ASTM-UOP543 2011

$137.58

UOP543-11 Trace Non-Aromatic Hydrocarbons in High-Purity Aromatics by GC

Published By	Publication Date	Number of Pages
ASTM	2011	8

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Description

ASTM UOP543-11

Active Standard: Trace Non-Aromatic Hydrocarbons in High-Purity Aromatics by GC

ASTM UOP543

Scope

This method is primarily for determining total non-aromatic hydrocarbons below the one mass-% level in individual or mixed aromatic hydrocarbon samples. For the purpose of this method, total non-aromatics is defined as the composite of those components eluting before benzene. The applicability is limited to samples containing compounds having a maximum of 11 carbon atoms. The method may also be used to determine mass-ppm concentrations of benzene in specific sample types containing predominantly C₇ and higher boiling aromatics, or benzene and toluene in specific sample types containing predominantly C₈ and/or higher boiling aromatics. The method is quantitative to one mass-ppm.

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