 02:12
by: Tsjerk
Removing denaturing agents from alcohol
I'm pretty sure the IPA would dissolve in the ethanol giving them a shared freezing point. Also dry ...
29-5-2020 at 01:46
by: Tsjerk
Removing denaturing agents from alcohol
The only way I can think of is fractional distillation, but it would be very inefficient.

Around ...
28-5-2020 at 23:50
by: Tsjerk
Apologies for the downtime
What would happen when Polverone would be incapacitated for some reason? Is there a second person wi ...
28-5-2020 at 23:24
by: Tsjerk
Apologies for the downtime
[rquote=636977&tid=155471&author=fusso][rquote=636973&tid=155471&author=Chemorg42]Oh ...
28-5-2020 at 12:38
by: Tsjerk
Latest chemical order?
The urea solution is called AdBlue in the Netherlands and Germany, it is a 32.5% solution of urea in ...
25-5-2020 at 19:53
by: Tsjerk
Most toxic compound OTC?
Morphine and 6-MAM are not active in the blood, so no. If the definition of bioavailability would be ...
25-5-2020 at 14:01
by: Tsjerk
Most toxic compound OTC?
Wikipedia states oral bio-availability to be >35%, compared to 46% for inhaled (highest bio-avail ...
25-5-2020 at 12:25
by: Tsjerk
Most toxic compound OTC?
Injecting air isn't advisable for anyone, but a few milliliters won't hurt. This myth comes from the ...
25-5-2020 at 08:13
by: Tsjerk
Blunder
Bisulfite and acid will form SO2, which is a toxic gas. Although you would have known when you breat ...
25-5-2020 at 03:20
by: Tsjerk
Most toxic compound OTC?
The Heracleum I'm not growing, I harvested it and dried the plant material to isolate the furanocoum ...
24-5-2020 at 06:59
by: Tsjerk
Most toxic compound OTC?
I read about the Datura being stubborn indeed, therefore they are a pot on my roof terras, no chance ...
24-5-2020 at 01:40
by: Tsjerk
Most toxic compound OTC?
I'm growing Aconitum, Ricinus, Conium and Datura spp. right now. All seeds were OTC, only the Aconit ...
24-5-2020 at 00:18
by: Tsjerk
Ika-combimag ret stirring problems
I have the same, or at least almost the same Ika with the same problem! I do still have warranty on ...
23-5-2020 at 11:30
by: Tsjerk
Device that heats at around 40 degrees C?
I used stackable plastic boxes in the past. I would put an aquarium heater between two boxes and fil ...
17-5-2020 at 06:21
by: Tsjerk
Hotplates
I would use a water bath, it is just safer. It can be as simple as a pot or a pan. If you use hot wa ...
14-5-2020 at 13:46
by: Tsjerk
Strawberry DNA Extraction - Fun at Home
I mentioned in that thread you don't really need a centrifuge.
14-5-2020 at 09:57
by: Tsjerk
Hotplates
Use a water bath, especially with these water miscible solvents. If something breaks at least it is ...
14-5-2020 at 09:28
by: Tsjerk
Strawberry DNA Extraction - Fun at Home
No way you can see basepairs with a any microscope. You can see single stands of DNA with a SEM, but ...
14-5-2020 at 08:35
by: Tsjerk
Strawberry DNA Extraction - Fun at Home
Be aware the goo obtained here is probably less than 1%, maybe less than 0.1% DNA. I once posted a m ...
13-5-2020 at 10:55
by: Tsjerk
Does excess hydrochloric acid evaporate?
It will evaporate, but it will first concentrate to about 20 percent. HCl and water like each other ...
12-5-2020 at 09:08
by: Tsjerk
Hydazine sulfate decomposition
At room temperature bleach turns to NaCl upon drying, NaClO (H2O)5 is known, but isolation is not th ...
10-5-2020 at 02:00
by: Tsjerk
My parents dont let me buy platinum
Okay, jokes aside. I would love to get one or two grams of platinum/rhodium for spot prices. I do ha ...
10-5-2020 at 01:53
by: Tsjerk
My problem with pure fuming hno3
Ah, yes, of course... It is 95%+.

That will, most of the time, be yellow/orange. But again; did y ...
9-5-2020 at 09:31
by: Tsjerk
Anthranilic acid preparation(questions)
I have to admit I heard about the 10 ml trick via via.. I did watch PoorMans Chemist's video who ref ...
9-5-2020 at 09:01
by: Tsjerk
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