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Spectroscopy


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Hydrogen Spectra
Balmer Series Apparatus
Model: HO-ED-S-03B
Price : $ 2,658.00

Holmarc introduces yet another product ‘Hydrogen Spectra-Balmer Series Appartus’ for the benefit of students in spectroscopy. It is specially designed for the determination of wavelengths of Balmer series from hydrogen emission spectra and to find the Rydberg constant. This apparatus comprises of high performance CCD Spectrometer, Mercury lamp with power supply and Hydrogen Spectrum Discharge Tube coupled with a High Voltage Transformer. Spectrometer utilizes Constant Deviation Pellin Broca Prism for spectral dispersion and is compatible with USB 2.0 interface. The better sensitivity of the CCD makes this spectrometer suitable for applications with lower light signals as well. The software developed for this instrument has facilities for capturing single or continuous spectra, custom wavelength calibration, dark subtraction and intensity comparison, simultaneous display of overlay multiple spectra, exporting data to Microsoft excel, automatically timed spectrum saving etc.

Experiment

    Calibration of the spectrometer using mercury lines

    To calculate and verify Hartmann's constants

    To study the emission of light from a hydrogen discharge source

    To learn the empirical formulas to characterize the pattern of spectral lines from hydrogen

Mercury lamp is used as the standard element to find the unknown wavelengths of hydrogen. Later using the hydrogen spectrum and the energy level quantum number; Rydberg constant can be determined. High Voltage Transformer is supplied with Hydrogen Spectrum Discharge Tube. The discharging action is controlled by a variable knob and can be adjusted to get optimum performance of Hydrogen.



    Wavelength (nm)     Color
    656.2     Red
    486.1     Blue
    434.0     Blue-violet
    410.1     Violet
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Established in 1993, Holmarc Opto-Mechatronics Ltd manufactures variety of scientific and engineering instruments for research, industry and education.

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