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what is the chemical nature of carbohydrates the name carbohydrate owes its origin to the fact that most substances of this class have empirical
q what are carbohydrates carbohydrates are important organic compounds widely distributed in animals and plants plants can synthesize carbohydrates
define about the carbohydrates - nutritional biochemistrycarbohydrates you should observe by now are made up of carbon hydrogen and oxygen only with
explain some precautions for preparation of chloride buffers1 glass electrodes should always be before and after measuring ph with a tissue paper2
define precautions for preparation of phosphate buffers1 glass electrodes should always be dried before and after measuring ph with a tissue paper2
define reagents for preparation of phosphate buffersbuffer solutions of ph4 ph7 and ph 918phosphate buffer solution 01 m disodium hydrogen phosphate
define some precautions for measurement of ph1 never touch the membrane of the glass electrode with anything else except soft tissue paper since it
define procedure for measurement of phto ensure reliability of the ph readings you should first calibrate the ph meter you should adjust the ph meter
define reagents for measurement of phbuffer solutions of ph 4 ph 7 and ph 918 for calibration and an unknown solution ie solution of unknown phyou
define principle behind the functioning of a ph meterprinciple hydrogen ions in solution like other ionic species conduct an electric current when a
what is a ph metera ph meter is a device used for measuring ph of any unknown solution it is composed ofa a reference electrodeb glass electrode
define methods for determining phthere are two general methods for determining ph of a solution one is the colorimetric method and the other most
define the buffer capacity - nutritional biochemistrybuffer capacity can be defined as the capacity of a solution to resist changes in ph on the
define some example of acidic and basic bufferfrequently used example of acidic and basic buffer includes- acidic buffer a mixture of ch3 cooh acetic
how buffer solution can be prepareda buffer solution can be prepared to have a desired value of ph by controlling the amount of acid and its salt in
define buffers and buffer solutionssolutions containing both weak acid and their salts or solutions containing weak hydroxides and their salts are
explain about the ph - nutritional biochemistryyou have already studied about ph in your undergraduate years and know what it means yes
define glass photo-emissive tubesglass photoemissive tubes are those which consist of a curved metal cathode coated with a photosensitive material
define barrier layer cells photocellsthey are the very simple of the detectors it contains the bottom support layer of conductive metal like iron a
explain the photosensitive detectorsa wide range of detectors varying in senstivity and cost are available they contain a light sensitive surface
explain the advantages of double beam methodthe double beam method has advantage over single beam as it automatically corrects for the change in
explain the types of double beam systemsfollowing are types of double beam systemsa dual beam in space typeb dual beam in time typein type a separate
define single beam and double beam optical pathin simpler instruments a single beam of light passes through the cuvettes and reaches the detector
define essential parts of photocolorimeter - sample cuvettesfor accurate and precise reading cuvette must be transparent clean devoid of any
define essential parts of photocolorimeter - monochromatorsthis is a means of selecting a sufficiently narrow waveband early colorimeters used glass