The principle of UV-spectrophotometer is based on the absorption of ultraviolet (UV) light by molecules.

• UV-spectrophotometer measures the absorbance of UV light by a sample.

• The absorbance is directly ...read more

UV also define refer from bear lambert low

UV is also

A=log10(I○/I)

Where , I○ is intensity of incident radiation

I is intencity of transmitted radiation

Here is a principle of UV spectrophotometer.

"When a beam of monochromatic light is passes through the homogeneous absorbing medium, the rate of decrease in intensity of light is directly proportional to the concentration and path length of the cell."

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