Objective: Carry out high-precision measurements of absorption and emission lines
The resolution of a spectrometer is often assessed in terms of whether the two sodium D-lines can be distinguished. This experiment uses a digital spectrometer with the resolution to do this.
![Experiment: Line Spectra, Supplement, 8000710 [UE5020150S], Atomic shells](/imagelibrary/UE5020150S/UE5020150S_01_Experiment-Line-Spectra-Supplement.jpg)
![Experiment: Line Spectra, Supplement, 8000710 [UE5020150S], Atomic shells](/thumblibrary/UE5020150S/UE5020150S_01_1200_1200_Experiment-Line-Spectra-Supplement.jpg)
![Experiment: Line Spectra (230 V, 50/60 Hz), Basic equipment, 8000709 [UE5020150-230], Atomic shells](/thumblibrary/UE5020150-230/UE5020150-230_01_140_140_Experiment-Line-Spectra-230-V-5060-Hz-Basic-equipment.jpg)
![Digital Spectrometer HD, 1018104 [U22029], 分光光度计](/thumblibrary/U22029/U22029_01_140_140_Digital-Spectrometer-HD.jpg)
![圆筒支脚, 1002834 [U13265], 基底](/thumblibrary/U13265/U13265_01_140_140_圆筒支脚.jpg)
![用于光谱灯的控制组件（230V，50/60 Hz）, 1021409 [U219051-230], 光谱管和灯](/thumblibrary/U219051-230/U219051-230_01_140_140_用于光谱灯的控制组件-230V-5060-Hz.jpg)
![Spectral Lamp Na, 1003541 [U8476840], 光谱管和灯](/thumblibrary/U8476840/U8476840_01_140_140_Spectral-Lamp-Na.jpg)
![Spectral Lamp Hg 100, 1003545 [U8476870], 光谱管和灯](/thumblibrary/U8476870/U8476870_01_140_140_Spectral-Lamp-Hg-100.jpg)
![Spectral Lamp Hg/Cd, 1003546 [U8476875], 光谱管和灯](/thumblibrary/U8476875/U8476875_01_140_140_Spectral-Lamp-HgCd.jpg)
![Set of 100 Cuvette Cells, 4 ml, 1018106 [U101601], 分光光度计](/thumblibrary/U101601/U101601_01_140_140_Set-of-100-Cuvette-Cells-4-ml.jpg)
![干涉仪, 1002651 [U10350], 干涉计](/thumblibrary/U10350/U10350_01_140_140_干涉仪.jpg)
![小型分光镜, 1003078 [U19500], 光谱管和灯](/thumblibrary/U19500/U19500_01_140_140_小型分光镜.jpg)
![分光器, 1003184 [U21877], 分光光度计](/thumblibrary/U21877/U21877_01_140_140_分光器.jpg)
![Digital Spectrometer LD, 1018103 [U22028], 分光光度计](/thumblibrary/U22028/U22028_01_140_140_Digital-Spectrometer-LD.jpg)
![Digital Spectrometer LD with Absorption Chamber, 1019196 [U22031], 分光光度计](/thumblibrary/U22031/U22031_01_140_140_Digital-Spectrometer-LD-with-Absorption-Chamber.jpg)