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

Search
[Next Page]
Selling Some PCl5 (±250g)
That hardly works. Instead the main reaction is formation of CO and CO2, plus POCl3, HCl and some H3 ...
18-10-2018 at 05:03
by: woelen
Give spammers a lot of spam
support@buyrealfakepassport.cc
18-10-2018 at 04:57
by: woelen
Pictures of members.
[rquote=544273&tid=16192&author=arkoma]

[size=5]RoboRedneck[/size]

*edit*If you look c ...
17-10-2018 at 01:24
by: woelen
Amateur Chemistry now vs several decades ago
I am not sure when hobby chemistry was easier. It is true that basic chemicals were easier to buy in ...
15-10-2018 at 02:27
by: woelen
How to make anhydrous NaClO3 from hydrated NaClO3 ?
[rquote=542242&tid=96695&author=AJKOER]I would not recommend heating a large quantity of pos ...
9-10-2018 at 23:17
by: woelen
Tungsten compound
Pure tungsten dissolves in 10% H2O2 fairly easily, no acid added. In one day you can dissolve a mm o ...
8-10-2018 at 04:03
by: woelen
temperature dependent color change of a solution?
A pinch of cobaltous chloride or cobaltous sulfate, dissolved in 10 ml of appr. 3 M HCl makes a good ...
8-10-2018 at 03:55
by: woelen
A Dual Experiment with Al/Fe/H2O2/Citric Acid/Sea Salt: Implied Dangers & Benefits of Al3+
The muddy appearance may also be due to the presence of carbon in the Al-foil. I also noticed this e ...
7-10-2018 at 13:56
by: woelen
Mercury Sulfide Being Sold as Medicine for Children
I also purchased some cinnaber from a similar chinese source. I received a red powder, which is amaz ...
3-10-2018 at 22:44
by: woelen
Why is my dinitrogen tetroxide green?
No, CaCl2 is a very bad drying agent in this case. I know from experience. It reacts with NO2, the r ...
25-9-2018 at 12:07
by: woelen
NH4 / K Perchlorate
Ebay sometimes has NH4ClO4 in the UK, I also purchased some of that some time ago.

It is very eas ...
19-9-2018 at 01:33
by: woelen
NaDCC/TCCA reaction with ammonia
In my experiments I added solid Na-DCCA or solid TCCA to ammonia (12%). This reaction is VERY violen ...
17-9-2018 at 03:11
by: woelen
Suppliers/retailers not listing prices for labware/chemicals?!
Most of these suppliers do not want to sell items to individuals. They don't want the hassle of smal ...
10-9-2018 at 05:56
by: woelen
Sodium Permanganate
I do not think it makes a big difference in the melt's behavior. With sodium ions you get oxidation ...
10-9-2018 at 03:24
by: woelen
Sodium Permanganate
Well, this should work (somewhat) if molten reagents are used, but workup of the permanganate will b ...
10-9-2018 at 00:00
by: woelen
Stupid laws in the European Union.
I never had such an experience with polish suppliers. An especially good one is onyxmet.com and anot ...
4-9-2018 at 07:12
by: woelen
Stupid laws in the European Union.
Nearly everything I must buy online. Locally, I only can get NaOH (but the shops where I can find th ...
4-9-2018 at 03:13
by: woelen
Stupid laws in the European Union.
Ammonium perchlorate and perchloric acid still are available in the EU with some effort. Much more e ...
3-9-2018 at 10:18
by: woelen
Cheap Potassium Iodide
Oh yes, shipping takes a loooooooong time. Just order it now and slooooowly think of any nice experi ...
3-9-2018 at 00:42
by: woelen
Safe to buy from China?
I have ordered from chinese eBay sellers quite some materials. Electronics, element samples and a fe ...
2-9-2018 at 11:09
by: woelen
Cheap Potassium Iodide
Some time ago, I ordered 300 grams of this seller and I am happy with the stuff. For just over EUR 1 ...
31-8-2018 at 10:30
by: woelen
Order a chemical, get something else
I have had this kind of mistakes a few times, with eBay sellers, never with real suppliers.

- Ord ...
27-8-2018 at 11:20
by: woelen
Last chemical order?
It is a very nice reductor. You can precipitate some metals from their salt solutions.
It's also a ...
19-8-2018 at 11:25
by: woelen
Anyone have experience forming grignards from chlorobenzene
Don't post the same question in multiple forums. One time is enough and you will not get more answer ...
12-8-2018 at 23:17
by: woelen
Finding amount of cobalt in Li ion batteries
Yes, your computation looks fine. Of course, under the assumption that all "charge" is in the form o ...
12-8-2018 at 11:44
by: woelen
[Next Page]

  Go To Top