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technology > instrumentation > analysis > photometry

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What is Photometry?

Light absorption

Light absorption

Irradiated
light intensity I₀

Received
light intensity I₀

Absorption

Absorption spectrum

Absorption spectrum

Intensity

Absorption

light, color
wavelength

Light color,
wavelenght

What is Photometry 3?

Concentration - Layer thickness - Materials constant

Concentration

Layer thickness

Extinction coefficient

Absorption

Concentration

Base correction

Base correction

Absorption

Abs_Substance

Abs_Measurement

Abs_Reference

Abs_Measurement

Abs_Reference

Wavelength

Photometer Construction Standard Cell

Photometer Construction Standard Cell

Reference LED

Measuring LED

Heating

Receiver

Glass cell

For more information: Endress+Hauser GmbH

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