filter-paper analysis

  • 21sample 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 …

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  • 22chromatography — chromatographer, n. chromatographic /kreuh mat euh graf ik, kroh meuh teuh /, adj. chromatographically, adv. /kroh meuh tog reuh fee/, n. Chem. the separation of mixtures into their constituents by preferential adsorption by a solid, as a column… …

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  • 23Thin layer chromatography — Separation of black ink on a TLC plate Acronym TLC Classification Chromatography Other techniques Related …

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  • 24biochemistry — biochemical /buy oh kem i keuhl/, adj., n. biochemic, adj. biochemically, adv. biochemist, n. /buy oh kem euh stree/, n. 1. the science dealing with the chemistry of living matter. 2. the chemistry of living matter. [1880 85; BIO + CHEMISTRY] …

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  • 25Crucible — For other uses, see Crucible (disambiguation). A modern crucible used in the production of silicon ingots via the Czochralski process A crucible is a container used for metal, glass, and pigment production as well as a number of modern laboratory …

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  • 26Newborn screening — See also: Apgar score Newborn screening Intervention MeSH D015997 Newborn screening is the process by which infants are screened shortly after birth for a list of disorders that are treatable, but di …

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  • 27DNA microarray — A DNA microarray (also commonly known as gene chip, DNA chip, or biochip) is a collection of microscopic DNA spots attached to a solid surface. Scientists use DNA microarrays to measure the expression levels of large numbers of genes… …

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  • 28Glossary of fuel cell terms — The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but …

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  • 29Diatomaceous earth — A sample of diatomaceous earth Diatomaceous earth (  / …

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  • 30protein — proteinaceous /proh tee nay sheuhs, tee i nay /, proteinic, proteinous, adj. /proh teen, tee in/, n. 1. Biochem. any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the… …

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