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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.
Define prevention of idd - Double Fortified salt? iron deficiency anaemia and iodine deficiency disorders often co-exist, the most effective approach to control these public he
The distinct ecological importance of species supports functional diversity and has a direct bearing on the species composition of the site, and therefore on overall biodiversity.
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Define Iron Status of the Individual Lastly, iron status of the individual is a floury determinant of how much iron is absorbed. On a mixed diet with some haem iron, the overal
newer trends of animal taxonomy
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What would happen to the rate of photosynthesis in C3 plants if the CO2 concentration level almost doubles from its present level in the atmosphere?
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MORPHOLOGICAL AND ANATOMICAL EVIDENCES - (i ) HOMOLOGOUS ORGANS - The organs apparently similar or dissimilar in structure and function, but of similar embryonic origi
Which type of plant tissue is cork? Cork, the material, for example, used to cap wine bottles, is extracted from the suber of a special oak known as cork oak.
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