part 2.0

part 2.0
16問 • 2年前
  • Butter 張國榮
  • 通報

    問題一覧

  • 1

    Why do we have Atomic Spectroscopy?

    Minerals - Elements have distinct absorption lights

  • 2

    Elements have a distinct absorption spectral lines

    atomic spectra

  • 3

    How atomic spectroscopy differs in UV-VIS spectriscopy

    how the instrumetn determines the analyte

  • 4

    the most selective anaytical method

    Atomic Spectroscopy

  • 5

    Quantification of Atomic Spectrsocopy follows Beer-Lambert's Law

    True

  • 6

    Atomic Spectroscopy

    absorption, emission

  • 7

    In Atomic Spectroscopy, sample are vapoized at _______-_______ K to allow decomposition to atoms

    2000 - 8000

  • 8

    Instrumentation of Atomic Spectroscopy

    Light Source, Atomizer - Sample Cell, Monochromator, Detector, Readout

  • 9

    light source in atomic spectroscopy

    hollow cathode filled with NE/Ar gas lamp

  • 10

    most common instrument in atomization

    Non-flame atomizers

  • 11

    non-flame atomizers use

    graphite heated furnace

  • 12

    sample is bombarded with monochromatic light, extent of energy absorption is measured

    Atominc Absorption Spectroscopy (AAS)

  • 13

    atomized analyte absorbs ebergy and emits radiation upon relaxation; extent of emitted energy is measured

    Atomic Emission Spectroscopy (AES)

  • 14

    AES: monochromatic light ; AAS: __________

    flame

  • 15

    AES: flame ; AAS: _____________

    monochromatic

  • 16

    most common light source AAS

    Hollow Cathode Lamp

  • Basic Nutrition I

    Basic Nutrition I

    Butter 張國榮 · 94問 · 2年前

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    Butter 張國榮 · 65問 · 2年前

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    Butter 張國榮 · 48問 · 2年前

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    50問 • 2年前
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    12問 • 2年前
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    問題一覧

  • 1

    Why do we have Atomic Spectroscopy?

    Minerals - Elements have distinct absorption lights

  • 2

    Elements have a distinct absorption spectral lines

    atomic spectra

  • 3

    How atomic spectroscopy differs in UV-VIS spectriscopy

    how the instrumetn determines the analyte

  • 4

    the most selective anaytical method

    Atomic Spectroscopy

  • 5

    Quantification of Atomic Spectrsocopy follows Beer-Lambert's Law

    True

  • 6

    Atomic Spectroscopy

    absorption, emission

  • 7

    In Atomic Spectroscopy, sample are vapoized at _______-_______ K to allow decomposition to atoms

    2000 - 8000

  • 8

    Instrumentation of Atomic Spectroscopy

    Light Source, Atomizer - Sample Cell, Monochromator, Detector, Readout

  • 9

    light source in atomic spectroscopy

    hollow cathode filled with NE/Ar gas lamp

  • 10

    most common instrument in atomization

    Non-flame atomizers

  • 11

    non-flame atomizers use

    graphite heated furnace

  • 12

    sample is bombarded with monochromatic light, extent of energy absorption is measured

    Atominc Absorption Spectroscopy (AAS)

  • 13

    atomized analyte absorbs ebergy and emits radiation upon relaxation; extent of emitted energy is measured

    Atomic Emission Spectroscopy (AES)

  • 14

    AES: monochromatic light ; AAS: __________

    flame

  • 15

    AES: flame ; AAS: _____________

    monochromatic

  • 16

    most common light source AAS

    Hollow Cathode Lamp