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Dysprosium Nitrate Hazards
Dysprosium nitrate will not have more risks than manganese nitrate or any other nitrate of a non-oxi ... |
3-6-2020 at 23:01
by: woelen |
Latest chemical order?
Keep in mind that the material is A.R. grade. The DEF is for technical purposes and it is dissolved ... |
30-5-2020 at 12:12
by: woelen |
Report on making Copper iodide
I myself once made copper(I) iodide (with bisulfite as an added reductor, or with sulfite plus some ... |
28-5-2020 at 23:00
by: woelen |
Apologies for the downtime
Polverone, thanks again!
Also thanks for providing us with this platform having this great forum! |
28-5-2020 at 11:39
by: woelen |
Latest chemical order?
I have never seen this in NL. Probably it is something which is common in the USA, but not where I l ... |
25-5-2020 at 14:15
by: woelen |
Latest chemical order?
[rquote=635230&tid=9890&author=woelen][rquote=634443&tid=9890&author=woelen]I cam ac ... |
25-5-2020 at 00:53
by: woelen |
Hydrazine
Did you test the white solid? Does it dissolve in cold water easily? If not, then it might be hydraz ... |
25-5-2020 at 00:50
by: woelen |
Blunder
If you are just following recipes and instructions from |Youtube, without proper understanding, then ... |
24-5-2020 at 23:19
by: woelen |
Phosphate free - Trisodium Phosphate (TSP) = Sodium sesquicarbonate (50/50 sodium carb & bicarb...)
Yes, from a chemical point of view they are not very different from mixtures. So, all in all we agre ... |
24-5-2020 at 10:26
by: woelen |
Phosphate free - Trisodium Phosphate (TSP) = Sodium sesquicarbonate (50/50 sodium carb & bicarb...)
There is one important difference between solid solutions and double salts. Double salts have specif ... |
24-5-2020 at 09:33
by: woelen |
Pretty Pictures (2)
A nice picture of two comparable compounds I made: Ag3PO4 and Ag3AsO4.
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23-5-2020 at 09:03
by: woelen |
Hazards of storing white phosphorus?
@Duff: That picture you show is a picture I made. I still have that sample. It is not under mineral ... |
23-5-2020 at 08:59
by: woelen |
Phosphate free - Trisodium Phosphate (TSP) = Sodium sesquicarbonate (50/50 sodium carb & bicarb...)
I think there is a little more to this than just a mix. Sodium sequicarbonate really is an existing ... |
23-5-2020 at 08:55
by: woelen |
Making Erbium Salts
Very nice set of experiments. Good work!
The last one (the sulfide experiment) is actually quite ... |
15-5-2020 at 12:48
by: woelen |
Does excess hydrochloric acid evaporate?
If you have an amine HCl salt or an ammonium salt, then only the really excess HCl will evaporate. I ... |
14-5-2020 at 02:49
by: woelen |
CsICl4 caesium tetrachloroiodate
The material you obtain in this way most likely is not pure CsICl4. I expect a lot of coprecipitated ... |
12-5-2020 at 12:20
by: woelen |
KMnO4 and glycerine, no reaction
This reaction works best with finely divided KMnO4 and glycerine, which has a little water in it. Ve ... |
11-5-2020 at 09:20
by: woelen |
The smell (?) of dimethyl sulfate
Very bad practice at your university.
But, from the bright side, being exposed to maybe a little ... |
11-5-2020 at 01:03
by: woelen |
Nickel carbonate from Canadian nickels
[rquote=635741&tid=155359&author=Syn the Sizer]Awesome, so I should let the coin(s) soak in ... |
11-5-2020 at 00:54
by: woelen |
Nickel carbonate from Canadian nickels
H2O2 + HCl most likely also will dissolve the outer layer. Just try it. Once the outer layer has dis ... |
10-5-2020 at 11:49
by: woelen |
Nickel carbonate from Canadian nickels
Very simple. Put the coins in some nitric acid and allow the outer layer to dissolve.
Discard the s ... |
10-5-2020 at 06:17
by: woelen |
Melgar has died
Sad to read about his passing away.
At such a young age! |
5-5-2020 at 13:14
by: woelen |
nitric acid expired?
Nitric acid does not go bad. Even if not properly sealed, its concentration does not go down noticea ... |
5-5-2020 at 11:19
by: woelen |
Mercury sources in EU?
I put them in a little beaker (50 ml) and simply crush them with the back side of a clean and sturdy ... |
4-5-2020 at 09:41
by: woelen |
Mercury sources in EU?
The switches actually are quite good sources of pure mercury. I purchased 100 pieces of 6 mm switche ... |
4-5-2020 at 00:57
by: woelen |
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