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

Search
[Next Page]
Ordering watched chemicals from Europe
My orders from China have been very late recently, so it appears to be the corona once again.
11-11-2020 at 03:43
by: Fyndium
Benzaldehyde synthesis using aqueous nitric acid
[rquote=473772&tid=72076&author=Praxichys]
0.3 mol benzyl alcohol is charged into a flask w ...
10-11-2020 at 08:03
by: Fyndium
Are there borders for "hazardous material" inside EU?
What might be sodium bulk market price?

S3 sells various stuff with huge discounts when ordering ...
9-11-2020 at 14:20
by: Fyndium
Are there borders for "hazardous material" inside EU?
It's usually because of adr, not any restrictions. Even in the new sulfuric acid ban it is stated th ...
9-11-2020 at 07:16
by: Fyndium
Do you know chemicals by their smell?
Once you smell phenylacetaldehyde, there's no unsmelling it when you walk past some flowers.

It's ...
8-11-2020 at 14:37
by: Fyndium
Heavy metals and the non chemist- What could go wrong here...
They had a discussion about this on a reloaders forum:

http://castboolits.gunloads.com/showthread ...
8-11-2020 at 14:15
by: Fyndium
Vacuum glass implosion?
For drying filters (and all other glassware if in hurry and no oven), I nowadays rinse them with lit ...
8-11-2020 at 12:36
by: Fyndium
MSDS are inaccurate in 30-100% of cases (study)
Another fancy MSDS surprise.

Thinner that clearly states everywhere, including on the main etique ...
8-11-2020 at 12:33
by: Fyndium
Hi. Im new here.
Part of the nitrate could indeed be recovered by adding potassium carbonate (or chloride if no else) ...
8-11-2020 at 12:02
by: Fyndium
digging a hole with explosives
I don't get the joke. Please explain. :D I wouldn't hesitate a second sleeping with HE under my bed, ...
8-11-2020 at 08:10
by: Fyndium
Hi. Im new here.
Ah, don't quite follow the energetics section. But valuable to me is anything that cannot be certain ...
8-11-2020 at 07:59
by: Fyndium
Hi. Im new here.
Could you first neutralize the NaOH with something less valuable so it wouldn't consume more valuabl ...
8-11-2020 at 06:21
by: Fyndium
ammonium nitrate to nitric acid and ammonia? with phosphoric acid catalyst!
To be honest, these reactions are basic petty chemistry and probably invented back in the 1800's whe ...
8-11-2020 at 06:12
by: Fyndium
Preparation of ionic nitrites
I got it dried. Desiccator dry weight is 58g. I suppose the product is not very pure because the yie ...
8-11-2020 at 05:42
by: Fyndium
ammonium nitrate to nitric acid and ammonia? with phosphoric acid catalyst!
Yep, but it is always good to pick all the optimal choices instead of just throwing hands up in the ...
8-11-2020 at 05:34
by: Fyndium
ammonium nitrate to nitric acid and ammonia? with phosphoric acid catalyst!
If it works that way it is nice, because phosphoric acid is cheap and if it can be regenerated simpl ...
8-11-2020 at 04:46
by: Fyndium
ammonium nitrate to nitric acid and ammonia? with phosphoric acid catalyst!
They thermally decomposed few kilotons of AN in Beirut and even in best case scenario it would produ ...
8-11-2020 at 02:06
by: Fyndium
Do you know chemicals by their smell?
This is obviously the most unhealthy way to determine anything that's not suitable for consumption, ...
7-11-2020 at 17:28
by: Fyndium
why you shouldn't touch homemade salts
Emperors and other madmen had a fascination to mercury all over the history and they sipped it think ...
7-11-2020 at 15:39
by: Fyndium
flower vase flask?
Chinese sell 2 liter boiling flasks made out of boro glass two for 20$ + 5$ for shipping.

There's ...
7-11-2020 at 15:30
by: Fyndium
Heavy metals and the non chemist- What could go wrong here...
But that water will usually dilute into huge bodies of water, and where there are lots of ions, incl ...
7-11-2020 at 05:53
by: Fyndium
Why is Chemsavers comfortable with shipping chemicals to residential addresses, but sigma/fisher/TCI/etc are not?
There is this eco boom where everything must be 100% natural. There is a hardware/interior store cha ...
7-11-2020 at 05:50
by: Fyndium
Eye-opening lab seizure
Oh yes, indeed, the intention matters more than the action. Selling or buying bunk gear believing it ...
7-11-2020 at 01:32
by: Fyndium
Heavy metals and the non chemist- What could go wrong here...
[rquote=648496&tid=81346&author=andy1988]food with elevated levels of lead, and they traced ...
7-11-2020 at 01:21
by: Fyndium
Vacuum glass implosion?
Ordinary vacuum pumps easily reach from 32mbar to 0.1mbar vacuum of absolute pressure in my books. I ...
7-11-2020 at 01:18
by: Fyndium
[Next Page]

  Go To Top