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The textile pigments are widely used in the processing of textile products such as dyeing and printing. It is essential for the manufacturers of the textile products to ensure that the final products have the best appearance. For this, the manufacturers of the pigments need to ensure that each and every component of the pigment is used in right quantity and concentration. The concentration of the ingredients in the pigments is so critical that even a difference in concentration at the micro level can deviate the final shade of the pigment to another level.
Spectrophotometers can help
The portable spectrophotometers can be used for testing the concentration of the ingredients in the pigments being tested. The instrument uses different wavelengths of the electromagnetic spectrum including visible light, UV spectrum, and Infrared light for testing the specification. The test results that are obtained from the spectrophotometers rely on the geometry used for testing.
There are several different geometries of measurements that are used by the spectrophotometers to analyze the different attributes of the pigments. The different geometries that are used for testing include 450 geometry, 00 geometry, D/8 geometry, and multi-angle geometry.
How spectrophotometry is done
The spectrophotometry is done by passing a spectrum of wavelength to the test specimen. When the wavelength is passed through the specimen, there is an amount of wavelength that is absorbed by the specimen, and then there is an amount of wavelength that is transmitted by the specimen. On the other side of the test specimen, a detector is placed. This detector helps in determining the amount of wavelength transmitted and absorbed by the specimen. This help in the analysis of the concentration of the ingredients presents in the instruments.
With accurate spectrophotometry, the manufacturers of textile pigments can easily ensure the best accuracy of colors of the pigments along with the best quality.
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