technology > instrumentation > analysis > photometry |
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 |
AbsSubstance |
AbsMeasurement |
AbsReference |
AbsMeasurement |
AbsReference |
Wavelength |
Photometer Construction Standard Cell
Photometer Construction Standard Cell |
Reference LED |
Measuring LED |
Heating |
Receiver |
Glass cell |
For more information: Endress+Hauser GmbH