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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
define burette - nutritional biochemistrya burette is a vertical cylindrical piece of laboratory glassware with a volumetric graduation on its full
define volumetric flasks - nutritional biochemistrya volumetric flask is used to make up a solution of fixed volume very accurately it is calibrated
define oven - nutritional biochemistryoven is a general term used to describe a chamber or enclosed compartment for heating baking or roasting food
explain about the spectrophotometerthe spectrophotometer a key instrument today in biomedical laboratories was invented in 1939 by the american
explain about the colorimetercolorimeter is an instrument for measuring the colour or colour intensity of a solution it is an instrument that
define the water bath with shakeran electric water bath with a shaker that can hold test tubes as well as conical flasks when on a non-shake mode it
explain about the autodispensorthis is used to transfer accurate quantities of liquids that are difficult to pipette like concentrated acids alkalis
define the working of cyclomixerthis is an electrical mixer used for mixing the contents of a test tube the speed of the mixer can be adjusted to
define the working of ph meterthe ph of a solution we know measures the degree of acidity or alkalinity relative to the ionization of water sample a
basic instruments equipment used in biochemical laboratories and important working tipsthe first practical in this manual will orient you to the