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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When an aqueous extract of a substance is said to be administered at a certain quantity, is the quoted mass analogous to one as original substance?
I'm trying to read studies about the possible toxicity of the leaves of some plant often said to possess positive medicinal properties.
In the studies, performed on rats, it is usually said that an ...
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Are there any tests which distinguish between triglycerides and polar lipids/impurities that can be conducted in a high school setting?
I am currently writing a research essay about using a mixed polar (methanol) and non-polar (heptane) solvent system to extract oil from mango seed kernels. One of the difficulties of using polar ...
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Separating plant extract from ethanol solution
I have to do an experiment which involves getting the extract of certain leaves. I had decided to macerate it in ethanol (70%) solution and then to evaporate the solvent using water bath/rotary ...
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Effect of coffee brew water concentration on further extraction in immersion brewing
In immersion brewing coffee is extracted with an increasingly saturated solution, as opposed to percolation brewing, where the extraction is performed with a continous supply of fresh water.
Because ...
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How do I extract anthocyanin from a blueberry?
I am doing a school project to extract anthocyanin from a fruit. I chose blueberry. What is a step by step method to extract the anthocyanin? I have to do it in school so hopefully its not a very ...
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Related to liquid-liquid extraction
I was reading about purification of organic compounds and I came across this.
I quote below, a line from the excerpt that caused my confusion.
The organic solvent is later removed by distillation or ...
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How can over grinding lead to reduced API extraction in HPLC analysis?
I am looking for some advice regarding particle size distribution (PSD) & how this can be affected by grinding a tablet.
During an assay by HPLC, the method requires grinding of a tablet before ...
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Can I extract solid sugar from any fruit juice at home?
The goal here is to isolate the sugar from all other compounds in the juice. In this case, I'm using apple juice and grape juice. The sugar does not need to be edible, as it is being used to make r-...
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Make Acetic Acid from wood
I would like to know if it would be possible to make Acetic Acid from Wood. I know that you can charcoal wood to get the gases, cool it, and get the liquid. This would yield a bunch of chemicals in a ...
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are refractometers generic?
I need to check the presence (and also purity approx) of a substance in solution. I have a very good reference (10mg/1ml - the substance in water).
Can I use a refractometer to do this?
I am trying to ...
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Extracting other mineral from salt in evaporated seawater
I recently stumbled upon this news:
Seawater contains 47 minerals and metals. Starting with the most abundant and proceeding to the least abundant, these are chloride, with a concentration of $\pu{18 ...
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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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How do i get acetic acid from vinegar?
I'm trying to improve my rocket project, but, since the competition only allows the use of vinegar and sodium bicarbonate as its fuel, I had an idea of using the vinegar in a different way. My plan ...
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Purification of Red Phosphorus
The Boring Stuff
I'm well acquainted with various fields of science & engineering, but my foray into the world of chemistry is relatively recent.
I'm in a location (probably most of us are to some ...
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In Na extraction, is Ca2+ of CaCl2 reduced in addition to Na+ of NaCl in electrolysis
In Na extraction from $\ce{NaCl}$, $\ce{CaCl2}$ is added in electrolysis to lower the melting point of the mixture to about $\pu{750 ^\circ C}$. But doesn't $\ce{Ca^2+}$ cation compete with the $\ce{...
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