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1,638 Newest Publications about the topic spectrometers

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Multi-step phase-cycling in a free-electron laser-powered pulsed electron paramagnetic resonance spectrometer

12-Jun-2018 | Christopher Blake Wilson; Samuel Aronson; Jessica Ann Clayton; Steffen J Glaser; Songi Han; Mark Sherwin, Physical Chemistry Chemical Physics, 2018

Electron paramagnetic resonance (EPR) is a powerful tool for research in chemistry, biology, physics and materials science, which can benefit significantly from moving to frequencies above 100 GHz. In pulsed EPR spectrometers driven by powerful sub-THz oscillators, such as the free electron laser ...

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Multi-spectrometer calibration transfer based on independent component analysis

30-May-2018 | Yan Liu; Hao Xu; Zhenzhen Xia; Zhiyong Gong, Analyst, 2018

Calibration transfer is indispensable for practical applications of near infrared (NIR) spectroscopy due to the need for precise and consistent measurements across different spectrometers. In this work, a method for multi-spectrometer calibration transfer is described based on independent ...

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Application of microsecond pulsed glow discharge to modern commercially available optical emission spectrometers for bulk elemental analysis

30-May-2018 | M. Voronov; V. Hoffmann, Journal of Analytical Atomic Spectrometry, 2018

Microsecond Pulsed Glow Discharge (μs-PGD) was applied to commercially available spectrometers specified for OES elemental analysis with Grimm type sources, in order to have a look at the benefits which PGD can bring for practical bulk analysis. Intensities of more than 70 spectral lines of ...

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Multi-element ion-exchange chromatography and high-precision MC-ICP-MS isotope analysis of Mg and Ti from sub-mm-sized meteorite inclusions

28-May-2018 | K. K. Larsen; D. Wielandt; M. Bizzarro, Journal of Analytical Atomic Spectrometry, 2018

The analytical improvement of new generation mass spectrometers has reached a level required for high-precision isotope analysis of very small and unique natural samples. The multi-element isotopic signatures of meteorite inclusions can potentially provide detailed insight into the origin of our ...

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Trace arsenic speciation analysis of bones by high performance liquid chromatography-inductively coupled plasma mass spectrometry

27-May-2018 | Author(s): Huimin Yu, Huan Du, Li Wu, Ruolin Li, Qun Sun, Xiandeng Hou, Microchemical Journal, 2018

Publication date: September 2018 Source:Microchemical Journal, Volume 141 Author(s): Huimin Yu, Huan Du, Li Wu, Ruolin Li, Qun Sun, Xiandeng Hou The speciation analysis of arsenic (As) has always received great attention, in which the analysis of complex matrix samples remains ...

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Multielement trace determination of pure graphite powders using optical emission spectrometry with a magnetically stabilized DC arc and halogenating gases as chemical modifiers - a fast method used to achieve high analytical performance

26-May-2018 | Ralf Matschat; Jürgen Hassler; Silke Richter; Margitta Klewe; Angelika Dette, Journal of Analytical Atomic Spectrometry, 2018

A magnetically stabilized DC arc device, designed for operation with OES spectrometers was used to determine the elements Ag, Al, B, Ba, Be, Ca, Co, Cr, Cu, Fe, Ga, In, K, Li, Mg, Mn, Mo, Na, Nb, Ni, Si, Sn, Sr, Ti, V, Zr at trace levels of some μg kg−1 up to some 10 mg kg−1 in graphite powders. ...

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Materials, Vol. 11, Pages 869: Extreme Ultraviolet to Visible Dispersed Single Photon Detection for Highly Sensitive Sensing of Fundamental Processes in Diverse Samples

23-May-2018 | Hans, Andreas ; Schmidt, Philipp ; Ozga, Christian ; Hartmann, Gregor ; Holzapfel, Xaver ; Ehresmann, Arno ; Knie, André, Materials, 2018

Materials, Vol. 11, Pages 869: Extreme Ultraviolet to Visible Dispersed Single Photon Detection for Highly Sensitive Sensing of Fundamental Processes in Diverse Samples Materials doi: 10.3390/ma11060869 Authors: Andreas Hans Philipp Schmidt Christian Ozga Gregor Hartmann Xaver ...

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Materials, Vol. 11, Pages 869: Extreme Ultraviolet to Visible Dispersed Single Photon Detection for Highly Sensitive Sensing of Fundamental Processes in Diverse Samples

23-May-2018 | Hans, Andreas ; Schmidt, Philipp ; Ozga, Christian ; Hartmann, Gregor ; Holzapfel, Xaver ; Ehresmann, Arno ; Knie, André, Materials, 2018

Materials, Vol. 11, Pages 869: Extreme Ultraviolet to Visible Dispersed Single Photon Detection for Highly Sensitive Sensing of Fundamental Processes in Diverse Samples Materials doi: 10.3390/ma11060869 Authors: Andreas Hans Philipp Schmidt Christian Ozga Gregor Hartmann Xaver ...

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Sensors, Vol. 18, Pages 1252: Improving Color Accuracy of Colorimetric Sensors

18-Apr-2018 | Kirchner, Eric ; Koeckhoven, Pim ; Sivakumar, Keshav, Sensors, 2018

Sensors, Vol. 18, Pages 1252: Improving Color Accuracy of Colorimetric Sensors Sensors doi: 10.3390/s18041252 Authors: Eric Kirchner Pim Koeckhoven Keshav Sivakumar Accurate measurements of reflectance and color require spectrophotometers with prices often exceeding $3000. ...

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Sensors, Vol. 18, Pages 1252: Improving Color Accuracy of Colorimetric Sensors

18-Apr-2018 | Kirchner, Eric ; Koeckhoven, Pim ; Sivakumar, Keshav, Sensors, 2018

Sensors, Vol. 18, Pages 1252: Improving Color Accuracy of Colorimetric Sensors Sensors doi: 10.3390/s18041252 Authors: Eric Kirchner Pim Koeckhoven Keshav Sivakumar Accurate measurements of reflectance and color require spectrophotometers with prices often exceeding $3000. ...

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