Why is There a Deviation in the Transmittance Indication of the Colorimeter?
As a common instrument for quantitative analysis of chemical substances, photometers are widely used in scientific research, production, medical treatment, laboratory, and other fields. In order to ensure the accuracy and reliability of the measured values of the instrument, the colorimeter must be verified according to JJG178- 2007 “Verification Regulations for Ultraviolet, Visible and Near-Infrared colorimeters”. …
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