Volumetric Analysis Flashcards
experimental; indicates end of titration
Endpoint
before the end point
Stoichiometric point
Equivalence point
Theoretical Endpoint
Reactants:
Titrant
Analyte
Indicator
known concentration
Titrant
one being analyzed
Analyte
weak acids or bases that change color in pH
change
Indicator
has preliminary step before titration
indirect
Volumetric Solution (VS):
- Primary standard
2 Secondary standard
grams of a substance that is chemically equivalent to 1 ml of a volumetric solution
Titer
Buret used in titration:
Mohr: rubber tube + pinchcock
Geissler: glass stopper
TYPES OF TITRATION BASED ON CHEMICAL
REACTION:
NEUTRALIZATION
REDOX
ION COMBINATION
REDOX
Permanganometry
Cerimetry
lodi & lodometry
Volumetric precipitation
NEUTRALIZATION
Acidimetry
Alkalimetry
Cleaning solutions of buret and glasswares:
- Sodium dichromate in sulfuric acid
- Ammonium peroxydisulfate in sulfuric acid
- Trisodium phosphate solution
- Synthetic detergents