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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
define about the term indicatorsthe easiest way to determine when the reaction is complete is by using indicators an indicator is a compound that has
define the determination of completion of reaction several methods are used to determine when the reaction is complete some of these includea
define the type of chemical reaction used in volumetric analysisthe titration has to be based on some rapid chemical reaction although any type of
define types of quantitative analyses in nutritional biochemistrymethods of quantitative analysis broadly there are two types of quantitative
define the quantitative analysis in nutritional biochemistryquantitative analysis involves the measurement of the amount of a substance present this
define the qualitative technique in nutritional biochemistryin this manual you will be familiarized with simple qualitative techniques and tests to
define investigative techniques in nutritional biochemistryit is an important component of this manual as it focuses on providing an understanding of
define basic calculations during the practical work in laboratorysome basic mathematical formulas and conversion factors are given herewith to help
explain some dos and donts when working in laboratory1 always wear a lab coat when working a laboratory2 ensure that no harm is caused to yourself or
define general protection in the laboratoryyou are required to wear a laboratory coat at all times in the laboratory it is sensible to buy one of
define safety points that should used in the laboratoryyou should be aware of the rulesregulations and the procedures before undertaking any
define beaker - nutritional biochemistryit is used for storing a liquid to be used in a reaction and for dissolving a substance in a solvent to make
define measuring cylinder - nutritional biochemistryit is used for measuring those reagents which need not be added in very accurate volumes strong
define conical flask - nutritional biochemistryconical flask is a piece of chemistry laboratory equipment a container often made of glass which has a
define pipette - nutritional biochemistrypipettes are used to deliver a known volume of liquid from one container to another they are precision