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Unclear recipe for Poudre B (nitrocellulose based gunpowder)
[rquote=647417&tid=156388&author=orchface]
I will try to get my hands on a copy of Urbanski ... |
27-10-2020 at 10:54
by: Herr Haber |
Unclear recipe for Poudre B (nitrocellulose based gunpowder)
If you're aiming for Poudre B specifically and not just "some" nitrocellulose you have to start by c ... |
26-10-2020 at 15:11
by: Herr Haber |
Is the mad science report newsletter ready to be added to prepublication
Just a thought... if there's a feeling that you're going for quantity over quality is probably just ... |
25-10-2020 at 10:28
by: Herr Haber |
Electric stove for metal casting?
Were you ever tempted by induction ?
There are decent modules out there that would cost you about ... |
25-10-2020 at 08:43
by: Herr Haber |
eBay alerts sellers on UK & EU ecommerce VAT reforms
So we're gonna have to pay for shipping. Ok, I guess that's fair.
And we're gonna pay VAT. Mumbles. ... |
25-10-2020 at 08:20
by: Herr Haber |
What is generally legal or illegal in Germany/EU?
[rquote=647216&tid=154800&author=Fyndium] For example, I have ordered sulfuric acid, hydroge ... |
24-10-2020 at 09:02
by: Herr Haber |
Pretty Pictures (2)
Interesting idea.
I can see the difference between the glass and the dye but it's not as visible in ... |
24-10-2020 at 08:42
by: Herr Haber |
Pretty Pictures (2)
Having uranium glass, fluorescein and a black light source I HAD to do it...
The decanter is full ... |
23-10-2020 at 20:38
by: Herr Haber |
A few questions
"Why does it say on the back of the toothpaste that it "Tastes Good Without the Salty Aftertaste"?? ... |
23-10-2020 at 18:33
by: Herr Haber |
Trick or treat !
Yay, just picked up this merury bottle from a friend who had been holding onto it for 43 years.
I ... |
23-10-2020 at 13:22
by: Herr Haber |
What is generally legal or illegal in Germany/EU?
Dont ask for logic...
One seller wont sell borax but still happily sells 30% H2O2 to the general ... |
23-10-2020 at 11:37
by: Herr Haber |
Latest chemical order?
2 kg of Zr metal ? No, not that much 
But I do have it in every form, several of them for display ... |
21-10-2020 at 19:48
by: Herr Haber |
Latest chemical order?
100 grams of Rhodamin B were transfered from a ziploc bag to HDPE vial 10 days ago.
Red spots have ... |
21-10-2020 at 11:33
by: Herr Haber |
Electric stove for metal casting?
Is there a point besides proving it can be done on a kitchen stove ?
Dont misunderstand me, I like ... |
19-10-2020 at 22:20
by: Herr Haber |
How dangerous really is picric acid?
Ah, but they only had to give it one try at Halifax.
In Oppau, apparently using explosives to break ... |
19-10-2020 at 22:02
by: Herr Haber |
How dangerous really is picric acid?
[rquote=646836&tid=156351&author=chemist1243] Obviously, its not smart to assume explosive w ... |
19-10-2020 at 15:02
by: Herr Haber |
lead azide trouble
No but it can probably pick a tiny bit of moisture. I cant imagine this being a problem anyway.
How ... |
18-10-2020 at 22:13
by: Herr Haber |
Potassium permanganate storage
As a kid I found glass drink bottles in an old shed filled with KMnO4. Many of them were not even cl ... |
18-10-2020 at 13:56
by: Herr Haber |
Cheap solvent pump that will not dissolve itself?
[rquote=646768&tid=156346&author=LuckyWinner]
yea I had that in mind but good luck finding ... |
18-10-2020 at 13:49
by: Herr Haber |
Chemical containers?
I buy mine.
Media bottles for liquids - clear or brown, HDPE for most solids, a few security bottle ... |
14-10-2020 at 10:55
by: Herr Haber |
Identification of unknown metal
Tantalum is DENSE.
Got 2x10 grams in different forms and though it doesnt look like much it weights ... |
14-10-2020 at 10:49
by: Herr Haber |
Found mercury by luck then was offered some more !
A lot of people probably made sure it was empty before I arrived. And not by refilling instruments : ... |
14-10-2020 at 10:45
by: Herr Haber |
Found mercury by luck then was offered some more !
While we where still around, a friend yelled he had found an odd bottle.
Pretty certain of what i ... |
13-10-2020 at 21:09
by: Herr Haber |
Found mercury by luck then was offered some more !
This happened a few weeks ago. My other hobby is... everything below ground level !
Mines, bunkers ... |
13-10-2020 at 20:56
by: Herr Haber |
How to process very small volumes?
This nice little suitcase full of 10/19 Pyrex glassware was given to me by a friend with benefits.
... |
13-10-2020 at 20:12
by: Herr Haber |
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