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ICP Plasma "torch". The ICP-AES is composed of two parts: the ICP and the optical spectrometer. The ICP torch consists of 3 concentric quartz glass tubes. [2] The output or "work" coil of the radio frequency (RF) generator surrounds part of this quartz torch. Argon gas is typically used to create the plasma.
ICP discharges are of relatively high electron density, on the order of 10 15 cm −3 [citation needed]. As a result, ICP discharges have wide applications wherever a high-density plasma (HDP) is needed. ICP-AES/ICP-OES, a type of atomic emission spectroscopy. ICP-MS, a type of mass spectrometry. ICP-RIE, a type of reactive-ion etching.
The development of analytical nebulizers since the introduction of the ICP / ICP-MS is seen below: [6] 1970s Adjustable Cross flow (US patent #4,344,574) [7] 1974 Meinhard Concentric 1978 V-groove (by Suddendorf and Boyer) (US Patent #4,206,160) [8] 1980 Pillar and Post (by Garbarino and Taylor) 1983 GMK Nebulizer: Glass Babington V-groove
Inductively coupled plasma (ICP) source of the emission consists of an induction coil and plasma. An induction coil is a coil of wire that has an alternating current flowing through it. This current induces a magnetic field inside the coil, coupling a great deal of energy to plasma contained in a quartz tube inside the coil.
ICP-MS is a common method for the determination of cadmium in biological samples. [14] Unlike atomic absorption spectroscopy, which can only measure a single element at a time, ICP-MS has the capability to scan for all elements simultaneously. This allows rapid sample processing.
Atomic absorption spectroscopy (AAS) Atomic emission spectroscopy (AES) ... Inductively coupled plasma (ICP) Infrared Spectroscopy (IR) Ion-mobility spectrometry (IMS)
Atomic absorption spectroscopy (AAS) is a spectro-analytical procedure for the quantitative measurement of chemical elements. AAS is based on the absorption of light by free metallic ions that have been atomized from a sample. An alternative technique is atomic emission spectroscopy (AES).
ICP-AES – Inductively coupled plasma atomic emission spectroscopy; ICP-MS – Inductively coupled plasma mass spectrometry; Immunofluorescence; ICR – Ion cyclotron resonance; IETS – Inelastic electron tunneling spectroscopy; IGA – Intelligent gravimetric analysis; IGF – Inert gas fusion