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  • Using emission spectroscopy to perform impurity analyses in UHP gases
    , but of equal importance was the use of a new technique: emission spectroscopy. When excited in an electric discharge, the gases dissipated some of the energy as electromagnetic radiation at wavelengths that were specific to each gas. The spectral lines were intense enough to be easily observable
  • OH Emission Spectra of Hybrid Rocket Motors Using
    instrumentation will become part of the rocket. motor control system to optimize thrust, fuel efficiency and safety response. To validate OH. radical information gathered from the near-infrared region using diode lasers, studies are. being conducted that measure OH radical emission spectra
  • Raman Spectroscopy
    vibrations specified in wave numbers (1/cm) where: Wavelength (in micrometers) = 10,000 / wave numbers. Raman scattering is a very weak effect. The strength of the Raman emission is typically a million times less than the strength of the illuminating beam. Thus measuring the Raman-scattered radiation
  • Measurement of Lead in Lead-Free Solder by ICP-AES, FAAS and EDX
    Introducing examples of analysis by ICP emission spectroscopy (ICP-AES), flame atomic absorption spectroscopy (FAAS), and energy dispersive X-ray fluorescence spectroscopy (EDX) of lead (Pb) in a lead-free solder sample (candidate standard NMIJ CRM 8202-a) that is used for proficiency testing
  • Detection of hydrocarbon radicals during plasma etching
    Optical emission spectroscopy is used to study and monitor the plasma etching of. hydrogenated amorphous carbon (a-C:H) thin films.
  • Atmospheric Plasma Analysis by Molecular Beam Mass Spectrometry (.pdf)
    The use of atmospheric plasmas is growing in interest due to their advantage in processing materials, mainly organic, which are not suitable for high vacuum. Such discharges are commonly studied by optical emission spectroscopy but, to understand the surface properties of the treated material
  • Measurement of Cesium in Tap Water and Soil by Atomic Absorption Spectrometry
    . Cesium can be analyzed using atomic absorption. spectrometry and ICP emission spectroscopy, which are. therefore effective for researching and evaluating the. various removal technologies. Here, we introduce examples of analysis of cesium in. tap water and soi l us ing the AA-7700 atomi c
  • A study on methane coupling to acetylene under
    are also high. Optical. emission spectroscopy (OES) was adopted for the diagnosis of methane coupling to acetylene under microwave plasma. The excited species (CH, C2, H2, Ha) were detected in the spectra range of 300-750 nm. Based on the products and the excited. species, the reaction mechanism