Spark ion source

To make the instrument more versatile, some spark source units have been redesigned in the past to make them interchangeable with other types of ion sources (e.g., laser ion source). The insertion of a laser ion source instead of a spark ion source allows the direct analysis of insulators without any treatment, as described by Dietze.74 75 79 

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The ion source is an essential component of all mass spectrometers where the ionization of a gaseous, liquid or solid sample takes place. In inorganic mass spectrometry, several ion sources, based on different evaporation and ionization processes, such as spark ion source, glow discharge ion source, laser ion source (non-resonant and resonant), secondary ion source, sputtered neutral ion source and inductively coupled plasma ion source, have been employed for a multitude of quite different application fields (see Chapter 9). 

The glow discharge ion source is simple yet versatile, providing information for emission and mass spectrometric methods.92 A glow discharge ion source combined with a mass spectrometer has supplanted the spark ion source over many decades as the predominant ionization technique of mass spectrometry for determining trace and ultratrace element concentrations in various types of... 

Spark ion source in spark plasma by e impact plasma 50 000 ne 1 018-1019 crrr3 M+ high < 1( 4 Pa double-focusing SFMS (Mattauch-Herzog) traces, high-purity materials, geology... 

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