Determination of Vanadium in Heavy Oils by Atomic Absorption Spectrometry Using a Graphite Furnace Coated with Tungsten

被引：0

作者：

Yoshikazu Nakamoto

Tatsuro Ishimaru

Nobutaka Endo

Koji Matsusaki

机构：

[1] Idemitsu Petrochemical Co.,Application Research Section, Chemicals Research Laboratory

[2] Ltd.,Department of Applied Chemistry and Chemical Engineering, Faculty of Engineering

[3] Yamaguchi University,undefined

来源：

Analytical Sciences | 2004年 / 20卷

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学科分类号：

摘要：

A simple and rapid method was established for the direct determination of vanadium in an oil sample using the tungsten-coated graphite-furnace AAS. The interference of the sulfur compound could be suppressed by choosing the ashing temperature. If the sulfur concentration in the sample is diluted to 1.0 wt% or less, the interference can be suppressed. This proposed method should make important contributions to the quality control of petroleum refineries.

引用

页码：739 / 741

页数：2

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