Absorption spectrum of solids and liquids

a) Spectrometer

Scale: 6" diameter (Brass)
Base: Cast iron with levelling 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
Centre Table: Height adjustable with provision for prism and grating holder
Telescope with user changeable cross wire and eyepiece

b) Diffraction grating

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

c) White light source

Incandescent light source giving continuous spectrum

d) Tube for liquid samples

Cylindrical tube having wide mouth opening with leak free silicone cork

e) 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