Elemental Analysis

The process in which a sample is analyzed for its elemental and sometimes isotopic composition is called elemental analysis. Like many other analytical techniques, elemental analysis can be qualitative (determining the elements present) and can be quantitative (determining the amount of each element present, i.e. determining the percentage of atoms or the mass percentage of each element present). Analysis offers various instruments for elementary analysis: inductively coupled plasma mass spectrometers (ICP-MS) and inductively coupled plasma optical emission spectrometers (ICP-OES), optical emission spectrometers (OES), X-ray fluorescence (XRF), diffraction XRD), X - ray photoelectron spectroscopy (XPS), elemental analyzers for the analysis of carbon, hydrogen, nitrogen, sulfur and oxygen (CHNS / O). These instruments are used in analytical laboratories in various fields such as food, metallurgy, mining, geology and geochemistry, petroleum, polymers, glass and ceramics, semiconductors, paints and chemicals, forensic research and the environment.

Optical Emission Spectrometry (OES)

Optical emission spectrometry (OES) Arc/Spark excitation enable performing rapid elemental analysis of solid metallic samples. This technique meets the most demanding analysis needs of the metals industry, ranging from production control...

Inductively Coupled Plasma-Optical Emission Spectrometry (ICP-OES)

The Thermo Scientific iCAP PRO Series ICP-OES combines powerful multi-element capability with flexibility, in order to make the lab ready for any challenge. The iCAP PRO Series produce consistent, reliable data quickly and easily. These ...

Inductively Coupled Plasma Mass Spectroscopy (ICP-MS)

Thermo Scientific's innovative ICP-MS solutions are designed to meet the needs of any lab, from high-throughput and routine to cutting-edge research facilities. With advanced performance for reliable and accurate data generation and simp...

Organic Elemental Analysis (OEA)

Experience ultimate simplicity, precision, and cost effectiveness for the quantification of carbon, hydrogen, nitrogen, sulfur, and oxygen (CHNS/O). Providing a fast, reliable, and accurate 24/7 analytical solution to a range of industri...

Glow Discharge Mass Spectrometry (GD-MS)

Glow Discharge Mass Spectrometry (GD-MS) is the ultimate tool for direct analysis of high-purity solid materials, as well as semiconductors, and ceramic powders such as Al2O3 or SiC. Depth profiling applications range from nanometer to 1...

X-Ray Fluorescence (XRF)

Achieve rapid material characterization and analysis in order to ensure product chemistry specifications are met. X-Ray Fluorescence (XRF) technology is the gold-standard for accurate, nondestructive elemental analysis in a wide range of...

X-Ray Diffraction (XRD)

X-ray diffraction (XRD) is a versatile and nondestructive analytical technique that helps you quickly obtain detailed phase and structural information of your crystalline materials. XRD analysis provides high-performance results in a wid...

X-ray Photoelectron Spectroscopy (XPS)

XPS spectrometers are used for the advanced surface analysis of materials. As the demand for high-performance and more complex materials increases, so does the importance of surface engineering. The surface of material is the point of in...

Elemental Analysis Software

An intuitive, user-friendly platform software, designed to simplify workflows and maximize efficiency - a common software solution that enables easy rotation of lab technicians.

Sample Preparation Equipment for Elemental Analysis

Samples need to be representative, homogeneous and suitable for the analytical method of interest. Adequate sample preparation means improved precision and accuracy, shortened analysis time and lower costs. Hence, sample preparation is a...

Elemental Analysis Applications

Thermo Scientific OES, XRF, XRD, XPS, ICP instruments meet the needs of any analytical laboratory in mining, metallurgy, geology and geochemistry, petroleum, polymers, glass and ceramics, semiconductors, paints and chemicals, f...

FAQ: Elemental Analysis

Do I need a UV-Vis spectrophotometer, or is a VIS-only instrument sufficient?

The choice depends on the application and the nature of the analyte. If analyses are based on organic molecules, nucleic acids, proteins, or pharmaceutical substances, the UV range (190-380 nm) is required. For colorimetric analyses, quality control, water, and food samples, the VIS range (380-900 nm) is often sufficient.

How important is spectral slit width, and how does it affect analytical results?

Spectral slit width directly affects spectral resolution and measurement accuracy. A narrower slit (e.g. ≤1 nm) allows better separation of closely spaced absorption maxima and more precise quantitative analyses, but with lower signal intensity. A wider slit is acceptable for routine analyses where high resolution is not critical.

Which parameters determine the precision and repeatability of UV-Vis measurements?

Key parameters include wavelength accuracy, photometric accuracy, light source stability, and detector quality. For validated methods and regulated laboratories, low noise, minimal drift, and overall instrument stability are essential.

How important is software when selecting a UV-Vis spectrophotometer?

Software plays a crucial role in the flexibility of the instrument. Advanced software packages enable method development and validation, automatic calculations (concentration, kinetics, scanning, multi-wavelength analysis), and operation in accordance with standard protocols. Different software levels often determine whether an instrument is intended for routine quality control or research applications, and whether it meets basic pharmaceutical industry requirements such as 21 CFR Part 11 compliance.

Which applications and methods should be considered before selecting an instrument?

Before selection, it is necessary to define whether the instrument will be used for quantitative analysis, reaction kinetics, spectral scanning, DNA/protein analysis, or colorimetry. The instrument and software should support the relevant methods without the need for additional manual calculations, thereby reducing the risk of errors and increasing work efficiency.

Is a single-beam or double-beam spectrophotometer required?

Single-beam systems are suitable for routine and rapid analyses. Double-beam instruments offer greater stability and compensation for light source fluctuations, which is important for long-term measurements and high-precision analyses.

How important is the possibility of system upgrades and customization?

Instrument modularity allows future upgrades such as software enhancements, temperature-controlled accessories, autosamplers, or application-specific modules. This is important for laboratories planning to expand their range of applications without replacing the core instrument.

What sample forms are supported for laboratory XRF analysis?

With XRF you can analyze solids, liquids, loose powders, pressed pellets, and fusion beads.

Is sample preparation required for XRF analysis?

There is an option to analyze direct sample especially when it is unknown sample without preparation (example during mapping or small spot analysis). Laboratory-grade quantitative results often require grinding or pelletizing to ensure sample homogeneity or prep as fusion beads to get the best homogeneity.

Can unknown materials be analyzed with XRF?

Yes, this is a standard requirement for many applications (geological, air filter, etc.). We offer packages like UniQuant as the best solution for standard-less analysis of conductive and non-conductive unknown materials.