Reference: Lab Experiments Journal vol-15, No.2, Page-130

Absorption spectrum of solids and liquids

Experiment(s):

Absorption spectrum of iodine and Potassium Permanganate & determination of dissociation energy and force constant

Specifications

1 . Spectrometer

                    Scale: 7" diameter (Brass)
Base: Cast iron with leveling screw
All moving parts made of brass for accuracy
Collimator with adjustable slit
Horizontal axis alignment for collimator: Yes
Horizontal axis alignment for telescope: Yes
Center Table: Height adjustable with provision for prism and grating holder
Telescope with user changeable cross wire and eyepiece
                  

2 . Diffraction grating

                    Grating constant: 15000 Lines/Inch
Window size: 40 mm x 30 mm
                  

3 . White light source

                    Incandescent light source giving continuous spectrum
Height adjustable stand
                  

4 . Tube for liquid samples

                    Cylindrical tube having wide mouth opening with leak free silicone cork
                  

5 . Tube for gaseous samples

                    Cylindrical tube having wide mouth opening with leak free silicone cork
Heating coil and power supply for iodine sample
Height adjustable stand
                  

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