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  2. X-ray fluorescence - Wikipedia

    en.wikipedia.org/wiki/X-ray_fluorescence

    A Philips PW1606 X-ray fluorescence spectrometer with automated sample feed in a cement plant quality control laboratory XRF scanning of the Rembrandt-painting Syndics of the Drapers' Guild. A Helmut Fischer(company) X-ray fluorescence spectrometer which are used to check for metals coating thickness and any of potential contamination of ...

  3. Karatmeter - Wikipedia

    en.wikipedia.org/wiki/Karatmeter

    X-Ray based karat testing machine for gold purity testing. The Karatmeter is a scientific instrument which uses X-rays to give an exact reading of the purity of gold.The Karatmeter is also referred to as a X-Ray fluorescence (XRF) spectrometer.

  4. X-ray spectroscopy - Wikipedia

    en.wikipedia.org/wiki/X-ray_spectroscopy

    To maintain detector integrity and resolution it should be cooled with liquid nitrogen or by Peltier cooling. EDS is widely employed in electron microscopes (where imaging rather than spectroscopy is a main task) and in cheaper and/or portable XRF units. [citation needed] Bragg X-ray Spectrometer

  5. Monochromatic wavelength dispersive x-ray fluorescence

    en.wikipedia.org/wiki/Monochromatic_wavelength...

    The key difference is that MWD XRF uses a doubly curved crystal X-ray optic between the X-ray source and the sample resulting in monochromatic excitation. [ 1 ] [ 2 ] This additional optic creates a high-intensity X-ray beam on a small spot size without increasing the power of the X-ray source.

  6. Miniature mass spectrometer - Wikipedia

    en.wikipedia.org/wiki/Miniature_mass_spectrometer

    A miniature mass spectrometer (MMS) is a type of mass spectrometer (MS) which has small size and weight and can be understood as a portable or handheld device. What it means to be portable and a set of criteria by which portable and miniature mass spectrometers can be assessed have been discussed in detail. [ 1 ]

  7. Wavelength-dispersive X-ray spectroscopy - Wikipedia

    en.wikipedia.org/wiki/Wavelength-dispersive_X...

    Wavelength-dispersive X-ray spectroscopy (WDXS or WDS) is a non-destructive analysis technique used to obtain elemental information about a range of materials by measuring characteristic x-rays within a small wavelength range.

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