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Separation of a desired substance from other substances in the sample
Extraction in chemistry is a separation process consisting of the separation of a substance from a matrix. The distribution of a solute between two phases
Extraction_(chemistry)
Method to separate compounds or metal complexes
Liquid–liquid extraction is a method to separate compounds based on their relative solubilities in two different immiscible liquids, often water and an
Liquid–liquid_extraction
Separation of chemical species from other acidic or basic compounds
Acid–base extraction is a subclass of liquid–liquid extractions and involves the separation of chemical species from other acidic or basic compounds.
Acid–base_extraction
Chemical process
Supercritical fluid extraction (SFE) is the process of separating one component (the extractant) from another (the matrix) using supercritical fluids as
Supercritical fluid extraction
Supercritical_fluid_extraction
Acid guanidinium thiocyanate-phenol-chloroform extraction (abbreviated AGPC) is a liquid–liquid extraction technique in biochemistry and molecular biology
Acid guanidinium thiocyanate-phenol-chloroform extraction
Acid_guanidinium_thiocyanate-phenol-chloroform_extraction
Topics referred to by the same term
source document, in linguistics Extraction (chemistry), the separation of a substance from a matrix Fragrance extraction, the process of obtaining fragrant
Extraction
Process to separate compounds by properties
Solid-phase extraction (SPE) is a solid-liquid extractive technique, by which compounds that are dissolved or suspended in a liquid mixture are separated
Solid-phase_extraction
Chemical analysis method
Accelerated solvent extraction (ASE), also known as pressurized solvent extraction (PSE), is a method for extracting various chemicals from a complex solid
Accelerated solvent extraction
Accelerated_solvent_extraction
Branch of chemistry dealing with radioactivity, transmutation and other nuclear processes
radioisotopes from the raffinates left after the extraction of uranium and plutonium from used nuclear fuel. The chemistry is based upon the interaction of caesium
Nuclear_chemistry
Extraction by boiling herbal or plant material to dissolve the chemicals of the material
Decoction is a method of extraction by boiling herbal or plant material (which may include stems, roots, bark and rhizomes) to dissolve the chemicals of
Decoction
Lab technique
Thin layer extraction is a time-periodic reactive liquid extraction process that provides excellent mass transfer while maintaining phase separation. It
Thin_layer_extraction
A reactive liquid extraction process is a liquid-liquid extraction process that is intensified through a mechanism involving a reversible reaction between
Reactive_liquid_extraction
Analytical chemistry technique
Electro membrane extraction, or EME, is a miniaturized liquid-liquid extraction technique developed for sample preparation of aqueous samples prior to
Electromembrane_extraction
Scientific study of matter's behavior and properties
Chemistry is the scientific study of the properties and behavior of matter. It is a physical science within the natural sciences that studies matter:
Chemistry
Category of substance
be useful when true essences are unobtainable or too expensive. Extraction (chemistry) Vanilla extract Cavalcanti RN, Koshima CC, Forster-Carneiro T,
Extract
Chemical construction of organic compounds
5A: Overview of Methods". Chemistry LibreTexts. 2017-10-15. Retrieved 2023-12-05. "4.2: Overview of Extraction". Chemistry LibreTexts. 2017-10-21. Retrieved
Organic_synthesis
Laboratory apparatus
Soxhlet. It was originally designed for the extraction of a lipid from a solid material. Typically, Soxhlet extraction is used when the desired compound has
Soxhlet_extractor
Process of extracting gold from ore
Gold extraction is the extraction of gold from dilute ores using a combination of chemical processes. Gold mining produces about 3,600 tons annually, and
Gold_extraction
Chemical element with atomic number 3 (Li)
2010. Schwochau, Klaus (1984). "Extraction of metals from sea water". Inorganic Chemistry. Topics in Current Chemistry. Vol. 124. Springer Berlin Heidelberg
Lithium
