Week 13: Inductively Coupled Plasma (ICP) Flashcards
What is the fundamental principle behind ICP-based elemental analysis?
Explain the role of argon gas in the ICP torch.
How does the ICP torch generate high temperatures?
Describe the process of atomization and ionization within the ICP.
What are the key differences between ICP-AES and ICP-MS?
Draw a schematic diagram of a typical ICP-OES instrument.
What is the purpose of the nebulizer in an ICP system?
Explain the function of the spray chamber.
How does the monochromator in ICP-OES separate different wavelengths of light?
Describe the role of the mass spectrometer in ICP-MS.
What are the typical detection limits for ICP-AES and ICP-MS?
Discuss the linear dynamic range of ICP techniques.
How does matrix interference affect ICP measurements?
Explain the concept of spectral interferences and how they are minimized.
What are the advantages of ICP-MS over ICP-AES in terms of sensitivity and selectivity?
List five common applications of ICP in environmental analysis.
How is ICP used in the analysis of biological samples?
Describe the use of ICP in geological and geochemical studies.
Explain the role of ICP in the pharmaceutical industry.
Discuss the application of ICP in forensic science.
How are calibration standards prepared for ICP analysis?
Explain the importance of internal standards in ICP measurements.
Discuss the factors that influence the choice of analytical lines in ICP-OES.
How can you optimize the operating conditions of an ICP torch for maximum sensitivity?