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FBI Call: Need to Vent
Buying from a hardware store selling acetone / hydrogen peroxide from one shelf? No problem... Order ...
23-10-2018 at 12:23
by: Tsjerk
Pictures of members.
Hmm, pretty well done, the kids were even wearing safety goggles.
23-10-2018 at 07:46
by: Tsjerk
Salicylic Acid from Northen Willow Bark
According to wiki salicin is soluble in water at 4.3 g/100 mL (no temperature mentioned, but I guess ...
23-10-2018 at 02:52
by: Tsjerk
Pictures of members.
What were you doing? Some kind of experiment?
23-10-2018 at 01:24
by: Tsjerk
Cannabis Distillate for personal medical use
Why bother with extraction at all when you are making doses to take orally anyway? Just for the heck ...
21-10-2018 at 06:43
by: Tsjerk
Diphenhydramine water extraction
So you are going to crush, filter and boil... And then? What fraction are you going to keep? The fum ...
20-10-2018 at 10:49
by: Tsjerk
Production of pharmaceutical grade (USP, EP, BP, JP) compounds
Ultra pure water is not that expensive, it comes from the tap on every biology lab.
20-10-2018 at 09:53
by: Tsjerk
Production of pharmaceutical grade (USP, EP, BP, JP) compounds
Why produce when it is already obtainable from natural sources?
20-10-2018 at 03:52
by: Tsjerk
HF + HNO3
Try dissolving NaCl in your nitric acid, see what happens, I guess this could predict what happens w ...
19-10-2018 at 07:14
by: Tsjerk
Uranium ore samples international shipping
Would this ore set off a gamma detector? Alpha and beta shouldn't leave the box, I don't think urani ...
19-10-2018 at 04:01
by: Tsjerk
Fume Hood Exhaust
If you're venting outside, and don't do really crazy stuff in your hood, just get a cheap fan that i ...
19-10-2018 at 00:40
by: Tsjerk
Denatured Ethanol: Mining the Dregs [without explosion]
I would add some bisulfite, and don't distill to dryness. Just discard the first 15 percent and last ...
19-10-2018 at 00:24
by: Tsjerk
Uranium ore samples international shipping
I don't know your jurisdiction, so little too none can be said.

[Edited on 19-10-2018 by Tsjerk]
19-10-2018 at 00:05
by: Tsjerk
Cannabis Distillate for personal medical use
[rquote=544860&tid=98268&author=lwaali]FD offers me more options and control of what I extra ...
19-10-2018 at 00:01
by: Tsjerk
Cannabis Distillate for personal medical use
[quote]The freezing temperatures from using the butanes/hexanes/methanes destroys some of the compon ...
18-10-2018 at 06:41
by: Tsjerk
Pyridine from Pyridine hydrochloride
At least tell us what you did
17-10-2018 at 11:18
by: Tsjerk
Amateur Chemistry now vs several decades into the Future
Sulfuric acid will at least be available as 37% for old batteries. You can boil it down or distill i ...
15-10-2018 at 22:36
by: Tsjerk
Tired of reporting spam
Ah, then I understand why I didn't get it

Eidt: All spam is disappearing in minutes!

[Edited on ...
14-10-2018 at 18:57
by: Tsjerk
potassium tetraoxalate dihydrate
Which reaction do you want to do with it?
14-10-2018 at 18:56
by: Tsjerk
Tired of reporting spam
No, nothing wrong, I just don't understand what you mean with that screenshot.

Ah ok, it is a pos ...
14-10-2018 at 09:54
by: Tsjerk
Tired of reporting spam
@fusso; what do you mean with that post? It is a guy who registered in 2011 and he didn't post anyth ...
14-10-2018 at 09:00
by: Tsjerk
Can Someone Explain This? -
With a 100ml graduated cylinder you can for example measure 50, 70 or 100 ml. With a 100 ml volume m ...
11-10-2018 at 14:42
by: Tsjerk
What is meant by 'parts'?
When making for example 100 ml 10% KOH you first weigh 10 grams KOH and then add water to 100 ml, th ...
11-10-2018 at 12:44
by: Tsjerk
Mature Galleries a spam deletion test
Could it be the bots monitor how many of their spam is in today's posts and spam accordingly? Should ...
11-10-2018 at 03:37
by: Tsjerk
How to make anhydrous NaClO3 from hydrated NaClO3 ?
Fe(lll) + C* = Fe(ll) + C**

You are gaining two electrons there

[Edited on 10-10-2018 by Tsjer ...
10-10-2018 at 14:21
by: Tsjerk
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