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The Short Questions Thread (4)
2-(tert-butylamino)-1-phenylethyl acetate |
11-11-2023 at 08:00
by: Bedlasky |
Dissolution of d-block metals in HCl vs HF
Try to use 30% HCl for dissolving vanadium and titanium. Titanium dissolve quite well in hot 30% HCl ... |
11-11-2023 at 04:21
by: Bedlasky |
Recovery of silver, mercury and chromium from acid mixture
[rquote=688499&tid=159961&author=clearly_not_atara]Cr6+ precipitates with barium [/rquote]
... |
11-11-2023 at 04:14
by: Bedlasky |
Recovery of silver, mercury and chromium from acid mixture
I would go like this:
1. Precipitate Ag as AgCl
2. Precipitate Hg as HgS
3. Reduce Cr(VI) t ... |
10-11-2023 at 15:35
by: Bedlasky |
On the heating of Arsenic in H2SO4
Oxidation by nitric acid is relatively quick. You must bubble ozone through solution for prolonged t ... |
10-11-2023 at 14:28
by: Bedlasky |
On the heating of Arsenic in H2SO4
[rquote=688468&tid=159951&author=clearly_not_atara]The two [i]safest[/i] ways I can think of ... |
10-11-2023 at 03:12
by: Bedlasky |
Antimony soluble salt
Potassium antimony tartrate is probably your best option. It is soluble in water, not hygroscopic, e ... |
26-10-2023 at 15:58
by: Bedlasky |
potassium perchlorate
In Europe you can buy mixture of NaClO3 with NaCl with NaClO3 content <40%. You can pretty easily ... |
21-10-2023 at 12:25
by: Bedlasky |
NaClO from TCCA
NaOCl solutions always contain NaCl, they are always made frome chlorine and NaOH. |
21-9-2023 at 05:26
by: Bedlasky |
HEY GUYS whats a chemical like this?
Holy shit, I didn't know that DCM can be that dangerous!
Once I accidentaly spilled some DCM on t ... |
21-9-2023 at 05:25
by: Bedlasky |
NaClO from TCCA
Make chlorine generator from TCCA and HCl, than bubble Cl2 in to the cold NaOH solution. |
14-9-2023 at 10:44
by: Bedlasky |
Dissolving Molybdenum in hypochlorite bleach
Reaction with sulfuric acid give you solution of molybdic acid. Solubility of molybdic acid is accor ... |
1-9-2023 at 14:54
by: Bedlasky |
Dissolving Molybdenum in hypochlorite bleach
Oh, I didn't know that it was used as analytical method! Do you have some of these papers? |
1-9-2023 at 10:30
by: Bedlasky |
Dissolving Molybdenum in hypochlorite bleach
It could possibly containt water of crystallization. I didn't found anything about it, but precipita ... |
30-8-2023 at 16:03
by: Bedlasky |
Dissolving Molybdenum in hypochlorite bleach
Interesting result! I once tried reaction between molybdenum powder and 4% NaOCl in the test tube, b ... |
29-8-2023 at 13:46
by: Bedlasky |
Introducing myself - new member
Welcome to the forum Ergo Storm! |
26-8-2023 at 18:13
by: Bedlasky |
Chemical Testing Questions
[rquote=686667&tid=159798&author=Sulaiman]This could be a great adventure and extremely educ ... |
16-8-2023 at 08:06
by: Bedlasky |
Chemical Testing Questions
Determination of sodium:
1. Gravimetric determination as NaZn(UO2)2(CH3COO)9.6H2O
[url]https:/ ... |
14-8-2023 at 13:10
by: Bedlasky |
Help with crystallising monopotassium glutamate
I don't know, NaOH with less water would be probably better. |
5-8-2023 at 10:05
by: Bedlasky |
Help with crystallising monopotassium glutamate
[rquote=686294&tid=159765&author=SplendidAcylation]
Sodium hydroxide granules are also a ... |
4-8-2023 at 10:39
by: Bedlasky |
Preparation of Ammonium iron (III) sulphate (ferric alum)
Jamit: The colour change is due to loss of water, not due to oxidation. Ammonium ferric sulfate is v ... |
29-7-2023 at 12:01
by: Bedlasky |
Selenium chemistry in HCl
If I needed pure HBr, I would heat H3PO4 with KBr. I just needed something quick and simple, so I us ... |
23-7-2023 at 03:59
by: Bedlasky |
Selenium chemistry in HCl
Today I tried reaction between sodium selenate and 48% HBr. This produce orange solution of SeOBr2.H ... |
23-7-2023 at 02:46
by: Bedlasky |
ethanol self-condensation
I repeated experiment today, this time using more soluble KOH and 4 h reaction time. I dissolved sam ... |
23-7-2023 at 00:42
by: Bedlasky |
ethanol self-condensation
I decided to check if EtOH is truly oxidized by O2 in alkaline environment to acetaldehyde. I used S ... |
21-7-2023 at 23:14
by: Bedlasky |
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