BAS ASTM D 1500:2025

1.1 This test method covers the visual determination of the color of a wide variety of petroleum products, such as lubricating oils, heating oils, diesel fuel oils, and petroleum waxes. Note 1: Test Method D156 is applicable to refined products that have an ASTM color lighter than 0.5. Note 2: The color of some dyed products may extend outside color range defined by the glass reference standards employed in the testing procedure. Furthermore, samples used to determine the precision and bias did not include dyed products.