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define selectivity - terminologies used in chromatographyselectivity is a measure of preference a stationary phase shows for one solute over another
define resolution - terminologies used in chromatographyresolution is the effectiveness of the separation and is determined by two factorsthese
distribution coefficient - terminologies used in chromatographyduring the purification or separation of the biomolecules it should be kept in mind
define development - terminologies used in chromatographydevelopment is the process of passing a mobile phase over the adsorbent or support during
define gas liquid chromatographythis is used for separating and identifying volatile compounds of fatty acids hydrocarbons sterols amino acids and
define thin layer chromatographythis is an improvement over paper chromatography and uses thin layers of slurried absorbents like silica gel alumina
why ascending method of paper chromatography is preferredthe ascending method is preferred because of the simplicity of the set up in actual method
define descending type of paper chromatographyin descending chromatography the movement or flow of mobile phase is in downward direction in this
define ascending type of paper chromatographythe ascending type consists in dipping the lower end of the paper containing the sample spots into the
explain following trems a state three structural features of prokaryotic cellsb describe the functions in eukaryotic cells of lysosomes ribosomes and
define technique of paper chromatographypaper chromatography is used as1ascending 2descending or3horizontal technique circular paper chromatographyit
define about the paper chromatographypaper chromatography is a very useful technique for separating mixtures of metal ions anions amino acids sugars
define about the column chromatographyin column chromatography a tube is filled with the material constituting the stationary phase plus a solvent
define modes or techniques for chromatographic separationin practice chromatographic separation may take one of these modes or techniques paper
define ion exchange chromatographyin this method a reversible exchange of ions is effected usually resins and ionic solutes are the two components
define exclusion chromatography - basic separation techniqueit is a chromatographic process in which separation of the sample components takes place
define partition chromatography - basic separation techniqueit is a technique in which separation is achieved as a consequence of the relative
define adsorption chromatography - basic separation techniqueadsorption is surface interaction and is by number of forces between surface atoms of
define classification of chromatography - basic separation techniquechromatography can be classified depending upon physiochemical principlesfactors
define popularity of chromatography - basic separation techniquechromatography is popular becausea minute quantities can be analysed qualitatively
define chromatography - basic separation techniquechromatography is the most effective technique for the separation purification and identification
define general procedure of titration - nutritional biochemistryin general a titration requires that we add precise amounts of the known titrant
define standardization - nutritional biochemistryone of the substances involved in a titration must be used as a standard for which the amount of
equivalence point and end point - nutritional biochemistrytitrimetric analysis volumetrically measures the amount of reagent often called a
define about the types of indicatorsthe various types of indicators used arei acid-base indicatorsii redox indicatorsiii metal ion indicatorsiv