Types of instruments in UV-VISIBLE spectroscopy

1. TYPES OF INSTRUMENTS
UV-VISIBLE SPECTROSCOPY
PRESENTED BY
THUSHARA MOHAN,
M PHARM, GRACE COLLEGE

2. 1.Single beam UV-Visible
spectrophotometer
2.Double beam UV-Visible
spectrophotometer

3. SINGLE BEAM
SPECTROPHOTOMETER

5. SINGLE BEAM INSTRUMENT
5

6. Source
of light
Filter/
Mono
chromators
Sample
cells
DetectorsRead out device
CONSTRUCTION

7. WORKING

10. DISADVANTAGES
1.Fluctuation
2.Rapid scanning is not possible

11. DOUBLE BEAM
SPECTROPHOTOMETER

13. CONSTRUCTION

14. Source of
light
Filters/
Mono chromators Sample cell
Reference
cell D1
Read out
deviceD2
Beam spliter