Transcription of CHAPTER 4 Inductively Coupled Plasma—Atomic Emission ...
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CHAPTER 4 Inductively Coupled Plasma—Atomic Emission ...
CHAPTER 4 Inductively Coupled Plasma Atomic Emission Spectrometry Introduction and History Greenfield et al. developed plasma-based instruments in the mid 1960s about the same time flame-based instruments such as FAAS and FAES ( CHAPTER 2) became prominent (Analyst, 89, 713-720, 1964). These first plasma-based instruments used direct current (DC) and microwave-induced (MI) systems to generate the plasma. Interference effects and plasma instability limited the utility of plasma instruments during analysis; consequently flame-based spectrometry instruments (such as FAAS) dominated the analytical market for metals analysis and remain effective today.
time and are unable to easily analyze metalloids. ICP optical systems, by contrast, can analyze about 60 different elements at the same time with a single source (the plasma). The most common instruments today are inductively coupled plasma—atomic emission spectrometers (ICP-AES) and inductively coupled plasma—mass spectrometers (ICP-MS).
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