ASTM-UOP987 2011

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UOP987-11 Low Trace Sulfur in Liquid Hydrocarbons by Oxidative Combustion with Ultraviolet Fluorescence Detection

Published By	Publication Date	Number of Pages
ASTM	2011	11

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Description

ASTM UOP987-11

Historical Standard: Low Trace Sulfur in Liquid Hydrocarbons by Oxidative Combustion with Ultraviolet Fluorescence Detection

ASTM UOP987

Scope

This method is for determining sulfur in liquid hydrocarbons at concentrations ranging from 10 to 1500 ng/g (mass-ppb). A direct measurement procedure (Part A) is used for samples above 100 ng/g. A trap & release procedure (Part B) is used for samples between 10 and 200 ng/g where high precision is required. This method is also applicable to highly volatile samples, such as pentane, through the use of a cooled sampling system.

Higher concentrations can be determined by ASTM Method D5453, “Standard Test Method for Determination of Total Sulfur in Light Hydrocarbons, Spark Ignition Engine Fuel, Diesel Engine Fuel, and Engine Oil by Ultraviolet Fluorescence” and D7183, “Standard Test Method for Determination of Total Sulfur in Aromatic Hydrocarbons and Related Chemicals by Ultraviolet Fluorescence” using the cooled sampling system described herein for highly volatile matrices.

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Additional information

Standard Title	UOP987-11 Low Trace Sulfur in Liquid Hydrocarbons by Oxidative Combustion with Ultraviolet Fluorescence Detection
Published Code	ASTM
Publication Date	2011
Pages Count	11