Inductively Coupled Plasma Mass Spectrometry (ICP-MS): Method, Applications & [FP]-LIMS

What is inductively coupled plasma mass spectrometry (ICP-MS)?

Inductively coupled plasma mass spectrometry (ICP-MS) is a very specialized type of analysis. The method is highly robust and at the same time extremely sensitive, and is widely used in inorganic elemental analysis. There, it is used above all for the trace analysis of heavy metals such as lead, cadmium or mercury.

How ICP-MS works

During ICP-MS, the analyte is first atomized. The basic principle in three steps:

1. 1
   Ionization in the plasma A high-frequency current induces ionized argon and heats the sample to 5,000–10,000 °C. The atoms are ionized and a plasma forms.
2. 2
   Acceleration to the analyzer The ions generated in the plasma are accelerated by an electric field toward the analyzer.
3. 3
   Separation & measurement The individual elements and their isotopes are separated and recorded.

Detection power and coupling options

With ICP-MS, quantitative detection in the range of nanograms per liter (ng/l) or better can be achieved for most elements of the periodic table – over an extremely wide linear range from grams/liter down to picograms/liter. Since not only elements but also their isotopes are recorded, highly precise isotope analysis is possible; high-resolution ICP mass spectrometers are often used for this.

Coupled with separation methods such as high-performance liquid chromatography, gas chromatography, capillary electrophoresis, gel electrophoresis, ion exchange chromatography or field-flow fractionation, ICP-MS can also be used for speciation analysis. By coupling with an electrothermal vaporization furnace or a laser ablation device, solid samples – and near non-destructive analyses, e.g. on historical samples – become possible.

Fields of application for ICP-MS

The focus is on qualitative, quantitative and semi-quantitative elemental analysis. Other typical fields of application:

• Environmental analysis: trace analysis of heavy metals in water, soils and waste.
• Food analysis: authentication and residue determination.
• Geology: age determination of geological samples.
• Bioanalysis: absolute and relative quantification of proteins and biomolecules.
• Forensics & clinical: toxicological and clinical questions.
• Quality assurance: multi-element determinations at the lowest concentrations.

ICP-MS in the LIMS workflow: from measurement to certificate

Especially in labs where several analyses run simultaneously, clarity and structure are decisive. An ICP-MS measurement provides valuable raw data – but it only delivers its full value when the data is reliably captured, checked, archived and evaluated. This is exactly where [FP]-LIMS comes in:

ICP-MS in chemistry & environment: seamless data quality

In chemical and environmental labs, the combination of highly sensitive ICP-MS measurement and a powerful LIMS is particularly valuable. What matters here is not just the individual measurement, but the seamless chain from sample to reliable verification:

• Sample management: samples are captured centrally and tracked throughout the entire analysis process.
• Multi-element evaluation: the large data volume of ICP-MS is structured and evaluated automatically.
• Limit monitoring: heavy-metal limits are checked automatically – important for environmental verification.
• Traceability: every measurement is clearly assigned and documented in an audit-proof way.

Compatible instrument manufacturers

[FP]-LIMS is compatible with a large number of well-known manufacturers. Over the years, this compatibility has been continuously expanded. Compatible instruments include those from Hitachi, Bruker, Spectro / Ametek, Thermo Fisher Scientific, Agilent Technologies, Analytik Jena, Horiba Scientific, Malvern Panalytical, Microtrac, PerkinElmer and ZwickRoell.

Specifically for ICP-MS, we support instruments from the brands Spectro / Ametek, Bruker, Thermo Fisher, PerkinElmer and Analytik Jena.

Frequently asked questions about ICP-MS with [FP]-LIMS