ion-exchange material
91Gadolinium — (pronEng|ˌgædəˈlɪniəm) is a chemical element that has the symbol Gd and atomic number 64. TOC Characteristics Gadolinium is a silvery white, malleable and ductile rare earth metal with a metallic lustre. It crystallizes in hexagonal, close packed …
92Semipermeable membrane — Scheme of semipermeable membrane during hemodialysis, where red is blood, blue is the dialysing fluid, and yellow is the membrane. A semipermeable membrane, also termed a selectively permeable membrane, a partially permeable membrane or a… …
93Electrocoagulation — is also known as Radio Frequency Diathermy or Short Wave Electrolysis. A fine wire probe or other delivery mechanism is used to transmit radio waves to tissues near the probe. Molecules within the tissue are caused to vibrate which lead to a… …
94Depyrogenation — refers to the removal of pyrogens from solution, most commonly from injectable pharmaceuticals. A pyrogen is defined as any substance that can cause a fever. Bacterial pyrogens include endotoxins and exotoxins, although many pyrogens are… …
95Hans Jenny (pedologist) — Infobox Scientist name = Hans Jenny caption = Hans Jenny, 1967, the year of his retirement. birth date = birth date|1899|2|7|df=y birth place = Basel, Switzerland death date = death date and age|1992|1|9|1899|2|7|df=y death place = Berkeley,… …
96Polish heroin — Polish heroin, also known as compote , is a crude, addictive opiate drug used mainly in Eastern Europe prior to the dissolution of the Soviet Union and the end of communist control of the countries of the Warsaw Pact or Eastern Bloc.The use of… …
97Chelex 100 — is a chelating material from Bio Rad[1] used to purify other compounds via ion exchange. It is noteworthy for its ability to bind transition metal ions. It is a styrene divinylbenzene co polymer containing iminodiacetic acid groups. A… …
98Elution — Chromatography column Elution is a term used in analytical and organic chemistry to describe the process of extracting one material from another by washing with a solvent (as in washing of loaded ion exchange resins to remove captured ions). In a …
99astatine — /as teuh teen tin/, n. Chem. a rare element of the halogen family. Symbol: At; at. no.: 85. [1945 50; < Gk ástat(os) not steadfast, unstable (see ASTATIC) + INE2] * * * ▪ chemical element Introduction radioactive chemical element and the… …
100zeolite — zeolitic /zee euh lit ik/, adj. /zee euh luyt /, n. Mineral. any of a group of hydrated silicates of aluminum with alkali metals, commonly occurring as secondary minerals in cavities in basic volcanic rocks: used for their molecular sieve… …
