ANACHEN QUIZ (MODULE 9) Flashcards
the over all procedure for the determination of stoichiometry or equivalence point.
titration
common laboratory method to determine the concentration of an identified analyte
titration
the solution added or reagent generated in a titration
titrant
the solution to which titrant is added
titrand
the point at which the indicator changes colour in the coloumetric titration
end point
is the point of titration when the amount of added standard reagent is equivalent to the amount of analyte
equivalent point
a reagent or device used to indicate when the end point has been reached
indicator
is a reagent of known concentration
standard solution
are used in titrations and in many other chemical analyses
standard solution
used to consume an analyte is determined by titration with a second standard solution
back titration
are often required when rate of reaction between the analyte and reagent is slow or when the standard solution lacks stability
back titration
is an ultrapure compound that serves as the reference material for a titration or for another type of quantitative analysis
primary standard
is a compound whose purity has been determined by chemical analysis
secondary standard
it serves as the working standard material for titrations and for many other analyses
secondary standard
titration procedure is carried out without analyte water sample
blank titration
it is used to correct titration error
blank titration
are based on determining the quantity of a reagent of known concentration that is required to react completely with the analyte
titration method
3 TYPES OF TITRATION
volumetric titrations, gravimetric titrations, coulometric titrations
measuring the volume of a solution of known concentration
volumetric titrations
the mass of the reagent of a known concentration
gravimetric titrations
measuring total charge to complete the redox reaction
coulometric titrations
titration method is also called as
titrimetric methods
it involves the controlled reaction of a standard reagent known amount with a solution of the analyte
titrimetric method
fast solution reactions between analyte and reagent
principles