Quiz on Atomic Spectroscopy

What is the fundamental principle of Atomic Spectroscopy?

• It examines molecules and ions.

• It measures the temperature of the flame.

• It observes spectral transitions between electronic energy levels of atomic gases.

• It analyzes the color of the flame.

Which of the following techniques is NOT included in atomic spectroscopy?

• Atomic fluorescence spectroscopy

• Atomic emission spectroscopy (AES)

• Molecular absorption spectroscopy

• Atomic absorption spectroscopy (AAS)

What does AAS stand for?

• Atomic Absorption Spectroscopy

• Atomic Analysis System

• Atomic Absorption System

• Atomic Analysis Spectroscopy

What is the primary function of the nebulizer in AAS?

• To measure absorbance

• To provide a light source

• To create a fine aerosol for the flame

• To heat the sample

Which component is responsible for the emission of light in AAS?

• Burner

• Hollow Cathode Lamp

• Monochromator

• Nebulizer

What is the typical temperature range for flame atomization?

• 2000-3000 °C

• 4000-6000 °C

• 1700-3150 °C

• 1000-2000 °C

What type of flame is most commonly used in AAS?

• Natural gas/air

• Acetylene/air

• Hydrogen/air

• Acetylene/oxygen

What is the purpose of the monochromator in AAS?

• To measure the temperature

• To mix the sample with fuel

• To separate different wavelengths of light

• To generate the flame

Which of the following is a common source of interference in AAS?

• Chemical stability

• Spectral interference

• Temperature fluctuations

• Sample size

What is the main advantage of using a double beam AAS instrument?

• It is less expensive.

• It provides a longer path length.

• It allows for simultaneous measurement of two beams.

• It requires less sample preparation.