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      ISO 6271-2-2004 "Transparent Liquids, Color Evaluation by Platinum-Cobalt Color Scale Part 2: Spectrophotometric method, spectrophotometry" is an international standard that specifies the method for determining the Color of transparent liquids using Spectrophotometric method, spectrophotometry. Suitable for clear liquids that require accurate Color measurement, such as oils, detergents, etc. The standard details the steps for Color analysis using a Light spectrum meter and converting the results to a platinum-cobalt chromatic value, providing laboratory environment requirements to ensure measurement accuracy. Spectrophotometric method, spectrophotometry is more accurate than visual method.

      This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
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