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Photocolorimeter calibration features

Igor Zakharov,Olesia Botsiura, Anastasiia Pakhomova

2021 XXXI International Scientific Symposium Metrology and Metrology Assurance (MMA)（2021）

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Abstract
The paper considers the procedure of photocolorimeter calibration using the example of measuring the mass concentration of total iron in water. The color intensity of the solution, proportional to the mass concentration of iron, is measured using a photocolorimeter at a wavelength of 400–430 nm. The main steps of photocolorimeter calibration are: preparation of calibration solutions; measuring the...
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Key words
Uncertainty,Wavelength measurement,Measurement uncertainty,Color,Metrology,Iron,Calibration
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