strong basic anion-exchange resin

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• Ion exchange resin — An ion exchange resin is an insoluble matrix (or support structure) normally in the form of small (1 2 mm diameter) beads, usually white or yellowish, fabricated from an organic polymer substrate. The material has highly developed structure of… …   Wikipedia

• ion-exchange reaction — ▪ chemical reaction Introduction       any of a class of chemical reactions between two substances (each consisting of positively and negatively charged species called ions (ion)) that involves an exchange of one or more ionic components.… …   Universalium

• separation and purification — ▪ chemistry Introduction       in chemistry, separation of a substance into its components and the removal of impurities. There are a large number of important applications in fields such as medicine and manufacturing. General principles… …   Universalium

• rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …   Universalium

• carboxylic acid — Chem. any organic acid containing one or more carboxyl groups. [1900 05; CARBOXYL + IC] * * * Any organic compound with the general chemical formula ―COOH in which a carbon (C) atom is bonded to an oxygen (O) atom by a double bond to make a… …   Universalium

• stain — 1. To discolor. 2. To color; to dye. 3. A discoloration. 4. A dye used in histologic and bacteriologic technique. 5. A procedure in which a dye or combination of dyes and reagents is used to color the constituents of cells and tissues. For… …   Medical dictionary

• Mineral — For other uses, see Mineral (disambiguation). An assortment of minerals. A mineral is a naturally occurring …   Wikipedia

• Ethylenediaminetetraacetic acid — EDTA redirects here. For other uses, see EDTA (disambiguation). Ethylenediaminetetraacetic acid …   Wikipedia