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When it comes to the appearance of products, the most important aspect of appearance is the color of the product. The color contributes a major portion of the appearance and hence it is essential to ensure that the color of the products is of the best quality and level. To ensure that the color of the products is of the best quality and level, a colorimeter is used. The colorimeter is a device that is mainly used in industries and laboratories for analyzing the color quality of the products along with color measurement.
What is Colorimeter?
The colorimeters are highly sensitive devices that can measure the concentration and intensity of a particular color that is used in a product. There are mainly two different types of colorimeters that are used in industries that are color densitometers and color photometers. The color densitometers measure the color density of primary colors in a color combination in a test sample. The color photometers are used for measuring the reflectance of a color as well as the transmission.
Working Principle of Colorimeter
The working of colorimeters is mainly based on the Beer-Lambert’s Law. This law states that the light absorption when passes through a medium are directly proportional to the concentration of the medium. When a colorimeter is used, there is a ray of light with a certain wavelength is directed towards a solution. Before reaching the solution the ray of light passes through a series of different lenses. These lenses are used for navigation of the colored light in the colorimeter. The colorimeter analyzes the reflected light and compares with a predetermined standard. Then a microprocessor installed in the device is used for calculation of the absorbance of the light by the solution. If the absorption of the solution is higher than there will be more light absorbed by the solution and if the concentration of the solution is low then more lights will be transmitted through the solution.
How Colors can be analyzed using Colorimeters?
To analyze the concentration of an unknown sample, there are several specimen prepared from the test sample and then tested using an efficient colorimeter. After analysis, the transmittance and concentration of the tested specimen are plotted on a graph to obtain a graphical representation of the concentration creating a calibration curve. This curve is then compared with the curve of a known sample, and the concentration is measured.
Applications of Colorimeters
The Testronix’s colorimeters can be used for measuring the carol concentration and intensity of a variety of materials such as:
The Testronix colorimeters offer high accuracy of test finding along with a high rate of repeatability which allows the manufacturers to ensure the best color quality and appearance of their products.
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