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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 enantiomerthe two structures differ in configuration at both asymmetric carbonsthey are
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
explain meso stereoisomera for a molecule to have a meso stereoisomer it must have more than single asymmetric atom and it must be divisible into
give examples of steric effectsthese are both examples of steric effects placing three highly branched groups around a central boron results in van
define precautions for determination of haemoglobin content in blood1 potassium cyanide is highly toxic and hence drabkins solution should not be
define sample preparation for haemoglobin content in blood wipe the index finger or middle finger with a cotton swab soaked in spirit prick the
the abstraction of a hydrogen atomthe h-cn bond is stronger than the o-h bond the abstraction of a hydrogen atom from hcn by the tert-butoxy radical
preparation of the standard curve for haemoglobin label 6 clean dry rest tubes and label them as s1 -s6 add 5 ml of drabkins solution to test tube
define cyanmethaemoglobin standard - haemoglobin content in bloodcertified standard haemoglobin solution may be obtained from certified or reputed
explain peroxide-promoted addition peroxide-promoted addition is in competition with normal addition and rearrangement the normal processes happen at
define ferricyanide-cyanide reagent or drabkins solutiondissolve 02 g potassium ferricyanide 005 g potassium cyanide and 10 g sodium bicarbonate in
define precautions for estimation of iron in the solution1 washing of glassware for iron estimation is important insufficient washing for iron
define procedure for estimation of iron in the solutioncarry out the experiment following the steps enumerated herewith1 weigh 702 mg of reagent
define reagents estimation of iron in the solution1 conc sulphuric acid iron free2 conc potassium permanganate solution3 saturated potassium
define precautions for determination of inorganic phosphorus1 all reagents should be added in the order mentioned2 allow 10 minutes for the colour to