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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
define regents for determination of inorganic phosphorus1 trichloroacetic acid 10 - dissolve 100 g of high grade crystalline acid in distilled water
define reagents for estimation of calcium using edta titrimetric method1 buffer solution dissolve 169 g nh4ci in 143 ml nh4oh to this add 50 ml of
explain stereochemistrya the stereochemistry is e the br has higher priority on one carbon stereocenter but it has lower priority on the otherb the
alkyl substituents on the double bond23-dimethyl-2-butene has four alkyl substituents on the double bond this alkene is more stable than
define the principle behind cyanmethemoglobin methodthe principle behind the cyanmethemoglobin method is as followprinciple the haemoglobin is
the hydration of propenethe hydration of propene includes the usual mechanistic steps of alkene protonation to form a carbocation followed by the
define the estimation of haemoglobin in bloodseveral methods are used to determine haemoglobin in these methods hemoglobin is measured as
define estimation of iron in any solutioniron can be determined calorimetrically the principle is described nextprinciplethe iron is determined in
define methods for estimation of iron and haemoglobinin this section we shall study the procedure involved in estimation of iron in any sample first