Instrumental Analysis ACS with Complete Questions and Answers 100% Verified
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Course
Instrumental Analysis ACS
Institution
Instrumental Analysis ACS
Instrumental Analysis ACS with Complete Questions and Answers 100% VerifiedInstrumental Analysis ACS with Complete Questions and Answers 100% VerifiedInstrumental Analysis ACS with Complete Questions and Answers 100% Verified
What does sensitivity mean? - ANSWER-discriminate between small differen...
Instrumental Analysis ACS with
Complete Questions and Answers 100%
Verified
What does sensitivity mean? - ANSWER-discriminate between small differences in
concentration
What does selectivity mean? - ANSWER-degree which method is free from interference
of other species
What does detection limit mean? - ANSWER-min. concentration/ mass of analyte
detected with known confidence level
What are the criteria for selecting a method? - ANSWER-precision, bias, sensitivity,
detection limit, concentration range, and selecitivity
What are the axis for the standard addition method? - ANSWER-absorbance versus
standard volume
List the electromagnetic spectrum in order of increasing wavelengths. - ANSWER-
gamma rays, x-rays, UV, visible, IR, microwave, radio
List the electromagnetic spectrum in order of increasing frequency. - ANSWER-radio,
microwave, IR, visible, UV, x-rays, gamma
What are the different types of transitions? - ANSWER-electronic: transfer electrons
from one to another
vibrational: bond holding molecule together
rotational
What is quantum theory? - ANSWER-molecules exist only in discrete states and can
either absorb or emit radiation when making a transition
What is the axis of the graph in the mole-ratio procedure? - ANSWER-absorbance
versus the mole ratio of the ligand (metal)
How is the electromagnetic radiation described by? - ANSWER-sinusoidal wave model;
discrete stream of photons
What is the electric component of radiation responsible for? - ANSWER-transmission,
reflection, refraction, and absorption
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