Analytical Chemistry: An IntroductionSaunders College Pub., 1994 - 675 pagine |
Dall'interno del libro
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Pagina 62
... Standard Deviation ( σ ) The population standard deviation σ , which is a measure of the precision of a population of data , is given by the equation The quantity ( x , - μ ) in Equation 4-5 is the deviation of individual results from ...
... Standard Deviation ( σ ) The population standard deviation σ , which is a measure of the precision of a population of data , is given by the equation The quantity ( x , - μ ) in Equation 4-5 is the deviation of individual results from ...
Pagina 68
... standard deviation . The relative standard deviation multiplied by 100 % is called the coefficient of variation ( CV ) . CV = ( s / x ) × 100 % ( 4-11 ) Prior to the invention of the hand - held sci ... Standard Deviation of Computed Results.
... standard deviation . The relative standard deviation multiplied by 100 % is called the coefficient of variation ( CV ) . CV = ( s / x ) × 100 % ( 4-11 ) Prior to the invention of the hand - held sci ... Standard Deviation of Computed Results.
Pagina 69
... and division . The relative standard deviation of the product or quotient is determined by the relative standard deviations of the numbers forming the computed result . For example , in the case 4D The Standard Deviation of Computed Results ...
... and division . The relative standard deviation of the product or quotient is determined by the relative standard deviations of the numbers forming the computed result . For example , in the case 4D The Standard Deviation of Computed Results ...
Parole e frasi comuni
absorbance absorption acid activity added addition amount analysis analyte applications approximately atomic base becomes buffer Calculate carbonate cations cause cell charge chemical chloride chromatography color column complex compounds concentration consider constant containing curve described determination difference dilute dissociation dissolved EDTA effect electrode electrode potential electrolyte end point Equation equilibrium equivalence error example excess expression Figure filter formation give given glass H₂O H3O+ hydrogen hydroxide increase indicator involves less liquid mass mean measurements metal method mmol molar NaOH needed Note obtained occurs organic oxidation particles positive potassium potential precipitate prepared quantity radiation range reaction reagent reduced reference relative salt sample shown shows silver sodium solid solubility solution species standard standard deviation strong surface Table temperature tion titration types volume weighed write