11 Questions
What is the principle of separation in High Performance Liquid Chromatography?
Different components of a mixture have different tendencies to adsorb onto very fine particles of a solid
What is the purpose of the flame in Atomic Absorption Spectroscopy?
To convert the sample element into atoms of that element
What is the relationship between absorbance and concentration in Atomic Absorption Spectroscopy?
Absorbance is directly proportional to concentration
What is the purpose of the mobile phase in chromatography?
To transport the sample along the column
What is the principle of separation in Gas Chromatography?
Different components of a mixture have different interactions with the stationary and mobile phases
What is the primary principle of separation in a mass spectrometer?
Relative atomic masses
What is the purpose of vaporisation in a mass spectrometer?
To convert molecules into ions
What is the relationship between absorbance and concentration in ultraviolet spectroscopy?
Absorbance is directly proportional to concentration
What is the purpose of passing UV light through a blank in ultraviolet spectroscopy?
To obtain a reference spectrum
What is the primary application of mass spectrometry in environmental analysis?
Analysis of gases from a waste dump
What is the purpose of ionisation in a mass spectrometer?
To convert molecules into ions
Test your knowledge of chromatography principles, processes, and uses in organic chemistry, including stationary and mobile phases, and applications in drug testing and gas chromatography.
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