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ASTM UOP 924 : 2000

Current
Current

The latest, up-to-date edition.

Nickel, Tungsten, Sodium and Aluminum in Hydrocracking Catalysts by ICP-AES
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

07-29-2002

Publisher

American Society for Testing and Materials

Specifies methods for determining nickel(Ni), tungsten(W), sodium(Na) and aluminum(Al) in fresh alumina or alumino-silicate supported catalysts by inductively coupled plasma atomic emission spectroscopy (ICP-AES).

This method is for determining nickel(Ni), tungsten(W), sodium(Na) and aluminum(Al) in fresh alumina or alumino-silicate supported catalysts by inductively coupled plasma atomic emission spectroscopy (ICP-AES). The method is suitable for the determination of elements from the low ppm to high mass percent concentration ranges. The determination of Ni, W, Na and Al is described herein, however, many other elements which are brought into solution during the described sample decomposition can be also determined. Because of incomplete dissolution, catalysts containing alpha- or theta-alumina phases cannot be analyzed by this method, however, it can be applied if a modified sample dissolution technique, such as a TeflonTM lined pressure vessel (not described herein) is utilized.

This method can also be used for spent catalyst after suitable pretreatment.

DocumentType
Standard
Pages
8
PublisherName
American Society for Testing and Materials
Status
Current

ASTM UOP 925 : 1992 Nickel, Molybdenum, Phosphorus, Cobalt and Aluminum in Fresh Catalysts by ICP-AES

ASTM U 09 : 2013 Precision Statements in UOP Methods

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Hardcopy - English
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