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Procurement of Heptane in Germany
This may be an option for you as well: https://www.deoplosmiddelspecialist.nl/kopen/heptaan

Just ...
5-5-2021 at 11:23
by: woelen
Copper complexes with tris
What surprises me is not only the deprotonation of an hydroxy-group, but in this particular structur ...
5-5-2021 at 11:14
by: woelen
Copper complexes with tris
Very interesting experiments. Especially the so-called H-1tris-complex is interesting. If I look at ...
5-5-2021 at 10:56
by: woelen
What is this metal?
Does it dissolve in conc. HNO3?
What if added to a mix of conc. HCl and 30% H2O2?

If it dissolve ...
4-5-2021 at 04:28
by: woelen
Report on making metal sorbates
Interesting result. The low density most likely is due to trapped air. I think that you obtained a t ...
3-5-2021 at 22:40
by: woelen
First Bismuth Trioxide
I have a reagent grade commercial sample of Bi2O3. It does not contain carbonate (produces no bubble ...
2-5-2021 at 23:16
by: woelen
Acyl chlorides stability
[rquote=647415&tid=156390&author=Cou]But I dunno how important it is to only open the bottle ...
29-4-2021 at 04:24
by: woelen
Chromium(III) sulphate available on ebay UK
The name of the compound and the formula are not consistent. The label says chromium sulfate (basic) ...
28-4-2021 at 05:12
by: woelen
Chromium(III) sulphate available on ebay UK
I assume it is this one:

https://www.ebay.co.uk/itm/152381325518?hash=item237aa280ce:g:jE0AAOSw2x ...
27-4-2021 at 23:17
by: woelen
N2O5 from NO2 and Ozone?
NO2 and ozone indeed are said to react with each other, giving N2O5 (some textbooks even claim furth ...
27-4-2021 at 23:04
by: woelen
Easiest way to make red selenium
I know of this precedure. You can speed up the procedure by adding some chloride (e.g. dilute HCl). ...
25-4-2021 at 22:57
by: woelen
Sulfur Iodine Methanol Reaction Failure.
It is simple, sulfur does not react with I2. The sulfur just sits there as an inert filler. You coul ...
20-4-2021 at 23:02
by: woelen
Interesting read about a new type of bond found in a new compound
This is quite interesting. Recently, the anionic species NaBH3(-) was synthesized and a computationa ...
19-4-2021 at 11:26
by: woelen
A few exotic compositions
Bitartrate contains a lot of oxygen and with red hot finely powdered magnesium metal nearly everythi ...
19-4-2021 at 09:53
by: woelen
phosphine generation from baking powder
I think that your product is (very impure) Mg3P2. Magnesium certainly can reduce phosphate to phosph ...
19-4-2021 at 09:44
by: woelen
Can you store 95% sulfuric acid in HDPE for a long time?
For me, acid getting brown or darker IS an issue. It still may be fine for carbonizing paper or clea ...
18-4-2021 at 11:03
by: woelen
A few exotic compositions
Magnesium with nearly anything, which can be reduced further. Some examples:

Mg + red P --> ve ...
18-4-2021 at 09:45
by: woelen
Why samarium has red colour in selenous acid?
I have some 99.95% samarium, intended as sample for my element collection, but half of it is oxidize ...
18-4-2021 at 09:32
by: woelen
Why samarium has red colour in selenous acid?
I remember that I added samarium metal to some dilute acid (e.g. HCl) and that the solution had a st ...
17-4-2021 at 11:23
by: woelen
Can you store 95% sulfuric acid in HDPE for a long time?
Battery acid is no problem, the concentrated acid is (in the long run).
Concentrated HCl (37%) is a ...
16-4-2021 at 01:08
by: woelen
Can you store 95% sulfuric acid in HDPE for a long time?
I also had sulfuric acid in HDPE bottles, but over time, the plastic became darker and darker grey. ...
15-4-2021 at 22:59
by: woelen
Latest chemical order?
Analytical reagent grade basic lead acetate, having approximate composition Pb(OH)[sub]1.15[/sub](CH ...
15-4-2021 at 06:14
by: woelen
Double salts of Organic Acids
I found this very old thread on sciencemadness and thought it would be a nice thing to try this myse ...
14-4-2021 at 03:46
by: woelen
Sodium borohydride and Sodium azide for sale
I also ordered from Chemcraft several times and I can confirm that their products have excellent qua ...
13-4-2021 at 00:12
by: woelen
Some fun with a really obscure compound.
Changed the webpage, added a warning at the start.
12-4-2021 at 12:19
by: woelen
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