| Search |
| [Next Page] |
New to chemistry
I wrote a web page about starting a small home lab: https://woelen.homescience.net/science/chem/misc ... |
16-11-2020 at 00:26
by: woelen |
Chloric Acid
Chloric acid ios a very strong oxidizer and it can react dangerously with many reductors. Unfortunat ... |
16-11-2020 at 00:22
by: woelen |
Everyday Chemistry
Did some crystallization of a mixed ethylenediamine/ammine complex of nickel(II). Something like Ni( ... |
15-11-2020 at 11:00
by: woelen |
Does methanol smell like anything to you?
Methanol only has a faint smell to me, while ethanol has a distinct clear smell to me, but still not ... |
13-11-2020 at 07:02
by: woelen |
Covid vaccine results
Let's hope that the so-called 'cluster 5' mutated strain does not get out of Denmark. There is stron ... |
11-11-2020 at 00:44
by: woelen |
Make Sodium Hypochlorite from Calcium Hypochlorite?
Pool calcium hypochlorite is not 60-70% calcium hypochlorite dihydrate, but it is 60-70% so-called a ... |
11-11-2020 at 00:21
by: woelen |
Ordering watched chemicals from Europe
I can add my words to what j_sum1 and karlos³ say about Onyxmet and Chemcraft. Both companies have ... |
11-11-2020 at 00:03
by: woelen |
Do you know chemicals by their smell?
If the two occurrences of the smell are with completely different SB-compounds, then there is a good ... |
10-11-2020 at 01:57
by: woelen |
Are there borders for "hazardous material" inside EU?
Onyxmet has sodium, appr. EUR 25 for 100 grams, packaged in a metal can. They ship sodium to NL. It ... |
9-11-2020 at 11:57
by: woelen |
Do you know chemicals by their smell?
I also smell most chemicals (carefully, low concentration, minute quantities), which I make or buy. ... |
8-11-2020 at 23:59
by: woelen |
Completely volatile metal compound, even from aqueous solution!
[rquote=648668&tid=156489&author=draculic acid69]Isn't bleach and osmium/ruthenium a way to ... |
8-11-2020 at 23:50
by: woelen |
Do you know chemicals by their smell?
Quite a few chemicals I certainly recognize by smell:
- ammonia
- chlorine
- bromine
- nitrogen ... |
8-11-2020 at 10:20
by: woelen |
Why is Chemsavers comfortable with shipping chemicals to residential addresses, but sigma/fisher/TCI/etc are not?
[rquote=648396&tid=156488&author=teodor][..]Edit: I have the impression that less chemicals ... |
6-11-2020 at 08:13
by: woelen |
Why is Chemsavers comfortable with shipping chemicals to residential addresses, but sigma/fisher/TCI/etc are not?
There are some resellers, who can obtain chemicals from Sigma, Carl Roth, Merck, and so on, who do s ... |
6-11-2020 at 03:11
by: woelen |
Completely volatile metal compound, even from aqueous solution!
Last weekend, I transferred a little ruthenium oxide (black RuO2) from my stock bottle to a small vi ... |
6-11-2020 at 00:37
by: woelen |
What are some interesting uses for lithium metal
[rquote=648059&tid=156445&author=Bedlasky][...]How did I missed this experiment? [...][/rquo ... |
6-11-2020 at 00:13
by: woelen |
Report on making Prussian Blue
I think that the extra weight is due to the presence of K(+) ions in the mix. So you get something l ... |
5-11-2020 at 06:57
by: woelen |
Nitric acid
In many cases this is highly impractical. Imagine yourself making copper nitrate by distilling HNO3 ... |
5-11-2020 at 01:55
by: woelen |
Copper flame colour
Another reason for orange flame color may be formation of very small solid particles at the rim (coo ... |
4-11-2020 at 00:27
by: woelen |
What are some interesting uses for lithium metal
A very interesting experiment is adding lithium to pure ethylenediamine. This allows you to see solv ... |
2-11-2020 at 06:53
by: woelen |
Electroless plating Re on Mg
I had a similar experience with zinc metal, added to an acidic solution of ammonium perrhenate. I ad ... |
1-11-2020 at 23:56
by: woelen |
Crystalloluminesence of NaCl
A similar, but stronger effect is said to exist in crystallization of a mix of Na2SO4 and K2SO4. I, ... |
30-10-2020 at 00:50
by: woelen |
Sodium silicates and Wikipedias sodium/silicate ratios
@Fulmen: Being in a bad mood should be NO reason to be rude to other members. Next time when you are ... |
28-10-2020 at 23:38
by: woelen |
Potassium, ammonium or sodium dichromate - HDPE containers advisable?
The potassium and ammonium salt can be stored in nearly any container, even in plastic bags. They ar ... |
28-10-2020 at 23:31
by: woelen |
Report on making Ammonium pentachloroferrate
No, not all of it, but more than you would want.
In general, if you heat hydrated transition meta ... |
28-10-2020 at 08:20
by: woelen |
| [Next Page] |
