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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 |
ORIGINAL ACCOUNT BANNED FOR NO REASON???
I removed the ban from the fusso account and once you are in again, I will remove this thread and th ... |
11-8-2018 at 14:51
by: woelen |
Mercury Switches
 Most mercury per dollar:
https://www.ebay.nl/itm/10pcs-Mercury-Tilt-Switch-0-8A-20V-PZ-103-for ... |
9-8-2018 at 03:51
by: woelen |
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