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Normas ASTM – AENOR
ASTM D6591-00

ASTM D6591-00

Standard Test Method for Determination of Aromatic Hydrocarbon Types in Middle Distillates-High Performance Liquid Chromatography Method with Refractive Index Detection

Fecha:
2017-08-16 /Historical
Superseeded by:
Scope:

1.1 This test method covers a high performance liquid chromatographic test method for the determination of mono-aromatic, di-aromatic, and polyaromatic hydrocarbon contents in diesel fuels and petroleum distillates boiling in the range from 150 to 400oC. The total aromatic content in % m/m is calculated from the sum of the individual aromatic hydrocarbon types.

Note 1--Aviation fuels and petroleum distillates with a boiling point range from 50 to 300oC are not determined by this test method and should be analyzed by Test Method, D6379 or other suitable equivalent test methods.

1.2 This test method is calibrated for distillates containing from 4 to 40 % (m/m) mono-aromatic hydrocarbons, 0 to 20 % (m/m) di-aromatic hydrocarbons, 0 to 6 % (m/m) polycyclic aromatic hydrocarbons, and 4 to 65 % (m/m) total aromatic hydrocarbons.

1.3 The precision of this test method has been established for diesel fuels and their blending components, containing from 4 to 40 % (m/m) mono-aromatic hydrocarbons, 0 to 20 % (m/m) di-aromatic hydrocarbons, 0 to 6 % (m/m) polycyclic aromatic hydrocarbons, and 4 to 65 % (m/m) total aromatic hydrocarbons.

1.4 Compounds containing sulfur, nitrogen, and oxygen are possible interferents. Mono-alkenes do not interfere, but conjugated di- and poly-alkenes, if present, are possible interferents.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords:
aromatic hydrocarbons; aromatics; diesel fuel; high performance liquid chromatography; hydrocarbon types; petroleum distillates; refractive index detection; total aromatics in fuel
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