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UOP 931-10
Trace Impurities in Mixed Xylenes by GC
STANDARD published on 1.10.2010
The information about the standard:
Designation standards: UOP 931-10
Publication date standards: 1.10.2010
SKU: NS-574997
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: American technical standard
Category: Technical standards UOP
Preview of the standard UOP 931-10
| 1. 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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