Standard Withdrawn, No replacement   Last Updated: Dec 31, 2010
ASTM E315-04

Standard Test Methods for Chemical Analysis of Molybdenum (Withdrawn 2010)

Significance and Use

These test methods for the chemical analysis of metals and alloys are primarily intended to test such materials for compliance with compositional specifications. It is assumed that all who use these test methods will be trained analysts capable of performing common laboratory procedures skillfully and safely. It is expected that work will be performed in a properly equipped laboratory.


1.1 These test methods cover the chemical analysis of molybdenum and molybdenum alloys having chemical compositions within the following limits:

ElementConcentration Range, %
Carbon0.010 to 0.040
Iron0.020 max
Molybdenum99.25 to 99.99
Nickel0.010 max
Nitrogen0.0010 max
Oxygen0.0030 max
Silicon0.010 max
Titanium0.005 to 0.55
Zirconium0.06 to 0.12

1.2 The test methods in this standard are contained in the sections indicated below:

Nickel by the Persulfate-Dimethylglyoxime Photometric Method9-18
Iron by the 1,10-Phenanthroline Photometric Method19-29
Silicon by the Molybdenum Blue-Extraction Photometric Method30-40

1.3 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. Specific precautionary information is given in Section 5.

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