FRSC 2600 EXAM 2 QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS VERIFIED GRADED A++
Classification of Analytical Methods
Presumptive, Separation, Confirmatory
Qualitative
Instrumental analysis measures a property, which indicates the presence of analyte in
matrix
Quantitative
Instrumental analysis measures a magnitude of a property; the magnitude is
proportional to concentration of analyte in matrix
Detection
The presence of a substance is indicated, as distinguished from the absence of that
substance
Identification
Determine the physical nature and/or chemical structure of a substance with as near
absolute certainty as existing analytical techniques will permit
- finger print
Microscopy
The technical field of using microscopes to view samples & objectives that cannot be
seen with the unaided eye
Chromatography
A technique for separating and tentatively identifying the components of a mixture
, Spectroscopy
The study of the interaction of light with chemical substances
- can often identify molecular structure, though not always
Mass Spectrometry
Molecular structure is determined by evaluation of fragments that are produced in the
experiment
Dactyloscopy
Study of friction ridge patterns
- Fingerprints
- Palmprints
- Footprints
- Lipprints
Friction Ridges
Appear on palms, soles, and the ends of fingers and toes
Basic Principles
The basic principles underlying the use of fingerprints in criminal investigations are that:
A fingerprint is an individual characteristic because no two fingers have yet been found
to possess identical ridge characteristics
Classification
- Many probability models for individuality exist
- Very small probability that 2 individuals will share an arrangement of minutiae
Friction Ridges
COMPLETE SOLUTIONS VERIFIED GRADED A++
Classification of Analytical Methods
Presumptive, Separation, Confirmatory
Qualitative
Instrumental analysis measures a property, which indicates the presence of analyte in
matrix
Quantitative
Instrumental analysis measures a magnitude of a property; the magnitude is
proportional to concentration of analyte in matrix
Detection
The presence of a substance is indicated, as distinguished from the absence of that
substance
Identification
Determine the physical nature and/or chemical structure of a substance with as near
absolute certainty as existing analytical techniques will permit
- finger print
Microscopy
The technical field of using microscopes to view samples & objectives that cannot be
seen with the unaided eye
Chromatography
A technique for separating and tentatively identifying the components of a mixture
, Spectroscopy
The study of the interaction of light with chemical substances
- can often identify molecular structure, though not always
Mass Spectrometry
Molecular structure is determined by evaluation of fragments that are produced in the
experiment
Dactyloscopy
Study of friction ridge patterns
- Fingerprints
- Palmprints
- Footprints
- Lipprints
Friction Ridges
Appear on palms, soles, and the ends of fingers and toes
Basic Principles
The basic principles underlying the use of fingerprints in criminal investigations are that:
A fingerprint is an individual characteristic because no two fingers have yet been found
to possess identical ridge characteristics
Classification
- Many probability models for individuality exist
- Very small probability that 2 individuals will share an arrangement of minutiae
Friction Ridges
