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Zinc voltammetry: some problems
It is possible that the zinc plate is covered on oxide and should be polished? (from your pictures)
... |
7-2-2023 at 11:28
by: RU_KLO |
Purification of Cobalt solution (sulphate/Chloride)
Hi,
alter leaching from Li-Ion Bateries, Ive got a lot of Cobalt hydroxide (green precipitate tha ... |
6-1-2023 at 09:08
by: RU_KLO |
PbO2 purification
I want Pb02 as pure as posible starting from PbO2 from batteries.
|
30-12-2022 at 04:08
by: RU_KLO |
PbO2 purification
Hi,
Im trying to purify PbO2 taken from batteries.
Did not find anything in Internet. And as it i ... |
29-12-2022 at 07:26
by: RU_KLO |
Permanganates
No, did not heat it.
here are some (bad) pics - taken from a video.
the first pic: trying to m ... |
28-12-2022 at 04:49
by: RU_KLO |
Making Chromium salts fron Chromates
[rquote=679717&tid=159171&author=sceptic][rquote=679715&tid=159171&author=blogfast25 ... |
25-12-2022 at 11:14
by: RU_KLO |
Making Chromium salts fron Chromates
[rquote=679702&tid=159171&author=sceptic][rquote=679684&tid=159171&author=RU_KLO]
... |
23-12-2022 at 04:15
by: RU_KLO |
Making Chromium salts fron Chromates
Hi,
I want to make different Chromium salts (Chlorides, Carbonates, Sulphates), starting from Pot ... |
22-12-2022 at 10:16
by: RU_KLO |
Portable DC source for electric arc-Ruby synthesis by the Henry Moissan method
1st: Im no Engineer, but do electronics as hobby from the last 30 years. mostly below 5 Amp circuits ... |
22-12-2022 at 09:55
by: RU_KLO |
TESTED MnSO4 + PbO2
the main Idea was:
2 MnSO4 + 5 PbO2 + 3 H2SO4 → 2 HMnO4 + 5 PbSO4 + 2 H2O
HMnO4 + KOH -> ... |
19-12-2022 at 07:14
by: RU_KLO |
Ammonium Persulfate to Ammonium sulfate
Hi,
I need ammonium sulfate and have an excess of Persulfate.
I know that ammonium sulfate is ... |
6-12-2022 at 08:06
by: RU_KLO |
Lead Nitrate to Lead Chloride
Hi,
I need Lead Chloride (not reagent grade, but with the less contamination as possible)
As t ... |
3-12-2022 at 16:14
by: RU_KLO |
Testing Ion Exchange Membrane
Im starting with electrolysis (as with Chemistry as well)
After checking several videos on YT, I ... |
25-11-2022 at 11:39
by: RU_KLO |
H2 trap
Currently a marmelade jar half full of iron? (probably not pure) nails. Did not weight it.
But i ... |
20-11-2022 at 10:08
by: RU_KLO |
H2 trap
Currently im dissolving some metals with HCl.
Im doing this inside (no fume hood) (-I know is not ... |
20-11-2022 at 03:56
by: RU_KLO |
Cobalt chloride making
From Wiki: Cobalt chloride heptahydrate can be synthesized by reacting two moles of hydrochloric aci ... |
8-11-2022 at 12:33
by: RU_KLO |
Can oxone oxidise MnSO4 to MnO2 ?
@DraconicAcid,
most leacheates from Li ion batteries have/could contain.
Mn, Ni, Co and Li.
I ... |
4-11-2022 at 10:22
by: RU_KLO |
Ammonium hydroxide titration
So, rounding up:
Ammonia in flask, diluted to 0.1M (roughly estimated) + methyl orange
HCl in Bu ... |
2-11-2022 at 05:38
by: RU_KLO |
Ammonium hydroxide titration
@ Bedlasky, roughly density 0,95 which corresponds to 15% (from an internet table. No analytical sca ... |
2-11-2022 at 03:14
by: RU_KLO |
Ammonium hydroxide titration
Thanks,
ordered Methyl Orange for standarization (read somewhere) of HCL. Did not know that also ... |
1-11-2022 at 10:49
by: RU_KLO |
Ammonium hydroxide titration
Made some Ammonium hydroxide, and want to titrate to know its concentration.
after reading, its s ... |
1-11-2022 at 06:05
by: RU_KLO |
Ammonium Persulfate decomposition
woelen thanks,
Tried and learned about ammonia suckback....
|
31-10-2022 at 06:03
by: RU_KLO |
Ammonium Persulfate decomposition
Thanks, I know that buying new reagents is always a solution. but currently the only ammonium salt ... |
30-10-2022 at 05:24
by: RU_KLO |
Ammonium Persulfate decomposition
Hi,
regarding Wiki:
When heated to 120°C, ammonium persulfate decomposes releasing sulfur oxi ... |
29-10-2022 at 17:24
by: RU_KLO |
Glacial Acetic Acid from Sodium Bisulfate + Sodium Acetate - No Yield?
Is it possible to remove last traces of water in a dessicator bag (anhydrous NaOH, anhydrous CaSO4). ... |
25-10-2022 at 10:15
by: RU_KLO |
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