Analytical Chemistry: An IntroductionSaunders College Pub., 1994 - 675 pagine |
Dall'interno del libro
Risultati 1-3 di 80
Pagina 569
... ( Note 3 ) ; then add another 1 to 2 mL of NH3 . If the solutions are not clear at this stage , proceed as directed in Note 4. Make the solutions acidic with HCl ( no odor of NH3 ) , heat to 60 ° C to 80 ° C , and add about 20 mL of the 1 ...
... ( Note 3 ) ; then add another 1 to 2 mL of NH3 . If the solutions are not clear at this stage , proceed as directed in Note 4. Make the solutions acidic with HCl ( no odor of NH3 ) , heat to 60 ° C to 80 ° C , and add about 20 mL of the 1 ...
Pagina 571
... Note 1 ) . Transfer 1 L of distilled water to the storage bottle ( see the Note in Section 29B - 3 ) . Decant 4 to 5 mL of 50 % NaOH into a small container ( Note 2 ) , add it to the water , and mix thoroughly . USE EXTREME CARE IN ...
... Note 1 ) . Transfer 1 L of distilled water to the storage bottle ( see the Note in Section 29B - 3 ) . Decant 4 to 5 mL of 50 % NaOH into a small container ( Note 2 ) , add it to the water , and mix thoroughly . USE EXTREME CARE IN ...
Pagina 607
... ( Note 3 ) 0.4 2 5 5.00 ( Note 3 ) 0.4 3 5 0.00 ( Note 3 ) 0.0 Boil each solution gently for 5 min , cool , and transfer it quantitatively to a 50 - mL volumetric flask . Dilute to the mark , and mix well . Measure the absorbance of ...
... ( Note 3 ) 0.4 2 5 5.00 ( Note 3 ) 0.4 3 5 0.00 ( Note 3 ) 0.0 Boil each solution gently for 5 min , cool , and transfer it quantitatively to a 50 - mL volumetric flask . Dilute to the mark , and mix well . Measure the absorbance of ...
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