quiz image

24 Chromatography & Instrumentation MCQ2

PrudentRainforest avatar
PrudentRainforest
·
·
Download

Start Quiz

Study Flashcards

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.

Make Your Own Quizzes and Flashcards

Convert your notes into interactive study material.

Get started for free
Use Quizgecko on...
Browser
Browser