Chemical Property
Pearson Education, p. 190 "Metal extraction and the reactivity series - The reactivity series of metals - GCSE Chemistry (Single Science) Revision - WJEC"
Reactivity_series
Extracting a substance from a mixture
Cold water extraction (also called CWE) is the process whereby a substance is extracted from a mixture via cold water. It is a type of fractional crystallization
Cold_water_extraction
Branch of nuclear chemistry
Actinide chemistry (or actinoid chemistry) is one of the main branches of nuclear chemistry that investigates the processes and molecular systems of the
Actinide_chemistry
Australian actor (born 1983)
although the chemistry between Hemsworth and co-star Tessa Thompson was praised. In 2020, Hemsworth starred in the Netflix action thriller Extraction, reuniting
Chris_Hemsworth
Components of a chemical sample other than the substance of interest
Ideally, a value of 0 is related to the absence of matrix effect. Extraction (chemistry) IUPAC, Compendium of Chemical Terminology, 5th ed. (the "Gold Book")
Matrix_(chemical_analysis)
Spent fuel reprocessing process for plutonium and uranium recovery
Nuclear Chemistry, Third Edition. p. 610. ISBN 978-0-7506-7463-8. Paiva, A. P.; Malik, P. (2004). "Recent advances on the chemistry of solvent extraction applied
PUREX
Type of chemical substance
In chemistry, there are three definitions in common use of the word "base": Arrhenius bases, Brønsted bases, and Lewis bases. All definitions agree that
Base_(chemistry)
Process of removing dirt and stains from carpets
from carpets. Common methods include hot water extraction, dry-cleaning, and vacuuming. Hot water extraction, sometimes mistakenly called "steam cleaning"
Carpet_cleaning
Subdiscipline of chemistry, focusing on carbon compounds
Organic chemistry is a subdiscipline within chemistry involving the scientific study of the structure, properties, and reactions of organic compounds
Organic_chemistry
separated from organic solvents by extraction with fluorinated solvents such as perfluorohexane. The utility of fluorous chemistry hinges on the partitioning
Fluorous_chemistry
Class of chemical compounds
"Polyphenol Extraction From Foods" (PDF). In Santos-Buelga C, Williamson G (eds.). Methods in Polyphenol Analysis. Royal Society of Chemistry. pp. 1–16
Polyphenol
Extraction or expulsion of a liquid from a gel
Syneresis (also spelled 'synæresis' or 'synaeresis'), in chemistry, is the extraction or expulsion of a liquid from a gel, such as when serum drains from
Syneresis_(chemistry)
Process of extracting copper from the ground
Copper extraction is the multi-stage process of obtaining copper from its ores. The conversion of copper ores consists of a series of physical, chemical
Copper_extraction
Science of applying microwave radiation to chemical reactions
temperature of 50 °C, providing the extraction as well of the reactants from one phase to the other. Microwave chemistry is particularly effective in dry
Microwave_chemistry
Pure molecular form of an amine, as opposed to its protonated salt form
In chemistry, a free base (freebase, free-base) is a term for the neutral form of an amine or other Lewis base. The term is used in the pharmaceutical
Free_base
Normal phase chromatography that uses a supercritical fluid as the mobile phase
Supercrtical Fluid Extraction". Chemistry LibreTexts. July 13, 2016. Taylor, Larry T. (2010). "Supercritical Fluid Chromatography". Analytical Chemistry. 82 (12):
Supercritical fluid chromatography
Supercritical_fluid_chromatography
Ore extraction material science
branch of metallurgical engineering studying the process and methods of extraction of metals from their natural mineral deposits. The field is a materials
Extractive_metallurgy
Chinese chemist and acadmeic (1920–2015)
Principle of Extraction Chemistry, Rare Earth Solvent Extraction, The Structure of Matter and The Basic Principles of Quantum Chemistry and Ab-initio
Xu_Guangxian
The history of chemistry represents a time span from ancient history to the present. By 1000 BC, civilizations used technologies that would eventually
History_of_chemistry
Structural carbohydrate in the cell walls of land plants and some algae
