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Define Ion exchange chromatography?
In this method a reversible exchange of ions is effected. Usually resins and ionic solutes are the two components involved in ion-exchange. Ion exchange resins are of two types cation and anion exchange resins. The acidic or cation exchange resins contain sulfonic acid groups (SO3H), carboxylic groups (COOH) or phenol groups (OH).
Basic or anion exchange resins contain weakly basic amine groups (NH2) or strongly basic quarternary ammonium groups (NH4)+ OH-. The surfaces of acid resins bind cations such as H, Na+, Ca2+, NH4+. The basic or anion exchange resins carry positive charges on the surface and thus adsorb negative ions.
L u mp y skin disease The disease, reported from Sudan in 1970 and Egypt in 1988, is caused by a member of the Capripox virus. It affects cattle and is restricted to African
development of chick
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what are the consequences of parthenogenesis in human life if humans reproduced through parthenogenesis?
Determine Major Aspects of the Mechanism of Freeze Drying? The major aspects of the mechanism of freeze drying are: (a) The removal of vapour from the subliming ice front w
methods of isolating and purifying two useful products from microorganisms
Question 1: What are Good Pharmacovigilance Process and Good Post-Marketing Surveillance Process? How do they differ from each other? Define and illustrate briefly Good Post
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