- sample extraction
- отбор пробы
Англо-русский словарь промышленной и научной лексики. 2014.
sample extraction
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sample preparation — ▪ chemistry Introduction in analytical chemistry (chemistry), the processes in which a representative piece of material is extracted from a larger amount and readied for analysis. Sampling and sample preparation have a unique meaning and special … Universalium
extraction — A chemical procedure for removing one type of material from another. Extraction is generally carried out by immersing a solid in a liquid, or by shaking two immiscible liquids together, resulting in the transfer of a dissolved substance from… … Forensic science glossary
Solid phase extraction — (SPE) is a separation process that is used to remove solid or semi solid compounds from a mixture of impurities based on their physical and chemical properties. Analytical laboratories use solid phase extraction to concentrate and purify samples… … Wikipedia
Phenol-chloroform extraction — is a liquid liquid extraction technique in biochemistry. It is widely used in molecular biology for isolating DNA, RNA and protein. Equal volumes of a phenol:chloroform mixture and an aqueous sample are mixed, forming a biphasic mixture. This… … Wikipedia
Supercritical fluid extraction — (SFE) is the process of separating one component (the extractant) from another (the matrix) using supercritical fluids as the extracting solvent. Extraction is usually from a solid matrix, but can also be from liquids. SFE can be used as a sample … Wikipedia
Oil shale extraction — is an industrial process in which kerogen mdash;a mixture of organic chemical compounds (including hydrocarbons) found in oil shale mdash;is converted into synthetic crude oil through pyrolysis. In pyrolysis, oil shale is heated in the absence of … Wikipedia
Differential extraction — refers to the process by which the DNA from two different types of cells can be extracted without mixing their contents. The most common application of this method is the extraction of DNA from vaginal epithelial cells and sperm cells from sexual … Wikipedia
DNA extraction — DNA isolation is a routine procedure to collect DNA for subsequent molecular or forensic analysis. There are three basic and two optional steps in a DNA extraction: Breaking the cells open, commonly referred to as cell disruption or cell lysis,… … Wikipedia
Shale oil extraction — Shell s experimental in situ shale oil facility, Piceance Basin, Colorado, United States Process type Chemical Industrial sector(s) Chemical industry, oil indus … Wikipedia
Gel extraction — In molecular biology, gel extraction or gel isolation is a technique used to isolate a desired fragment of intact DNA from an agarose gel following agarose gel electrophoresis. After extraction, fragments of interest can be mixed, precipitated,… … Wikipedia
Phenol extraction — is a method used to purify a DNA sample.In this method, a mixture of TE (or Tris Ethylenediaminetetraacetic acid) and phenol is combined with an equal volume of an aqueous DNA sample. After agitation and centrifugal separation, the aqueous layer… … Wikipedia