hydrothermal extraction of pectin from tangerine by-product and its physicochemical, structural, and functional properties". Food Chemistry: X. 23 101615
Pectin
Short shot of espresso coffee
differ from those of a full-length extraction for three reasons: More concentrated: the first part of any extraction is the most concentrated, its color
Ristretto
American chemical engineer and educator
Chem. Fundamentals, 21, 447-451 (1982). A. S. Kertes & C. J. King, "Extraction Chemistry of Fermentation Product Carboxylic Acids", Biotechnol. & Bioengg
C._Judson_King
Purification of RNA from biological samples
RNA extraction is the purification of RNA from biological samples. This procedure is complicated by the ubiquitous presence of ribonuclease enzymes in
RNA_extraction
Chemical compound
quaternary ammonium salt used as a phase transfer catalyst and metal extraction reagent. It contains a mixture of C8 (octyl) and C10 (decyl) chains with
Aliquat_336
Gaseous fossil fuel
either be vented without burning, flared (burned off) or collected. The extraction and consumption of natural gas is a major industry. According to a 2025
Natural_gas
Compressed form of cannabis resin
bags with various-sized screens and plant material. With the ice-water extraction method the resin becomes hard and brittle and can easily be separated
Hashish
Research of materials
Enlightenment, when researchers began to use analytical thinking from chemistry, physics, and engineering to understand ancient, phenomenological observations
Materials_science
Class of naturally occurring chemical compounds
purified from crude extracts of these organisms by acid-base extraction, or solvent extractions followed by silica-gel column chromatography. Alkaloids have
Alkaloid
Extremely strong acid
In chemistry, a superacid (according to the original definition) is an acid with an acidity greater than that of 100% pure sulfuric acid (H2SO4), which
Superacid
Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a02_001. ISBN 3527306730. Nekovář, P.; Schrötterová, D. (2000). "Extraction of V(V), Mo(VI)
Primene_amines
Oleoresin obtained by the extraction of hashish
Hash oil or cannabis oil is an oleoresin obtained by the extraction of cannabis or hashish. It is a cannabis concentrate containing many of its natural
Hash_oil
Swedish academic
solvent extraction which he did while working in the Nuclear Chemistry section at Chalmers. He obtained his masters (MS) in Stockholm in chemistry, physics
Jan_Rydberg
Chemical compound
Christine C.; Westra, Arjan N. (2007). "Co-extraction of Cations and Anions in Base Metal Recovery". Coordination Chemistry Reviews. 251 (13–14): 1868–1877. doi:10
Salicylaldoxime
Water from a sea or an ocean
structured guidelines to ensure that extractions are controlled, regular assessments of the condition of the sea post-extraction, and constant monitoring. The
Seawater
Mixture of fragrant substance
1939 Nobel Laureate for Chemistry, Leopold Ružička stated in 1945 that "right from the earliest days of scientific chemistry up to the present time, perfumes
Perfume
Oil from the seeds of Kalahari melon
(2010-04-01). "Extraction of tocopherol-enriched oils from Kalahari melon and roselle seeds by supercritical fluid extraction (SFE-CO2)". Food Chemistry. 119 (3):
Kalahari_melon_oil
Species of flowering plant
subsequent rooting in loamy soil are the most common methods for propagation. Extraction of patchouli's essential oil is accomplished by steam distillation of
Patchouli
Treatment prior to chemical analysis
In analytical chemistry, sample preparation (working-up) refers to the ways in which a sample is treated prior to its analyses. Preparation is a very
Sample_preparation
Ore extraction process
Christine C.; Westra, Arjan N. (2007). "Co-extraction of cations and anions in base metal recovery". Coordination Chemistry Reviews. 251 (13–14): 1868–1877. doi:10
Hydrometallurgy
Laboratory apparatus used to condense vapors
for analytical extraction apparatuses), Zeitschrift für analytische Chemie, 25 : 36. Sella, Andrea (2010). "Allihn's Condenser". Chemistry World. 2010 (5):
Condenser_(laboratory)
Process of extracting nickel from ores
ore's gangue, as well as the desired quality of nickel at the end of extraction. Jules Garnier traveled through New Caledonia from 1863 to 1866 and discovered
