LA-ICP-MS (Laser Ablation ICP-MS) Testing for Solid Sample Analysis
Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) uses a focused laser beam to ablate the sample surface, with the ablated particles carried to an Inductively Coupled Plasma (ICP) source for ionization, followed by Mass spectrometry. This test is offered by Infinita Lab, USA, to clients in the USA and across the world through its vast laboratory network.
TRUSTED BY
- Overview
- Scope, Applications, and Benefits
- Test Process
- Specifications
- Instrumentation
- Results and Deliverables
LA-ICP-MS Overview
Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) is an advanced microanalytical technique used for elemental and isotopic analysis of solid materials. It combines laser ablation sampling with plasma ionization and mass spectrometric detection to provide highly sensitive, spatially resolved compositional data from microscopic regions of a sample.
This technique is widely used to analyze trace elements in geological, metallurgical, biological, and semiconductor materials. By vaporizing a small portion of the sample using a focused laser beam and transporting it into an inductively coupled plasma, LA-ICP-MS enables precise multi-element detection, elemental mapping, and depth profiling with extremely low detection limits.
Scope, Applications, and Benefits
Scope
LA-ICP-MS is used for direct solid sample analysis to determine trace, minor, and major elemental composition with high spatial resolution. It is suitable for heterogeneous materials where localized chemical information is required.
- Applicable to geological, environmental, biological, and industrial materials
- Used for solid, semi-solid, and micro-structured samples
- Enables trace element and isotope ratio analysis
- Provides spatially resolved elemental distribution mapping
- Supports depth profiling of layered materials
- Used for contamination and impurity detection studies
- Suitable for micro-scale and nano-scale analytical investigations
- Widely used in research, forensics, and materials characterization
Applications
- Geological mineral and rock composition analysis
- Semiconductor contamination and dopant profiling
- Biomedical tissue and trace element studies
- Metallurgical impurity and alloy characterization
- Forensic material identification and source tracing
Benefits
- Extremely low detection limits for trace elements
- High spatial resolution elemental mapping capability
- Minimal sample preparation required
- Enables multi-element and isotope analysis simultaneously
- Suitable for heterogeneous and complex materials
LA-ICP-MS Process
Sample Preparation
Solid sample is cleaned, mounted, and positioned for laser ablation analysis.
1Laser Ablation
Focused laser beam removes micro-scale material from the sample surface.
2Ionization and Transport
Ablated material is carried into inductively coupled plasma and ionized.
3Mass Spectrometry Detection
Ions are analyzed by mass spectrometer to determine elemental and isotopic composition.
4LA-ICP-MS Technical Specifications
| Parameter | Details |
|---|---|
| Method | Laser ablation coupled with inductively coupled plasma mass spectrometry |
| Measurement Type | Trace element and isotope ratio analysis |
| Sample Type | Solid geological, biological, metallic, and semiconductor materials |
| Loading Type | Laser-induced material ablation and ionization |
| Measurement Basis | Mass-to-charge ratio detection of ionized species |
| Units | ppm, ppb, cps (counts per second), isotope ratios |
| Spatial Resolution | Micrometer-scale analysis capability |
| Analysis Mode | Spot analysis, line scan, and elemental mapping |
Instrumentation Used for Testing
- Laser ablation system (excimer or femtosecond laser)
- Inductively coupled plasma source (ICP torch)
- Mass spectrometer (quadrupole, sector field, or TOF)
- Sample chamber with precision stage
- Data acquisition and elemental analysis software
Results and Deliverables
- Multi-element concentration profiles
- Isotope ratio analysis reports
- Spatial elemental distribution maps
- Depth profiling of layered materials
- Comprehensive geochemical or material characterization report
Partnering with Infinita Lab for Optimal Results
Infinita Lab addresses the most frustrating pain points in the LA-ICP-MS testing process: complexity, coordination, and confidentiality. Our platform is built for secure, simplified support, allowing engineering and R&D teams to focus on what matters most: innovation. From kickoff to final report, we orchestrate every detail—fast, seamlessly, and behind the scenes.
Looking for a trusted partner to achieve your research goals? Schedule a meeting with us, send us a request, or call us at (888) 878-3090 to learn more about our services and how we can support you. Request a Quote
Frequently Asked Questions
Laser Ablation Inductively Coupled Plasma Mass Spectrometry offers micro-scale analysis to determine elemental and stable isotopes of solid samples.
LA-ICP-MS starts by directing a focused laser beam onto the sample surface. The beam ablates the material into fine particles, which are then carried to the ICP-MS system, where they undergo ionization and excitation for further analysis.
LA-ICP-MS is employed to analyze the surfaces of solid materials across various fields such as chemistry, biology, materials science, geology, and forensics. This technique effectively studies solid samples like crystals, metals, geological specimens, and biological materials.
Recent advancements in LA-ICP-MS include using femtosecond laser pulses for ablation, which reduces sample damage and improves sensitivity. These advancements have enhanced the technique's ability to analyze complex and delicate samples more precisely.
Unlike bulk analytical methods, LA-ICP-MS provides spatially resolved elemental analysis with extremely low detection limits. It can analyze microscopic regions without extensive sample preparation, making it highly versatile and precise.
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