ASTM UOP 931 : 2010
Current
The latest, up-to-date edition.
Trace Impurities in Mixed Xylenes by GC
English
01-10-2010
Defines methods for determining trace impurities in high-purity mixed xylenes by gas chromatography (GC).
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Current
|
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.
| ASTM UOP 543 : 2011 | Trace Non-Aromatic Hydrocarbons in High-Purity Aromatics by GC |
| ASTM D 4307 : 2017 : REDLINE | Standard Practice for Preparation of Liquid Blends for Use as Analytical Standards |
| ASTM U 09 : 2013 | Precision Statements in UOP Methods |
| ASTM UOP744 : 2006 | Aromatics in Hydrocarbons by GC |
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