Nickel_extraction
Flammable organic fuel (C4H10)
Normal butane can be used for gasoline blending, as a fuel gas, fragrance extraction solvent, either alone or in a mixture with propane, and as a feedstock
Butane
Major component of natural organic matter
history of soil science and, more precisely, in the tradition of alkaline extraction, which dates back to 1786, when Franz Karl Achard treated peat with a
Humic_substance
Latin phrase that translates literally to 'on site'
ecological interactions that cannot be reproduced in a laboratory. In chemistry and experimental physics, in situ techniques make it possible to watch
In_situ
Sample preparation technique
Microextraction with Simultaneous Back-Extraction for Sample Cleanup and Preconcentration: Quantitative Extraction". Analytical Chemistry. 70 (18): 3912–3919. doi:10
Single-drop_microextraction
Illegal preparation of chemicals
Clandestine chemistry is chemistry carried out in secret, and particularly in illegal drug laboratories. Larger labs are usually run by gangs or organized
Clandestine_chemistry
Process of collecting sap or resin from pine trees
related to Resin extraction. Maple syrup Naval stores industry Rosin Rubber tapping Turpentine Langenheim, Jean (2003). Plant resins: Chemistry, evolution,
Resin_extraction
Alloy of mercury with another metal
platinum, tungsten, and tantalum. Gold-mercury amalgam is used in the extraction of gold from ore, and dental amalgams are made with metals such as silver
Amalgam_(chemistry)
American chemist (1926–2023)
Charles E. Maw Professor of Chemistry at Brigham Young University in Provo, Utah. His field of research was macrocyclic chemistry and metal separation technologies
Reed_McNeil_Izatt
Polymer with synthetic molecular receptor
this technique is showing promise in analytical chemistry as a useful method for solid phase extraction. The capability for MIPs to be a cheaper easier
Molecularly_imprinted_polymer
Chemical reaction between an acid and a base
In chemistry, an acid–base reaction is a chemical reaction that occurs between an acid and a base. It can be used to determine pH via titration. Several
Acid–base_reaction
Compound with a metal center bound to ligands
precipitation and solubility of complex ions. Cyanide is used chiefly for extraction of gold and silver from their ores. Phthalocyanine complexes are an important
Coordination_complex
Extraction of valuable minerals or other geological materials from the Earth
Mining is the extraction of geological materials and minerals from Earth's surface. Mining is required to obtain most materials that cannot be grown through
Mining
Laboratory technique
Solid phase microextraction, or SPME, is a solid-phase extraction sampling technique that involves the use of a fiber coated with an extracting phase,
Solid-phase_microextraction
Physico-chemical processes contributing to protect a surface against oxidation
Passivation, in physical chemistry and engineering, refers to coating a material so it becomes "passive", that is, less readily affected or corroded by
Passivation_(chemistry)
through filtration due to the small size of the substances. Liquid–liquid extraction removes an impurity or recovers a desired product by dissolving the crude
List of purification methods in chemistry
List_of_purification_methods_in_chemistry
Chemical element with atomic number 4 (Be)
world's annual beryllium production of 220 tons is usually manufactured by extraction from the mineral beryl, a difficult process because beryllium bonds strongly
Beryllium
Chemical property of reacting with either an acid or base
In chemistry, an amphoteric compound (from Greek amphoteros 'both') is a molecule or ion that can react both as an acid and as a base. What exactly this
Amphoterism
Thick, sticky, tar-like substance
purification process involves four key steps: extraction, filtration, purification, and dehydration. Extraction: Shilajit is harvested from high-altitude
Shilajit
Process of extracting oil from olives
Olive oil extraction is the process of extracting the olive oil present in olive drupes. Olive oil is produced in the mesocarp cells, and stored in a particular
Olive_oil_extraction
