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What are the sensitive lines of spectral elements?

Release time: 2019-10-21 10:21:00 Click: 1243

Generally refers to the lower excitation potential spectral lines, often atomic lines (dotted arc lines), a few are ion lines (spark lines). The sensitive lines appearing in the spectrum are related to the light source and spectroscopic instrument used and the test conditions.


Each element is excited with a suitable light source and can emit a spectrum to produce characteristic spectral lines. The characteristic spectral lines of each element have a fixed wavelength. In general, these lines are not affected by physical states and chemical elements.

创想仪器元素谱线

Imagination instrument element spectrum


When the content of an element in the sample gradually decreases, the intensity of the element's spectral line in the spectrum will correspondingly weaken, and the number of observable spectral lines will also decrease. When the element content drops to a certain level, most of the spectral lines of the element disappear in the spectrum, leaving only one or a few spectral lines. When the element content is further reduced, these spectral lines finally disappear. These spectral lines should be called the element's last line, and most of the resonance lines belong to the last line.

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hot key words:

Direct Reading Spectrometer

High frequency infrared carbon and sulfur analyzer

Spark direct reading spectrometer

Portable spectrometer

Photoelectric direct reading spectrum analyzer


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