ASTM-UOP931:2010 Edition
$137.58
UOP931-10 Trace Impurities in Mixed Xylenes by GC
Published By | Publication Date | Number of Pages |
ASTM | 2010 | 12 |
ASTM UOP931-10
Active Standard: Trace Impurities in Mixed Xylenes by GC
ASTM UOP931
Scope
This method is for determining trace impurities in high-purity mixed xylenes by gas chromatography (GC). Specific trace impurities determined include non-aromatic hydrocarbons, benzene, toluene and individual C9 and C10 aromatic compounds. C10 or higher non-aromatics, if present, may interfere with the determination of benzene, but it can be determined by UOP Method 543. The lower limit of quantitation for any single component is 1 mg/kg (mass-ppm). Impurities at concentrations above 500 mg/kg should be determined by UOP Method 744.
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