Answer :
ASTM color is a standard method for evaluating the color of petroleum products.
What does the DSASTM scale measure?
The DSASTM scale measures the darkness of the sample, with higher numbers indicating a darker color. The L 7.5 ASTM color scale measures the yellowness or redness of the sample, with positive numbers representing more yellow and negative numbers indicating more red.
Dil ASTM color refers to the color of a diluted sample, typically achieved by mixing the product with a specified solvent. These color measurements provide a quantitative assessment of the visual appearance of petroleum products, aiding in quality control and monitoring potential contamination or degradation.
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