Sciencemadness Discussion Board
Not logged in [Login ]
Go To Bottom

Search
[Next Page]
Whats the impurity?
[rquote=689192&tid=160018&author=RU_KLO]
I think Rainwater is correct, after seeing picture ...
5-12-2023 at 04:50
by: RU_KLO
Whats the impurity?
[rquote=689125&tid=160018&author=Rainwater]"mineral iron" sounds like magnetite.
if you lea ...
5-12-2023 at 04:21
by: RU_KLO
Whats the impurity?
[rquote=689146&tid=160018&author=j_sum1]Oxalic acid will precipitate iron as iron(II) oxalat ...
5-12-2023 at 01:30
by: RU_KLO
Whats the impurity?
I bought some Iron powder, which was advertized as "Iron mineral powder" by a someone that wan´t su ...
2-12-2023 at 16:08
by: RU_KLO
Problem during the synthesis of acetic acid
Probably the problem was in the impure Acetic Acid. If it was from Vinegar, then some organic materi ...
2-12-2023 at 15:06
by: RU_KLO
Carbonates/ hydroxides from carbonates?
I want to understand why hydroxides are formed when Sodium carbonate is added to a Fe / Cr chlorides ...
29-11-2023 at 09:00
by: RU_KLO
Puriying Sodium Silicate
I want to start experimenting with silicates.
I dont want to use HF, so the path I see is to use So ...
21-11-2023 at 07:13
by: RU_KLO
Persulfate oxidation? Permanganate
Thanks, done that. (used Potassium Persulfate instead of Sodium Persulfate)




17-11-2023 at 08:56
by: RU_KLO
Persulfate oxidation? Permanganate
[rquote=688553&tid=159963&author=DraconicAcid]That colour is not permanganate, but an oxalat ...
16-11-2023 at 05:20
by: RU_KLO
Persulfate oxidation? Permanganate
tryied:
1) tip of spoon (MnSo4 + ammonium persulfate) + H2SO4 (4M) + heating till MnSO4 dissolved. ...
16-11-2023 at 05:11
by: RU_KLO
Devardas alloy making.
Im thinking to make Devardas alloy.

Devarda's alloy (CAS # 8049-11-4) is an alloy of aluminium (4 ...
15-11-2023 at 07:13
by: RU_KLO
Understanding (1+1) Reagent
[rquote=688566&tid=159965&author=B(a)P]Can you provide an example of a book/document that us ...
15-11-2023 at 04:54
by: RU_KLO
Persulfate oxidation? Permanganate
thanks,

but idea was not to get permanganate, but to check (test) persulfate as oxidizer.

My ...
14-11-2023 at 11:47
by: RU_KLO
Understanding (1+1) Reagent
In some books one can read a (1+1) H2SO4 solution.

From the AOAC:
"in expressions (1+2) (5+4), e ...
14-11-2023 at 11:04
by: RU_KLO
Persulfate oxidation? Permanganate
thanks,

the main idea was manganese sulfate + ammonium persulfate. But no change was seen. (any d ...
14-11-2023 at 10:44
by: RU_KLO
Persulfate oxidation? Permanganate
Hi,

As I have a lot of Ammonium Persulfate, so decided to test it as oxiding agent.
So I took a ...
14-11-2023 at 06:32
by: RU_KLO
Recovery of silver, mercury and chromium from acid mixture
[rquote=688539&tid=159961&author=Eithern]
Also, I don't know an easy method to convert HgS ...
14-11-2023 at 05:25
by: RU_KLO
Recovery of silver, mercury and chromium from acid mixture
first I would try to do an analytical scheme, to confirm which metals are in your solution.

First ...
14-11-2023 at 05:05
by: RU_KLO
chemical production of ozone
potassium persulfate + diluted acid (in the paper HClO4) but also H2SO4 is mentioned:

"The effec ...
7-11-2023 at 09:45
by: RU_KLO
On the heating of Arsenic in H2SO4
[rquote=688389&tid=159951&author=6dthjd1]

My review of the literature over the years sugg ...
7-11-2023 at 09:25
by: RU_KLO
Distillation Newbie (my 2nd post ever!)
I will go first with Water destillation. - nice way to learn that destillation takes a lot of time a ...
7-11-2023 at 09:02
by: RU_KLO
Accidental pyrolysis of magnesium chloride
I was meaning the first part. Maybe a small tube furnace in which a boat of MgCl2 is heated and then ...
28-10-2023 at 02:14
by: RU_KLO
Accidental pyrolysis of magnesium chloride
[rquote=688174&tid=159634&author=j_sum1]Is this a possible route to hydrochloric acid for th ...
27-10-2023 at 09:48
by: RU_KLO
Antimony soluble salt
Hi,

I need to make some soluble antimony salts (for using them then as samples to detect antimony ...
26-10-2023 at 11:53
by: RU_KLO
testing for ammonium nitrate & nitrogen content
@Rainwater just an idea, open top electric furnace?

you get high temperature control but cannot s ...
25-10-2023 at 07:40
by: RU_KLO
[Next Page]

  Go To Top