PHARMACEUTICAL ANALYSIS CHAPTER 1 QUIZ

Qualitative Analysis is used to

• Indicates quantity of a substance

• Indicates Conc of a substance

• Indicates quality ( identity) of a substance

• Indicates Amount of a substance

Process of Measuring % of purity is called

• Method

• Assay

• Matrix

• Interference

Conc of Gravimetric vs Conc of Titrimetric

Depends on

• Weight vs Volume

• End point vs Volume

• Volume vs weight

• Volume vs End point

HPLC Chromatography is

• Instrumental analysis

• Chemical analysis

• None of them

• Both of them

Answer explanation

Electrochemical method is

• Chemical

• Physical

• Electrical only

• Hybrid

Spectroscopy instruments form........Chart

• Chromogram

• Spectrum

• Titrant

• End point

Factors affecting Choosing the best method of analysis

• Sample Size

• Sample type

• Analyte Conc

• Selectivity of method

Systematic error due to Non Calibrated equipments

• Instrumental

• Observational

• Environmental

• Theoretical

Systematic error due to reading meniscus in wrong position

• Instrumental

• Observational

• Environmental

• Theoretical

Estimate Precision by

• Absolute error

• Standard deviation

• Variance

• Range