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UOP 986-08
Arsenic in Heavy Petroleum Fractions using Microwave Digestion and Graphite Furnace-AAS
STANDARD published on 10.11.2008
The information about the standard:
Designation standards: UOP 986-08
Publication date standards: 10.11.2008
SKU: NS-575045
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: American technical standard
Category: Technical standards UOP
Preview of the standard UOP 986-08
| 1. Scope |
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This method is for determining total arsenic in heavy hydrocarbons by microwave digestion and graphite furnace atomic absorption spectroscopy (GF-AAS). The lower limit of quantitation for arsenic is 50 ng/g (mass-ppb). Sample preparation by conventional extraction and digestion, such as that used in UOP Method 946, Arsenic in Petroleum Naphthas by HG-AAS, is problematic for high-boiling samples as it is possible for arsenic to be volatilized at the extreme sample preparation conditions required for the high boiling samples. Microwave digestion does not require these extreme conditions and also requires less operator attention during sample preparation. |
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