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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.
Explain Fetal Development? The medical profession divides pregnancy into three-month stages called trimesters. At the end of the first trimester, the fetus is only about 5 cm l
1. Carbon monoxide (CO): It is colourless, odourless, tasteless gas and is not soluble in water. Source: CO is produced due to: (i) Incomplete combustion of fuels
Shell - body form Protozoans Majority of protozoans posses an exoskeleton in the form of a shell, also called test. The shell forms a loose covering around the body of the ani
What role would a cell coat play if it was a part of a city?
Q. What are the homologous chromosomes? Which are the human cells that do not have homologous chromosomes? Chromosomes contain genes genetic information in the form of nucleoti
Q. Classification of plants and animals? The first and foremost step in the classification of plants and animals is the. grouping together of individual organisms on the basis
Indinavir (IDV, Crixivan) Indinavir has good oral bioavailability. Indinavir 800 mg combined with ritonavir 100 mg (both b.i.d. for ease of use) was comparable in effectiven
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We have no antibodies against any blood group when we are born still we say that some blood groups are incompatible for us.why?
Define Sample Titration - Estimation of nitrogen and protein content? Take the given ammonium sulfate solution into a 100 ml volumetric flask and dilute to the mark with distil
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