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Recovery of silver, mercury and chromium from acid mixture [rquote=688539&tid=159961&author=Eithern]Hi guys, thanks for your replies!
[rquote=688493 ... |
13-11-2023 at 13:59 by: Bedlasky |
The Short Questions Thread (4) I don't think that this will work. Hydroxylamine is strong reducing agent and refluxing it with HNO3 ... |
12-11-2023 at 09:46 by: Bedlasky |
Dissolution of d-block metals in HCl vs HF [rquote=688520&tid=159575&author=bolbol]Worth noting that the V pellets I used had a very th ... |
11-11-2023 at 23:01 by: Bedlasky |
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 |
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