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How Is Spectroscopy Used?

For elemental and chemical analysis

Spectroscopy is the study of the interaction between matter and electromagnetic radiation. Historically, spectroscopy originated through the study of visible light dispersed according to its wavelength, by a prism or grating. Later the concept was expanded greatly to include any interaction with radiative energy as a function of its wavelength or frequency. Spectroscopic data are often represented by an emission, absorption or Raman spectrum, a plot of the response of interest as a function of wavelength or frequency.

X-ray fluorescence (XRF)

XRF is the emission of characteristic "secondary" (or fluorescent) X-rays from a material that has been excited by bombarding with high-energy X-rays rays. The phenomenon is widely used for elemental analysis and chemical analysis, particularly in the investigation of metals, glass, ceramics, and building materials, and for research in geochemistry, forensic science, archaeology and art objects. Rigaku offer a wide range of EDXRF and WDXRF spectrometers.

Raman

Raman spectroscopy relies on inelastic scattering, or Raman scattering, of monochromatic light, usually from a laser in the visible, near infrared, or near ultraviolet range. The laser light interacts with molecular vibrations, phonons or other excitations in the system, resulting in the energy of the laser photons being shifted up or down. The shift in energy gives information about the vibrational modes in the system. Infrared spectroscopy yields similar, but complementary, information. Rigaku offers a range of handheld Raman spectrometers.

Products | Application notes

Spectroscopy

Rigaku recommends the following products

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Fourth generation handheld 1064 nm Raman analyzer for chemical threat analysis.

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OXIDE-FB-PAK

Pre-calibrated package to quantitatively analyze a wide range of oxides in minerals and geological samples

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GEO-TRACE-PAK

Pre-calibrated package for quantitatively analyzing tracing elements and major oxides in minerals and geological samples

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OIL-MULTI-PAK

Pre-calibrated package for multi-element analysis of lubricants using liquid analysis

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TXRF 3760

TXRF spectrometer for wafer surface contamination for up to 200 mm wafers

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TXRF 310Fab

TXRF spectrometer for wafer surface contamination for up to 300 mm wafers

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TXRF 310Fab-R

Advanced tool for ultratrace elemental contamination analysis

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TXRF-V310

TXRF-VPD spectrometer for wafer surface contamination for up to 300 mm wafers

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ZSX Primus IV

High-power, tube-above, sequential WDXRF spectrometer with ZSX Guidance expert system software

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ZSX Primus III NEXT

Affordable, high-end, tube-above Industrial WDXRF for the analysis of solid samples

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ZSX Primus IV𝒾

High-power, tube-below, sequential WDXRF spectrometer with new ZSX Guidance expert system software

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Supermini200

Benchtop tube below sequential WDXRF spectrometer analyzes O through U in solids, liquids and powders

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Simultix 15

High-throughput, tube-above, multi-channel simultaneous WDXRF spectrometer analyzes Be through U

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ZSX Primus400

WDXRF spectrometer designed to handle very large and/or heavy samples

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Micro-Z ULS

WDXRF ultralow sulfur analyzer for method ASTM D2622

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XES Chimica

X-ray emission spectrometer that enables quantitative analysis of the chemical states of elements

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NEX CG II Series

High-performance indirect excitation EDXRF for complex applications with trace elements and variable base matrices

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NEX DE Series

High-power 60 kV EDXRF systems delivering speed, precision, and small spot measurements

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NEX QC II Series

Compact, intuitive benchtop EDXRF for everyday elemental testing

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CQL Narc-ID

Provides presumptive identification of narcotics, precursor chemicals, and cutting agents

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CQL Gen-ID

A cost-effective solution for departments looking for targeted chemical threat analysis

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CQL Max-ID

Offers features and benefits that maximize chemical threat analysis in safety and security applications

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Progeny

Handheld Raman for raw material identification and finished product authentication using 1064 nm Raman analysis.

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Rigaku Automation Interface

Open Python orchestration interface for seamless integration and safe testing

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LabLinc Studio

Close Your AI discovery loop with LabLinc Studio

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Application notes

The following application notes are relevant to this technique

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