Edward H.; Craig, Lyman C. (1952). "The Extraction and Separation of Bile Acids". Journal of Biological Chemistry. 195 (2): 763–778. doi:10.1016/S0021-9258(18)55787-2
Countercurrent_distribution
Process for extracting oil from oil shale
Shale oil extraction is an industrial process for unconventional oil production. This process converts kerogen in oil shale into shale oil by pyrolysis
Shale_oil_extraction
Wine chemistry
Flash Release Treatment on Phenolic Extraction and Wine Composition". Journal of Agricultural and Food Chemistry. 54 (12): 4270–6. doi:10.1021/jf053153k
Phenolic_content_in_wine
identify chemical substances, both by classical wet chemistry techniques such as precipitation, extraction, distillation, and observational analysis, and by
Glossary_of_chemistry_terms
Acid derived from inorganic compounds
Buffer solutions Dissociation constant Donor number Equilibrium chemistry Extraction Hammett acidity function pH Proton affinity Self-ionization of water
Mineral_acid
Herbal liquid
Solvent concentrations of 25–60% are common, but may run as high as 90%. In chemistry, a tincture is a solution that has ethanol as the sole solvent. In herbal
Tincture
Method of separation in organic chemistry
replaced in many such uses by vacuum distillation and supercritical fluid extraction. It is however much simpler and economical than those alternatives, and
Steam_distillation
Chemical theory about acids and bases
hydrogen interferes as seriously with the systematic understanding of chemistry as would the restriction of the term oxidizing agent to substances containing
Brønsted–Lowry acid–base theory
Brønsted–Lowry_acid–base_theory
Plant oil
catechol, resorcinol, (−)-epicatechin and (+)-catechin. Depending on the extraction method, argan oil may be more resistant to oxidation than olive oil. In
Argan_oil
Sub-discipline of analytical chemistry
Bioanalysis is a sub-discipline of analytical chemistry covering the quantitative measurement of xenobiotics (drugs and their metabolites, and biological
Bioanalysis
Copper iron sulfide mineral
refining, and electro-refining" techniques. Crushing, leaching, solvent extraction, and electrowinning are techniques used in hydrometallurgy.[citation needed]
Chalcopyrite
Species of tree
isolated from the seed hulls of Hydnocarpus wightiana". Indian Journal of Chemistry. 12: 993. Sengupta, A.; Gupta, J. K.; Dutta, J.; Ghosh, A. (Jun 1973)
Hydnocarpus_pentandrus
Class of plant cell wall polysaccharides
Turner, Charlotta (2015). "Pressurized hot water extraction of bioactives". Trends in Analytical Chemistry. 71: 39–54. doi:10.1016/j.trac.2015.02.022. Gallina
Hemicellulose
for the practice of resin extraction from black pine trees and other evergreens. This profession centers around the extraction of tree resin, also known
Austrian_Resin_Extraction
Boron compound, a salt of boric acid
(as a flux) meant to eliminate the need for toxic mercury in the gold extraction process, although it cannot directly replace mercury. Borax was reportedly
Borax
Spice, herbal drug
Forest farming / gardening Honey hunting Indian forest produce Mushroom hunting Naval stores Resin extraction Rubber tapping Wildcrafting Category Commons
Juniper_berry
Type of rechargeable battery
large impact on technology, as recognized by the 2019 Nobel Prize in Chemistry, which was awarded to contributors to the development of Li-ion batteries
Lithium-ion_battery
Substance to test chemical acidity
contain partly litmus and partly orcein pigments. The orcein is removed by extraction with alcohol, leaving the pure blue litmus. It is marketed as blue lumps
Litmus
Specialized form of column chromatography
Synge during the 1940s. They would later receive the 1952 Nobel Prize in Chemistry "for their invention of partition chromatography". The process of separating
Partition_chromatography
Chemicals used to extract metal from ore
Brent; Brunner, Gerd (2006). "Liquid–Solid Extraction". Ullmann's Encyclopedia of Industrial Chemistry. doi:10.1002/14356007.b03_07.pub2. ISBN 978-3-527-30385-4
Lixiviant
Chemical process
(see: solubility). For some examples of this effect, see liquid-liquid extraction. It is possible to extract a solute from one liquid phase to another without
Absorption_(chemistry)
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EXTRACTION CHEMISTRY