1.1 ,This test method covers the determination of hydrocarbon types of total aromatics, total olefins, and total saturates in petroleum fractions that distill below 315 ,°,C. Samples containing dark-colored components that interfere in reading the chromatographic bands cannot be analyzed.
Note 1: ,For the determination of olefins below 0.3 ,% by volume, other test methods are available, such as Test Method D2710.