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 (230 V, 50/60 Hz), Basic equipment, 8000709 [UE5020150-230], Atomic shells](/imagelibrary/UE5020150-230/UE5020150-230_01_Experiment-Line-Spectra-230-V-5060-Hz-Basic-equipment.jpg)
![Experiment: Line Spectra (230 V, 50/60 Hz), Basic equipment, 8000709 [UE5020150-230], Atomic shells](/thumblibrary/UE5020150-230/UE5020150-230_01_1200_1200_Experiment-Line-Spectra-230-V-5060-Hz-Basic-equipment.jpg)
![Experiment: Line Spectra, Supplement, 8000710 [UE5020150S], Atomic shells](/thumblibrary/UE5020150S/UE5020150S_01_140_140_Experiment-Line-Spectra-Supplement.jpg)
![Digital Spectrometer HD, 1018104 [U22029], Spectrophotometer](/thumblibrary/U22029/U22029_01_140_140_Digital-Spectrometer-HD.jpg)
![Barrel Foot, 1 kg, 1002834 [U13265], Bases](/thumblibrary/U13265/U13265_01_140_140_Barrel-Foot-1-kg.jpg)
![Control Unit for Spectrum Lamps (230 V, 50/60 Hz), 1021409 [U219051-230], Spectrum Tubes and Spectrum Lamps](/thumblibrary/U219051-230/U219051-230_01_140_140_Control-Unit-for-Spectrum-Lamps-230-V-5060-Hz.jpg)
![Spectral Lamp Na, 1003541 [U8476840], Spectrum Tubes and Spectrum Lamps](/thumblibrary/U8476840/U8476840_01_140_140_Spectral-Lamp-Na.jpg)
![Spectral Lamp Hg 100, 1003545 [U8476870], Spectrum Tubes and Spectrum Lamps](/thumblibrary/U8476870/U8476870_01_140_140_Spectral-Lamp-Hg-100.jpg)
![Spectral Lamp Hg/Cd, 1003546 [U8476875], Spectrum Tubes and Spectrum Lamps](/thumblibrary/U8476875/U8476875_01_140_140_Spectral-Lamp-HgCd.jpg)
![Lamp Housing on a Stand Rod, 1003197 [U21906], Spectrum Tubes and Spectrum Lamps](/thumblibrary/U21906/U21906_01_140_140_Lamp-Housing-on-a-Stand-Rod.jpg)
![Set of 100 Cuvette Cells, 4 ml, 1018106 [U101601], Spectrophotometer](/thumblibrary/U101601/U101601_01_140_140_Set-of-100-Cuvette-Cells-4-ml.jpg)
![Interferometer, 1002651 [U10350], Interferometer](/thumblibrary/U10350/U10350_01_140_140_Interferometer.jpg)
![Pocket Spectroscope, 1003078 [U19500], Spectrum Tubes and Spectrum Lamps](/thumblibrary/U19500/U19500_01_140_140_Pocket-Spectroscope.jpg)
![Spectroscope in Metal Case, 1003184 [U21877], Spectrophotometer](/thumblibrary/U21877/U21877_01_140_140_Spectroscope-in-Metal-Case.jpg)
![Interference Filters, 546 nm, 1008670 [U22019], Optical Components on Stem](/thumblibrary/U22019/U22019_01_140_140_Interference-Filters-546-nm.jpg)
![Digital Spectrometer LD, 1018103 [U22028], Spectrophotometer](/thumblibrary/U22028/U22028_01_140_140_Digital-Spectrometer-LD.jpg)
![Digital Spectrometer LD with Absorption Chamber, 1019196 [U22031], Spectrophotometer](/thumblibrary/U22031/U22031_01_140_140_Digital-Spectrometer-LD-with-Absorption-Chamber.jpg)