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ASTM D1209 Standard Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)

The ASTM D1209 standard outlines the test method for determining the color of clear liquids using the Platinum-Cobalt Scale. This method is primarily used to measure the color of solvents, varnishes, lacquers, and other clear liquids. The parameters of interest in this test include the color characteristics of the liquid, which are quantified by comparing the sample to a series of platinum-cobalt color standards. The color is expressed in terms of the platinum-cobalt scale, which ranges from 0 to 500, with higher values indicating a deeper color.

The relevance of the parameters measured in this method lies in their ability to indicate the purity and quality of the liquid being tested. The color of a solvent or other clear liquid can provide valuable information about its level of refinement and the presence of impurities. For example, a higher color value may suggest contamination or inadequate processing, which could affect the performance of the liquid in its intended application.

This method is important for several reasons. Firstly, it provides a standardized way to measure and report the color of clear liquids, ensuring consistency and comparability across different laboratories and industries. This is crucial for quality control and regulatory compliance, as many industries have specific color requirements for their products. Secondly, the Platinum-Cobalt Scale is widely recognized and used, making it a reliable and accepted method for color measurement. This helps to facilitate communication and understanding between manufacturers, suppliers, and customers.

ASTM D1209 is a vital standard for assessing the color of clear liquids, providing a consistent and reliable method for measuring and reporting color characteristics. This helps to ensure the quality and purity of products, supporting quality control and regulatory compliance across various industries, e.g. pharma industry.

With the SPECORD PLUS and the ASpect UV device software with implemented colour measurement module, the platinum-cobalt colour number can be determined quickly and easily.

Our solutions for ASTM D1209

SPECORD PLUS Series High-resolution UV/Vis double beam spectrophotometer for precise and flexible analysis, suitable for high-throughput, low concentrations and for regulated industries.

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