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Simple way to differentiate MEK and THF
from another post:
http://www.sciencemadness.org/talk/viewthread.php?tid=68973&goto=search& ... |
14-5-2024 at 12:04
by: RU_KLO |
Simple way to differentiate MEK and THF
[rquote=693058&tid=160314&author=bnull][rquote=693050&tid=160314&author=RU_KLO]The P ... |
14-5-2024 at 05:26
by: RU_KLO |
Simple way to differentiate MEK and THF
Tried the bisulfite method, first by making it.
in a testube added 3 or 4 gr sodium sulfite, adde ... |
13-5-2024 at 07:41
by: RU_KLO |
Meniscus in volumetric measurement of mercury
Maybe:
Add water till you transform the negative mercury meniscus to positive water meniscus.
the ... |
10-5-2024 at 07:08
by: RU_KLO |
Simple way to differentiate MEK and THF
[rquote=692929&tid=160314&author=bnull][rquote=692919&tid=160314&author=RU_KLO]Is th ... |
7-5-2024 at 05:14
by: RU_KLO |
Simple way to differentiate MEK and THF
Hi, I extracted from PVC glue - used to glue PVC white pipes - a solvent which has Acetone smell.
I ... |
6-5-2024 at 12:15
by: RU_KLO |
Synthesis of KOH
[rquote=692764&tid=160302&author=MrFormula]I am going to try to make activated charcoal and ... |
30-4-2024 at 09:15
by: RU_KLO |
Do i have Potassium Chromate?
well still in the getting chromate/dichromate.
Here are pictures of the precipitates of the 2 pro ... |
19-4-2024 at 04:42
by: RU_KLO |
Metal+phosphate products?
Probably a mixed salt of unknown constitution.
or
maybe: Calcium Aluminum Phosphate, CaAlH(PO4)2 - ... |
11-4-2024 at 11:15
by: RU_KLO |
Low solubility tin salts?
if it is "whitish" insoluble, probably tin oxide (SnO2).
|
9-4-2024 at 07:36
by: RU_KLO |
Do i have Potassium Chromate?
thanks for the information and the pics.
It seems that I was using persulfate in excess.
for exa ... |
5-4-2024 at 06:56
by: RU_KLO |
Do i have Potassium Chromate?
Long post, but will try to explain everything that I made, so you can find where I screw up....
T ... |
2-4-2024 at 13:45
by: RU_KLO |
Extracting chromates from stainless steel
[rquote=691963&tid=160242&author=chornedsnorkack]
Carbonate solutions can go beyond pH 11.
... |
26-3-2024 at 16:25
by: RU_KLO |
Extracting chromates from stainless steel
Found this very good read to understand Hydroxide ph precipitation.
https://nvlpubs.nist.gov/nist ... |
26-3-2024 at 08:42
by: RU_KLO |
Extracting chromates from stainless steel
[rquote=691942&tid=160242&author=j_sum1][rquote=691938&tid=160242&author=Rainwater]3 ... |
26-3-2024 at 01:47
by: RU_KLO |
Do i have Potassium Chromate?
this weekend did a lot of tests.
First the hydroxides precipitation with NaOH went smoothly.
Tak ... |
25-3-2024 at 12:26
by: RU_KLO |
Concentration of BaCl2 by Common ion efect
Im converting PbSO4 into H2SO4 by HCl as an experiment.
As I have the PbSO4 and HCl mixing and he ... |
21-3-2024 at 15:30
by: RU_KLO |
Do i have Potassium Chromate?
[rquote=691822&tid=159882&author=fx-991ex]You need to oxidize the Cr(OH)3 to the chromate be ... |
21-3-2024 at 15:05
by: RU_KLO |
Do i have Potassium Chromate?
[rquote=691814&tid=159882&author=bnull]Chromium (III) hydroxide is soluble in sodium hydroxi ... |
21-3-2024 at 07:13
by: RU_KLO |
Do i have Potassium Chromate?
from Wiki:
Potassium dichromate
"The resulting solution should be dark green due to the chromium(I ... |
21-3-2024 at 04:34
by: RU_KLO |
Aluminuim sulfide synthesis
thanks,
regarding this procedure, how to easily obtain PbS?
Could I melt Pb with Na2CO3 + S? (li ... |
21-3-2024 at 04:01
by: RU_KLO |
Separating Zinc Sulfate from Manganese Sulfate with old Zinc Carbon battery as the starting material
[rquote=691737&tid=160218&author=bnull]
By the way, does anyone know how much MnO[sub]2[/ ... |
20-3-2024 at 04:29
by: RU_KLO |
Aluminuim sulfide synthesis
Thanks,
regretfully 1500ºC sublimation is out of my reach.... |
19-3-2024 at 05:43
by: RU_KLO |
Separating Zinc Sulfate from Manganese Sulfate with old Zinc Carbon battery as the starting material
[rquote=691733&tid=160218&author=nikotyna1939][rquote=691713&tid=160218&author=bnull ... |
18-3-2024 at 15:58
by: RU_KLO |
Aluminuim sulfide synthesis
Thanks |
18-3-2024 at 05:56
by: RU_KLO |
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