Standard Test Method for Analysis of Titanium and Titanium Alloys by Spark Atomic Emission Spectrometry and Glow Discharge Atomic Emission Spectrometry (Performance-Based Method)
5.1 This test method for the chemical analysis of titanium alloys is primarily intended to test material for compliance to compositional requirements of specifications such as those under jurisdiction of ASTM committee B10. It may also be used to test compliance with other specifications that are compatible with the test method.
5.2 This is a performance-based test method that relies more on the demonstrated quality of the test result than on strict adherence to specific procedural steps. It is assumed that all who use this method will be trained analysts capable of performing common laboratory procedures skillfully and safely, and that the work will be performed in a properly equipped laboratory.
5.3 It is expected that laboratories using this method will prepare their own work instructions. These work instructions will include detailed operating instructions for the specific laboratory, the specific reference materials employed, and performance acceptance criteria.
1.1 This test method describes the analysis of titanium and its alloys by spark atomic emission spectrometry (Spark-AES) and glow discharge atomic emission spectrometry (GD-AES). The titanium specimen to be analyzed may be in the form of a disk, casting, foil, sheet, plate, extrusion or some other wrought form or shape. The elements and ranges covered in the scope by spark-AES of this method are listed below.
Tested Mass Fraction Range (%)
0.008 to 7.0
0.006 to 0.1
0.014 to 0.1
0.043 to 0.3
0.005 to 0.1
0.018 to 0.1
0.02 to 0.1
0.015 to 5.0
0.013 to 0.1
1.1.1 The elements oxygen, nitrogen, carbon, niobium, boron, yttrium, palladium, and ruthenium, were included in the ILS but the data did not contain the required six laboratories. Precision tables were provided for informational use only.
1.2 The elements and ranges covered in the scope by GD-AES of this method are listed below.
0.02 to 7.0
0.028 to 0.1
0.09 to 0.3
0.016 to 0.1
0.022 to 0.1
0.054 to 5.0
0.026 to 0.1
1.3 The mass fractions given in the above scope tables are the ranges validated through the interlaboratory study. However, it is known that the techniques used in this standard allow the useable range to be extended higher or lower based on individual instrument and laboratory capabilities, and the spectral characteristics of the specific element wavelength being used. Laboratories must provide sufficient evidence of method validation when extending the analytical range as described in Guide E2857 Validating Analytical Methods.
1.4 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 safety hazard statements are given in Section 9.
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