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Analytical Methods in Food Science II: Course Overview

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Analytical Methods in Food Science II: Course Overview

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Questions and Answers

What is the main principle behind spectroscopy?

The use of electromagnetic radiation to measure chemical concentrations.

The production, measurement, and interpretation of spectra from the interaction of electromagnetic radiation with matter. (correct)

The measurement of the absorption or emission of light by a sample.

The quantitative measurement of the intensity of one or more wavelengths of radiant energy.

What is the main difference between atomic and molecular spectroscopy?

Atomic spectroscopy is used for absorption measurements, while molecular spectroscopy is used for emission measurements.

Atomic spectra are affected by interactions of the transitioning electrons with the nuclei spins and with the other electrons in the atom, while molecular spectra are not affected by these interactions.

Atomic spectra involve transitions of electrons between energy levels in isolated atoms, while molecular spectra involve transitions in molecules with two or more atoms. (correct)

Atomic spectroscopy uses a prism or grating dispersion device, while molecular spectroscopy uses a filter for wavelength selection.

What is the main difference between a spectrometer and a photometer?

A spectrometer uses a prism or grating dispersion device, while a photometer uses a filter for wavelength selection. (correct)

A spectrometer is used for atomic spectroscopy, while a photometer is used for molecular spectroscopy.

A spectrometer is a more accurate instrument than a photometer.

A spectrometer is used for absorption measurements, while a photometer is used for emission measurements.

What is the main purpose of spectrophotometry?

To measure chemical concentrations using electromagnetic radiation. Signup and view all the answers

What is the main difference between atomic and molecular spectra?

Atomic spectra involve transitions of electrons between energy levels in isolated atoms, while molecular spectra involve transitions in molecules with two or more atoms. Signup and view all the answers

What is the main purpose of a spectroscopic analysis?

To analyze the production, measurement, and interpretation of spectra from the interaction of electromagnetic radiation with matter. Signup and view all the answers

What is the primary focus of the course 'Analytical Methods in Food Science II'?

Analyzing the qualitative and quantitative aspects of minor food components Signup and view all the answers

Which of the following analytical techniques is NOT covered in detail in this course?

Nuclear magnetic resonance (NMR) Signup and view all the answers

According to the course description, what is the purpose of discussing the advantages and limitations of analytical instruments?

To help students understand the scope of each instrument Signup and view all the answers

Which of the following analytical techniques is NOT mentioned in the course description?

Mass spectrometry Signup and view all the answers

According to the course learning outcomes, which of the following is NOT an expected outcome of this course?

Selecting appropriate techniques for analyzing food preservatives Signup and view all the answers

Which of the following physical properties of food is covered in this course?

Rheological properties Signup and view all the answers