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Identification of a mystery metal
A test that may be of value, especially if it is an alloy, is place a small piece of the unknown met ...
18-6-2019 at 16:18
by: AJKOER
Hypothetically drinkable ethanol from methylated spirits
Surface area of the Mg makes a difference, and surface preparation by either pre-washing it with dil ...
18-6-2019 at 07:54
by: AJKOER
H2O2 as O2 source for propane/acetylene torch?
One of the issues with concentrated H2O2 is the cost of storing it safely and possible cost surround ...
18-6-2019 at 07:46
by: AJKOER
Hypothetically drinkable ethanol from methylated spirits
Perhaps a different approach in the case of other organic additives that CH3OH, add Mg to create the ...
18-6-2019 at 07:12
by: AJKOER
The reaction of urea and aluminium
The reaction appears to have started with a standard chemical reaction and was followed (an apparent ...
17-6-2019 at 16:03
by: AJKOER
Any way to prepare anhydrous ZnCl2 without using gaseous Cl2 or HCl?
Perhaps one does even need a starting aqueous ZnCl2 just Zinc metal, CaCl2, NH3 (aq) and H2O2,. Albe ...
17-6-2019 at 14:48
by: AJKOER
Probable zinc sulfate colloid
A wild guess is impure ZnS which can be black (see https://en.wikipedia.org/wiki/Zinc_sulfide ).

...
17-6-2019 at 07:09
by: AJKOER
chlorates from calcium hypochlorite
[rquote=615387&tid=150965&author=bold_ing]The threads are pretty good , but going the chlori ...
17-6-2019 at 06:44
by: AJKOER
Every Home’s Chemistry: Guide to Dissolving Copper Metal
My final 'test' is, for example, in the tentative application below, would be the amount of pure KCl ...
16-6-2019 at 18:03
by: AJKOER
Purifying calcium/ammonium nitrate fertilizer, how to determine product?
[rquote=613619&tid=150464&author=Junk_Enginerd]
............
But H2SO4 is hopeless to find ...
16-6-2019 at 14:24
by: AJKOER
Every Home’s Chemistry: Guide to Dissolving Copper Metal
Final picture of the NaHSO4/H2O2/Cu/NaCl/C mix after applying a second 2 minute microwave treatment. ...
16-6-2019 at 04:10
by: AJKOER
Every Home’s Chemistry: Guide to Dissolving Copper Metal
This picture of the NaHSO4 mix follows a few minutes latter.

[file]75967[/file]

[Edited on 16-6 ...
16-6-2019 at 03:51
by: AJKOER
Every Home’s Chemistry: Guide to Dissolving Copper Metal
The picture on the far right is the starting NaHSO4/H2O2/Cu/NaCl/C mix with the dark color associate ...
16-6-2019 at 03:47
by: AJKOER
Every Home’s Chemistry: Guide to Dissolving Copper Metal
I now depart from using organic acids to inorganic NaHSO4 (10 ml , which is commonly available as a ...
16-6-2019 at 03:44
by: AJKOER
Reactive solvent for zinc galvanized coating
Caution: Assuming the reaction of NH3 and O2 acts similarly with Zn as it does with Cu, the electroc ...
15-6-2019 at 19:18
by: AJKOER
chlorates from calcium hypochlorite
I have prepared and tested (like mixed with powdered sugar and ignited) in more than one thread. Se ...
15-6-2019 at 17:48
by: AJKOER
Every Home’s Chemistry: Guide to Dissolving Copper Metal

Some starting materials:

Copper tubing (the large piece) and the carbon source (best viewed by ...
15-6-2019 at 16:00
by: AJKOER
Every Home’s Chemistry: Guide to Dissolving Copper Metal
This is the final picture of the run without carbon.

A few points, the vessel is place half on a ...
15-6-2019 at 15:40
by: AJKOER
Every Home’s Chemistry: Guide to Dissolving Copper Metal
This is the final image with carbon run. Note, the intense color.

[file]75951[/file]

[Edited on ...
15-6-2019 at 15:37
by: AJKOER
Every Home’s Chemistry: Guide to Dissolving Copper Metal
This is the actually starting solution mix of the carbon run (note the longer piece of copper employ ...
15-6-2019 at 15:28
by: AJKOER
Every Home’s Chemistry: Guide to Dissolving Copper Metal
This a starting picture of the carbon free approach following a 2 minute microwave treatment. Note t ...
15-6-2019 at 15:17
by: AJKOER
Every Home’s Chemistry: Guide to Dissolving Copper Metal
Disclosure: Home Chemistry I am defining as the realm characterized by generally impure and dilute ...
15-6-2019 at 15:11
by: AJKOER
ammon-sulfate-nitrate to nitric acid
[rquote=604303&tid=145545&author=hissingnoise] nitric acid cannot be made by the route you ...
3-3-2019 at 08:08
by: AJKOER
ammon-sulfate-nitrate to nitric acid
One can convert NH4NO3 to Mg(NO3)2 by warming with a suspension of Mg(OH)2 or possibly MgCO3.

Th ...
3-3-2019 at 05:45
by: AJKOER
Amount of SO2 released from Sodium Bisulfite solution
I sort of like the concept of my chemically automated approach using an ammonia source over a mechan ...
2-3-2019 at 07:09
by: AJKOER
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