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Standard UOP 931-10 1.10.2010 preview

Preview of the standard

UOP 931-10

Trace Impurities in Mixed Xylenes by GC



STANDARD published on 1.10.2010


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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

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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.
 

Latest update: 2026-03-06 (Number of items: 2 265 266)
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