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What does "fusion" mean in a chemistry procedure / book
[rquote=692009&tid=160246&author=j_sum1]Just to add to the ambiguity...
In thermodynamics, ... |
28-3-2024 at 01:05
by: chornedsnorkack |
Concentrating storebought 15% muriatic acid
[rquote=691975&tid=160238&author=UC235]Heating HCl solution above the 20.2% azeotropic mixtu ... |
27-3-2024 at 04:45
by: chornedsnorkack |
Hydroxochromate stability
How stable are hydroxochromate solutions?
Production of chromates is commonly done with strong ox ... |
26-3-2024 at 10:41
by: chornedsnorkack |
Extracting chromates from stainless steel
[rquote=691949&tid=160242&author=RU_KLO][rquote=691942&tid=160242&author=j_sum1][rqu ... |
26-3-2024 at 10:29
by: chornedsnorkack |
Definition of "melting point"
[rquote=691930&tid=160207&author=SplendidAcylation]Off the top of my head, it is the tempera ... |
26-3-2024 at 01:28
by: chornedsnorkack |
What does "fusion" mean in a chemistry procedure / book
"Fusion" means "melting". So NaOH and MnO2 need to be heated to the point where one of them melts. A ... |
25-3-2024 at 16:03
by: chornedsnorkack |
Concentrating storebought 15% muriatic acid
Pass the constant compositions by alternate freezing and heating?
Freezing phase diagram:
https:// ... |
22-3-2024 at 02:54
by: chornedsnorkack |
Dissolving Manganese Dioxide in Sulfuric Acid?
Remember that "concentrated sulphuric acid" actually spans a vast range of Hammett acidity values.
... |
15-3-2024 at 05:23
by: chornedsnorkack |
Calcium Silicate from concrete rubble?
[rquote=691547&tid=160214&author=bnull]
@chornedsnorkack: You mean silicate recovery, as ... |
13-3-2024 at 09:17
by: chornedsnorkack |
Synthesis of fatty acids from expired soap
[rquote=691544&tid=160219&author=palico]Hello people !
today another episode of the waste ... |
13-3-2024 at 04:13
by: chornedsnorkack |
Calcium Silicate from concrete rubble?
How commonly available is calcium silicate from silicate bricks - new bought, demolition rubble or b ... |
13-3-2024 at 00:20
by: chornedsnorkack |
Definition of "melting point"
[rquote=691492&tid=160207&author=bnull]
Now take glass. Is there a temperature that marks ... |
11-3-2024 at 08:21
by: chornedsnorkack |
Definition of "melting point"
[rquote=691451&tid=160207&author=bnull]You're applying the definition of melting point as [u ... |
9-3-2024 at 16:03
by: chornedsnorkack |
Definition of "melting point"
[rquote=691449&tid=160207&author=Texium]What you are describing for silicon dioxide is [url= ... |
9-3-2024 at 09:17
by: chornedsnorkack |
Definition of "melting point"
It seems to me that some substances have melting points by both definitions. And some have more than ... |
9-3-2024 at 07:17
by: chornedsnorkack |
Definition of "melting point"
https://glassproperties.com/viscosity/Glass-Viscosity-Fixpoints.htm
Your link discusses only one ... |
9-3-2024 at 01:15
by: chornedsnorkack |
Definition of "melting point"
What is "melting point"?
The temperature where disordered fluid comes to equilibrium with ordered c ... |
8-3-2024 at 10:41
by: chornedsnorkack |
Metallic soaps
Inspired by thread of "Aluminum soaps", which, admittedly, is in "Organic chemistry"...
Wikipedia:
... |
5-3-2024 at 11:17
by: chornedsnorkack |
NO2 refusing to condense
[rquote=691150&tid=160189&author=clearly_not_atara]I think NO2 tends to be produced at prett ... |
27-2-2024 at 08:27
by: chornedsnorkack |
NO2 refusing to condense
How bright brown is NO2 at low concentrations in mixture?
An obvious alternative, especially given ... |
24-2-2024 at 12:04
by: chornedsnorkack |
What is ppm?
Does this depend on molar mass?
Is ppm, as quoted in danger limits, smell thresholds, et cetera, in ... |
21-2-2024 at 08:12
by: chornedsnorkack |
What is ppm?
Since 1 bar is 100 000 Pa, is 1 Pa partial pressure by definition 10 ppm? |
21-2-2024 at 04:14
by: chornedsnorkack |
How hazardous is fluorine chemistry?
Some instructive text from professionals:
https://ehs.wisc.edu/wp-content/uploads/sites/1408/2020/0 ... |
19-2-2024 at 13:34
by: chornedsnorkack |
Breaking azeotropes
[rquote=691009&tid=160175&author=solo][b]Reference Information[/b]
[i]AZEOTROPIC DATA[/i] ... |
18-2-2024 at 11:37
by: chornedsnorkack |
Breaking azeotropes
[rquote=690995&tid=160175&author=Kevlar]Beyond the general instant information you can resea ... |
17-2-2024 at 23:22
by: chornedsnorkack |
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