Questions tagged [extraction]
For questions regarding the separation process consisting in the separation of a substance from a matrix. This tag can be used for generic extraction of elements from ore or more specific types of extraction such as: liquid-liquid extraction, and solid phase extraction.
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What is the link between hydrogen production and potassium oxide?
Is there an industrial process that produces hydrogen with potassium oxide as a catalyst?
Or is there a process for the production of potassium oxide that has hydrogen as a by-product?
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How is mercury produced in industry? [closed]
Mercury is the only metal that exists in a liquid state at room temperature.
In which form is mercury extracted from its ore?
If it produced as a solid, how and when is it turned into a liquid?
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How does a conc. electrolyte solution extract water from a organic phase like diethyl ether or ethyl acetate?
In organic chemistry, often, during the last steps of a workup we use concentrated brine solution (NaCl) to "extract" the water from the organic layer, especially when we have an organic ...
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TsOH and 5% NaHCO3 Interaction: Unexpected Dark Green Color
Here's the brief:
I synthesized alkyl gallates (ethyl gallate, butyl gallate, and amyl gallate) using Fischer esterification.
I used TsOH instead of concentrated H2SO4 as the catalyst.
After ...
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Replacement for cyclohexane
I am attempting to isolate pure iodine from kelp using the method described here
but I do not have any way of possibly obtaining cyclohexane. I was wondering if any easier to obtain solvents would ...
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Can I make an alcohol-based stain from a pigment with an alkaline extraction process?
I'm in a situation where I don't really even know enough to know if what I want makes sense or has the kinds of problems that I think it might have, but here's the situation:
I would like to make a ...
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How to selectively adsorb caffeine on activated carbon filter?
As part of a project on decaffeination methods, I'm looking to see how activated carbon filters can selectively adsorb caffeine in tea and coffee solutions, and avoid adsorbing other taste-giving ...
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How feasible is it to separate acetone, butanol, and ethanol (and water) via simple distillation?
I have no experience distilling, though I understand the basics about it. When two liquids with different boiling points are mixed, you can sometimes separate them by boiling away one of the liquids, ...
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Liquid-liquid extraction of sorbicillinol in water with ethyl acetate
My solution consisted of sorbicillinol and water, sorbicillinol being a polar substance. I wanted to isolate sorbicillinol from water using liquid-liquid extraction.
For my solvent I used ethyl ...
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Neutralising sulfuric acid but not boric acid
I have another question here which refers to me asking how to separate boric acid from other compounds, and this is partially a follow-up.
Suppose I was to go down the route of making boric acid by ...
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Which xylenes, if any, are immiscible with DMSO?
"Xylene" is reported to be immiscible with dimethyl sulfoxide (DMSO), according to a few solvent miscibility tables found online (chart 1, chart 2, chart 3). I have tried to locate some ...
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How to extract pure potassium carbonate from ash?
In our village, lots of ash is produced which is thrown off. I want to extract pure potassium carbonate from that ash. I am able to extract the potassium compound and a soluble compound by ...
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Why is ZnO reduced in this reaction?
Consider the following Ellingham diagram.
At 673K, the Gibbs energy value of oxidation of Zn is more negative than the Gibbs energy value of oxidation of C (coke). So, Zn should be oxidised to ZnO. ...
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Reduction of gingerol content in ginger using kitchen equipment
The single topic that this question focuses on is - how to remove gingerol and only gingerol from a piece of ginger in a manner that it remains safe to eat using equipment found in a well stocked ...
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Decarboxylation of THCA in cannabis after plant material is mixed with ethanol [closed]
When making a tincture of cannabis, an early step is decarboxylation by roasting cannabis flowers at low temperatures (such as 230F for 30 minutes). My question is, how can one decarboxylate cannabis ...
