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First yield of KClO3 from my cell
It greatly improves cell efficiency! For me, it even seems to be the difference between easy and qui ...
25-6-2021 at 02:01
by: woelen
Sodium borohydride and Sodium azide for sale
At July 1, there will be new harmonized regulations, regarding purchases outside the EU for EVERY pa ...
24-6-2021 at 06:50
by: woelen
Reaction between Potassium Bromate and sulfuric acid?
Yes, this is what actually occurs. If you add solid KBrO3 to HCl (e.g. 20% HCl), then you get a lot ...
24-6-2021 at 06:31
by: woelen
Copper hydride as a reducing agent?
Copper hydride and sodium hydride are completely different compounds. Copper hydride is some polymer ...
23-6-2021 at 13:04
by: woelen
Reaction between Potassium Bromate and sulfuric acid?
It could also be the KBrO3. Commercially, there is a 1 : 5 molar ratio mix of KBrO3 and KBr availabl ...
23-6-2021 at 12:49
by: woelen
Reaction between Potassium Bromate and sulfuric acid?
I did the experiment of adding room temperature 37% H2SO4 to solid KBrO3. When this is done, no reac ...
22-6-2021 at 12:56
by: woelen
sulfur charring?
Recently, I did some experiments with sulfur. I did the well-known experiment of heating it to just ...
22-6-2021 at 03:22
by: woelen
Has anyone grown nice crystals of tetraamminecopper(II) sulfate?
The ratios for ethanol/ammonia are not that critical. The most critical thing is that you let cool d ...
21-6-2021 at 23:05
by: woelen
Sodium thiosulphate + bleach → colloidal sulphur
No, reducing Cr(III) to Cr(0) in aqueous solution requires extreme reductors. Even zinc does not acc ...
21-6-2021 at 11:28
by: woelen
Reaction between Potassium Bromate and sulfuric acid?
I can try adding appr. 35% high grade acid to pure KBrO3, but I do not think that this leads to form ...
21-6-2021 at 11:26
by: woelen
Sodium thiosulphate + bleach → colloidal sulphur
It is a redox reaction. The page on Wikipedia gives a strongly simplified description of the reactio ...
21-6-2021 at 05:19
by: woelen
Has anyone grown nice crystals of tetraamminecopper(II) sulfate?
Making these crystals can be done as follows:
- Add 10 grams of solid copper(II) sulfate 5-hydrate ...
21-6-2021 at 01:52
by: woelen
Reaction between Potassium Bromate and sulfuric acid?
If you add dilute (e.g. 20%) H2SO4 to either solid KBrO3 or to a solution of KBrO3, then you should ...
21-6-2021 at 01:20
by: woelen
Nitric Acid
In practice the above is limited. When you boil nitric acid, then the vapor, leaving the liquid will ...
17-6-2021 at 00:31
by: woelen
Latest chemical order?
I ordered three chemicals

1,3 butanediol
1,4 butanediol (stupid mistake, hopefully will be corre ...
16-6-2021 at 00:25
by: woelen
Report on making metal sorbates
I tried recrystallizing my solid material, but this failed.

I took the pale green material, left ...
14-6-2021 at 05:35
by: woelen
Anhydrous aluminium Chloride and more!
The affected anhydrous AlCl3 is not really damp. Water and anhydrous AlCl3 cannot coexist, they reac ...
10-6-2021 at 23:07
by: woelen
Report on making metal sorbates
I did some experiments last weekend. I prepared nickel sorbate from solutions of nickel nitrate and ...
6-6-2021 at 23:32
by: woelen
Buying calcium cyanamide in the USA?
The fertilizer grade material is VERY impure. I purchased one of those bags. The material in the bag ...
4-6-2021 at 00:14
by: woelen
Making ammonium hypophosphite
[rquote=661255&tid=157561&author=draculic acid69]Add HCL to free the acid filter out the sal ...
4-6-2021 at 00:06
by: woelen
Report on making metal sorbates
Interesting observations. I have some sorbic acid. I have nickel sulfate and nickel nitrate. So, I c ...
2-6-2021 at 03:06
by: woelen
Ampuling P4
There is another issue with white P in a glass ampoule or vial, when it is used for display purposes ...
1-6-2021 at 00:25
by: woelen
Ampuling P4
Why would you want to ampoule the white P? Just put it in a strong glass jar, with a good tightly se ...
31-5-2021 at 11:30
by: woelen
Curious about HS result
A good test for hydrazine sulfate is dissolving some NaOH in water and then dissolving the HS. If yo ...
31-5-2021 at 01:44
by: woelen
Report on making metal sorbates
It must almost certainly be nickel metal, or some weird low oxidation state compound, but I never he ...
31-5-2021 at 01:30
by: woelen
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