Critical comparison between quadrupole and time-of-flight inductively coupled plasma mass spectrometers for isotope ratio measurements in elemental speciation

2002 ◽  
Vol 17 (8) ◽  
pp. 950-957 ◽  
Author(s):  
Marta Vázquez Peláez ◽  
José M. Costa-Fernández ◽  
Alfredo Sanz-Medel
Keyword(s):  
Inductively Coupled Plasma ◽  
Isotope Ratio ◽  
Time Of Flight ◽  
Elemental Speciation ◽  
Mass Spectrometers ◽  
Inductively Coupled ◽  
Critical Comparison ◽  
Isotope Ratio Measurements

scholarly journals The performance of single and multi-collector ICP-MS instruments for fast and reliable34S/32S isotope ratio measurements

2016 ◽  
Vol 8 (42) ◽  
pp. 7661-7672 ◽  
Author(s):  
Ondrej Hanousek ◽  
Marion Brunner ◽  
Daniel Pröfrock ◽  
Johanna Irrgeher ◽  
Thomas Prohaska
Keyword(s):  
Inductively Coupled Plasma ◽  
Isotope Ratio ◽  
Mass Spectrometers ◽  
Inductively Coupled ◽  
Icp Ms ◽  
Technical Principles ◽  
Isotope Ratio Measurements ◽  
S Isotope

The performance and validation characteristics of different single collector inductively coupled plasma mass spectrometers based on different technical principles (ICP-SFMS, ICP-QMS in reaction and collision modes, and ICP-MS/MS) were evaluated in comparison to the performance of MC ICP-MS for fast and reliable S isotope ratio measurements.

6. Measuring isotopes

2016 ◽  
Author(s):  
Rob Ellam
Keyword(s):  
Inductively Coupled Plasma ◽  
Isotope Ratio ◽  
Ion Source ◽  
Routine Laboratory ◽  
Mass Filter ◽  
Mass Spectrometers ◽  
Inductively Coupled ◽  
Gas Source ◽  
Essential Components ◽  
Secondary Ion

Mass spectrometers have become routine laboratory instruments in many disciplines. ‘Measuring isotopes: mass spectrometers’ concentrates on those used to quantify the abundance of different isotopes—gas source isotope ratio, thermal ionization, inductively coupled plasma, and secondary ion mass spectrometers. A mass spectrometer can be used to quantify the concentration of a particular element by monitoring an isotope of that element not overlapped by isotopes of other elements. All mass spectrometers have three essential components: an ion source, a mass filter, and a detector. There are two main types of detector: Faraday detectors measure large signals and a variant of photomultiplier tubes measures small isotope signals.

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