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Calcium Silicate from concrete rubble?
At least it is not like those pearls in Detritus, as "alcohol reduction by living fish gills", or "h ...
17-3-2024 at 11:59
by: bnull
Separating chloroacetic acid and an sulfuric acid
The same patent (US1304108) suggests:
[list=A][*]vacuum distillation (p.1, lines 58-62);
[*]use of ...
16-3-2024 at 16:56
by: bnull
Separating Zinc Sulfate from Manganese Sulfate with old Zinc Carbon battery as the starting material
You can use sodium hydroxide. Ok, it's not exactly the separation of zinc and manganese sulfates, bu ...
16-3-2024 at 15:54
by: bnull
chloromethylene dibenzoate: stable formyl chloride equivalent
[rquote=691622&tid=160225&author=clearly_not_atara]The other reference for the anhydride met ...
15-3-2024 at 10:15
by: bnull
Dissolving Manganese Dioxide in Sulfuric Acid?
[rquote=691643&tid=160221&author=fx-991ex]Am sorry to drift this off topic a little, but why ...
15-3-2024 at 09:34
by: bnull
Synthesis of fatty acids from expired soap
Thank you. I was into homemade soaps and fatty acids some 20 years ago.
14-3-2024 at 14:23
by: bnull
Calcium Silicate from concrete rubble?
[rquote=691596&tid=160214&author=nikotyna1939]At what temprerature will Calcium Hydroxide an ...
14-3-2024 at 08:52
by: bnull
Hydrazinol (N-amino hydroxylamine)
[rquote=691535&tid=160217&author=Yorty2040]Catalytic hydrogenation of nitrous oxide is one p ...
14-3-2024 at 08:51
by: bnull
My Tungsten Boat Snapped!
[rquote=691576&tid=160194&author=sarinox](I have photos of the mirror and the oxide shell, a ...
14-3-2024 at 05:41
by: bnull
Calcium Silicate from concrete rubble?
Why didn't you say it before? I thought you needed it for some reaction or for rice farming. The ref ...
14-3-2024 at 05:36
by: bnull
Calcium Silicate from concrete rubble?
[rquote=691563&tid=160214&author=chornedsnorkack]
I was referring to "silicate bricks". App ...
13-3-2024 at 15:57
by: bnull
Synthesis of fatty acids from expired soap
Or sodium carbonate. It happens with homemade soaps. There's almost always an excess sodium hydroxid ...
13-3-2024 at 14:32
by: bnull
burnt through steel crucible?
The corrosion rate is too low (some millimeters per year) and doesn't explain the bright flame. And ...
13-3-2024 at 09:31
by: bnull
Calcium Silicate from concrete rubble?
@nikotyna1939: Forgive me the question but, why do you need 10 kg of it? Depending on the use, you c ...
13-3-2024 at 04:40
by: bnull
Calcium Silicate from concrete rubble?
No. Concrete is made of cement, which is mainly calcium silicates and aluminates (and carbonate, of ...
12-3-2024 at 11:44
by: bnull
burnt through steel crucible?
Unless the copper wire was very, very oxidised, and there was aluminum enough, I would rule out ther ...
12-3-2024 at 07:09
by: bnull
Definition of "melting point"
Melting point is the temperature where there is a sharp distinction between the physical states of t ...
11-3-2024 at 05:41
by: bnull
Oleophobic coatings composition
Not exactly synthesise but you can mix your own. The patents are very vague on the percentages and i ...
11-3-2024 at 04:12
by: bnull
Definition of "melting point"
You're applying the definition of melting point as [u]given for glass[/u] to silicon dioxide (silica ...
9-3-2024 at 09:50
by: bnull
Definition of "melting point"
The definition of melting point seems to depend on the substance you're talking about.

Glasses an ...
9-3-2024 at 05:15
by: bnull
Failed attempts at oxidation of alcohols with DMSO/P2O5
[rquote=691434&tid=160209&author=Lionel Spanner]an official Carl Roth distributor (who also ...
9-3-2024 at 04:39
by: bnull
Failed attempts at oxidation of alcohols with DMSO/P2O5
Maybe the P[sub]2[/sub]O[sub]5[/sub] is the problem. Do you have other dehydrating agents? Acetic an ...
8-3-2024 at 15:30
by: bnull
The Short Questions Thread (4)
[rquote=691381&tid=25055&author=yobbo II]
There a a few more dudes going with the same idea ...
6-3-2024 at 11:32
by: bnull
The Short Questions Thread (4)
[rquote=691373&tid=25055&author=yobbo II]
Can anyone tell me how this water pump, made from ...
6-3-2024 at 08:58
by: bnull
Metallic soaps
Bismuth, yes. Niobium, I'm not sure; probably yes too. Transition metals soaps can be used as cataly ...
5-3-2024 at 13:08
by: bnull
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