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ASTM D3943-00

ASTM D3943-00

Standard Test Method for Total Molybdenum in Fresh Alumina-Base Catalysts

2017-08-16 /Historical
Superseeded by:

1.1 This test method covers the determination of molybdenum in alumina-base catalysts and has been cooperatively tested at molybdenum concentrations from 8 to 18 weight%, expressed as MoO 3 . Any component of the catalyst other than molybdenum such as iron, tungsten, etc., which is capable of being oxidized by either ferric or ceric ions after being passed through a zinc-amalgam reductor column (Jones reductor) will interfere.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

alumina-base catalysts (fresh); Jones Reduction; molybdenum
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