Analytical Chemistry: An IntroductionSaunders College Pub., 1994 - 675 pagine |
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Pagina 251
... EDTA titrations . In contrast to Eriochrome Black T , some of these indicators can be employed in strongly acidic media . 14B - 7 Types of EDTA Titrations Direct Titration Procedures Approximately 40 cations can be determined by direct ...
... EDTA titrations . In contrast to Eriochrome Black T , some of these indicators can be employed in strongly acidic media . 14B - 7 Types of EDTA Titrations Direct Titration Procedures Approximately 40 cations can be determined by direct ...
Pagina 255
... EDTA . 14-10 . Calculate the volume of 0.0500 M EDTA needed to titrate * ( a ) 26.37 mL of 0.0741 M Mg ( NO3 ) 2 . ( b ) the Ca in 0.2145 g of CaCO3 . * ( c ) the Ca in a 0.4397 - g mineral specimen that is 81.4 % brushite , CaHPO ...
... EDTA . 14-10 . Calculate the volume of 0.0500 M EDTA needed to titrate * ( a ) 26.37 mL of 0.0741 M Mg ( NO3 ) 2 . ( b ) the Ca in 0.2145 g of CaCO3 . * ( c ) the Ca in a 0.4397 - g mineral specimen that is 81.4 % brushite , CaHPO ...
Pagina 256
... EDTA chelate was added : 4HgY2 + B ( CH1 ) + 4H2O · → HзBO3 + 4CH , Hg + + 4HY3 + OH- The liberated EDTA was titrated with 29.64 mL of 0.05581 M Mg2 + . Calculate the potassium ion concentra- tion in parts per million . 14-23 . Chromel ...
... EDTA chelate was added : 4HgY2 + B ( CH1 ) + 4H2O · → HзBO3 + 4CH , Hg + + 4HY3 + OH- The liberated EDTA was titrated with 29.64 mL of 0.05581 M Mg2 + . Calculate the potassium ion concentra- tion in parts per million . 14-23 . Chromel ...
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