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Strange behaviour of Na2S in a water solution
[rquote=618454&tid=151911&author=icelake][quote]"5.1.2 [b]Calcium sulfide[/b] is not appreci ...
22-7-2019 at 01:37
by: AJKOER
Strange behaviour of Na2S in a water solution
[rquote=618265&tid=151911&author=Ubya][rquote=618031&tid=151911&author=AJKOER]

Tr ...
21-7-2019 at 14:45
by: AJKOER
Strange behaviour of Na2S in a water solution
[rquote=617738&tid=151911&author=AJKOER]
......
Also, Fe(lll) cations are recycled to Fe(l ...
21-7-2019 at 07:47
by: AJKOER
Calcium Carbonate turns yellow
Again, per my comments in another thread (see https://www.sciencemadness.org/whisper/viewthread.php? ...
21-7-2019 at 03:47
by: AJKOER
Chemistry of insoluble sulfides
[rquote=618047&tid=151973&author=Bedlasky][rquote=617956&tid=151973&author=Bezaleel] ...
20-7-2019 at 17:21
by: AJKOER
Strange behaviour of Na2S in a water solution
[rquote=617861&tid=151911&author=Ubya]

since when UVC reaches earth soil? UVC is totally ...
20-7-2019 at 05:04
by: AJKOER
Chemistry of insoluble sulfides
I thought I would throw some light on removing sulfides with no roasting using a non-traditional app ...
20-7-2019 at 03:50
by: AJKOER
Hydrochloric acid impurities, where do they come from?
[rquote=617880&tid=151853&author=draculic acid69]I've had clear HCl turn yellow when put in ...
19-7-2019 at 05:09
by: AJKOER
How to store chemicals in a wet and hot wether?
Glass is apparently better than plastic, but more subject to breakage and resulting spills (so the c ...
17-7-2019 at 15:36
by: AJKOER
Strange behaviour of Na2S in a water solution
Icelake:

Your reported accounts based on your cited reference are in agreement with mine from Ato ...
17-7-2019 at 15:02
by: AJKOER
Hydrochloric acid impurities, where do they come from?
One possible explanation, not considered to date, is the presence of even small amounts of polyhalog ...
17-7-2019 at 04:53
by: AJKOER
Hydrochloric acid impurities, where do they come from?
Actually, it may have been also the reactivity of the FeCl2/FeCl3/HCl was improved!

FeCl3, as I h ...
16-7-2019 at 13:00
by: AJKOER
Strange behaviour of Na2S in a water solution
Some comments with sources, starting with Atomistry.com on sodium sulphide (link: http://sodium.atom ...
16-7-2019 at 12:09
by: AJKOER
Advice: education pathway
A more pragmatic answer would be based on your expected financial needs especially if you plan on ge ...
14-7-2019 at 11:15
by: AJKOER
production of hydrochloric acid via 'underwater fireworks'
Per a prior comment:

[rquote=512264&tid=81555&author=AJKOER]...............

2 HOCl -- ...
14-7-2019 at 08:25
by: AJKOER
Nickel Chloride From Nickel and Ferric chloride
Per Wikipedia on NiCl2 (https://en.wikipedia.org/wiki/Nickel(II)_chloride) to quote:

"In case one ...
14-7-2019 at 05:04
by: AJKOER
Hydrochloric acid impurities, where do they come from?
[rquote=617510&tid=151853&author=Ubya].....
don't know where iron could cone from, maybe ot ...
13-7-2019 at 08:17
by: AJKOER
Mechanochemistry - is it a way?
Have you investigated combing ultrasound with ball milling (especially in damp mixtures, to possible ...
11-7-2019 at 15:44
by: AJKOER
Hydrochloric acid causing HDPE to bubble
Here is a source https://www.nature.com/news/2007/070321/full/news070319-8.html but not much detail, ...
11-7-2019 at 12:16
by: AJKOER
why am i getting precipitation?!?!
Yes, "copper sulfate always lowered the pH." per the cited reaction I gave right out of the literatu ...
11-7-2019 at 08:50
by: AJKOER
Reaction between aluminum and chlorides in weakly acidic meidum
Metallus

OK, will have a very electropositive metal Al (as aluminum foil here which could be ann ...
11-7-2019 at 04:53
by: AJKOER
Night Vision Project
Here is a related quote on some of the technical issues with sensors from another SM thread (http:/ ...
10-7-2019 at 04:38
by: AJKOER
Night Vision Project
Disclaimer, not any authority in this area.

Concept idea: Place even bulky (perhaps lower price) ...
9-7-2019 at 07:23
by: AJKOER
Just One Meal a Day Longevity Approach
[rquote=617192&tid=151588&author=Morgan]
....
Maybe a single meal a day would tend to be l ...
9-7-2019 at 06:41
by: AJKOER
Preparation of Mn3+ and Co3+
[rquote=617206&tid=151310&author=fusso]

Why is H2SO4/H3BO3 system superacid?

[/rquote] ...
9-7-2019 at 03:33
by: AJKOER
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