Inductively Coupled Plasma Optical Emission spectroscopy (ICP-OES) is an analytical technique used to determine how much of certain elements are in a sample. The ICP-OES principle uses the fact that atoms and ions can absorb energy to move electrons from the ground state to an excited state. In ICP-OES, the source of that energy is heat from an argon plasma that operates at 10,000 kelvin. 

The ICP-OES principle relies on those excited atoms releasing light at specific wavelengths as they transition to a lower energy level.

As an electron returns from a higher energy level to a lower energy level, usually the ground state, it emits light of a very specific wavelength. The type of atom or ion (i.e, which element it is), and the energy levels the electron is moving between, determines the wavelength of the emitted light.

The amount of light released at each wavelength is proportional to the number of atoms or ions making the transition.

iCAP PRO X Duo ICP-OES has a  direct system control via included ICP-OES software. The iCAP PRO X ICP-OES delivers robust, uncomplicated trace elemental analysis with fast start-up, easy-to-use software and advanced accessory control, providing multi- element detection technology.

Complete ICP-OES system to include:

  • True simultaneous iCAP PRO Series ICP-OES spectrometer covering the whole wavelength range in one single acquisition, with vertical torch orientation for ultimate robustness for both, radial and duo instruments
  • Standard aqueous sample introduction kit with a glass concentric nebulizer, glass cyclonic spray chamber, demountable quartz torch supplied with a 2.0 mm diameter bore center tube and an improved torch and injector holder as well as setup blank and multi element test solution


  • One simultaneous measurement with full wavelength coverage from 167 to 847 nm
  • Solid state 27.12 MHz RF generator as power source to the plasma with optimized RF settings for aqueous and organic samples
  • Thermostatically controlled Echelle polychromator for ultra-stable analyses with the option to use Ar or N2 as purge gas
  • CID camera cooled down to -45 degrees Celsius for low background noise
  • Fully interlocked torchbox with safety viewing window and sliding door to contain plasma with a unique exchangeable inner torch box to prevent corrosion
  • 3-channel peristaltic pump for stable sample introduction with optimized pump speed settings for aqueous and organic samples
  • Ease-of-use torch design for simplified maintenance and installation as well as reliable positioning of the torch for repoducible results
  • Gas flow control of auxiliary, nebulizer and cool gas via 3 independent mass flow controllers with optimized nebulizer and auxiliary gas flows for aqueous and organic samples
  • Ensuring operator and instrument safety through full interlock control of gas and water flow, exhaust, polychromator and camera temperature
  • Interlocked drain sensor allows for safe, unattended analysis, prevents spillage and saves sample in case of interruptions in the sample introduction
  • Gas saving standby mode
  • Fast warm-up mode
  • Power requirements: 200-240 V, 50-60 Hz, single phase, 16 A (Europe), 20 A (North America, Japan)


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