For determination of change in refractive index in liquid and gases of the order of 10-8.
ESSENTIAL ACCESSORIES
(i) Plane-parallel optical glass cell with mechanical mount.
(ii) Pair of gas cell with plane-parallel windows.
(iii) Manometer with mini vaccum pump.
(iv) Sodium Lamp with transformer and choke.
For RI of Liquids & Gases to the order of 10
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