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Significance and Use
This test method is primarily intended to test material for compliance with specifications such as those under the jurisdiction of ASTM Technical Committee B02 on Nonferrous Metals and Alloys. It may also be used to test compliance with other specifications that are compatible with the test method.
It is assumed that users of this test method shall be trained analysts capable of performing common laboratory procedures skillfully and safely, and that the work shall be performed in a properly equipped laboratory.
This is a performance-based method that relies more on the demonstrated quality of the test result than on strict adherence to specific procedural steps. It is expected that laboratories using this test method shall prepare their own work instructions. These work instructions shall include detailed operating instructions for the specific laboratory, the specific reference materials employed, and the performance acceptance criteria. It is also expected that, when applicable, each laboratory shall participate in proficiency test programs, such as described in Practice E2027, and that the results from the participating laboratory shall be satisfactory.
1.1 This test method describes the graphite furnace atomic absorption spectrometric analysis of nickel, such as specified by ASTM Committee B02, and having chemical compositions within the following limits:
|Element||Application Range (Wt. %)|
|Aluminum||0. 01 - 6.00|
|Boron||0. 01 - 0.10|
|Carbon||0. 01 - 0.15|
|Chromium||0. 01 - 33.00|
|Copper||0.01 - 35.00|
|Cobalt||0. 01 - 20.00|
|Iron||0.05 - 50.00|
|Magnesium||0. 01 - 0.020|
|Molybdenum||0. 01 - 30.0|
|Niobium||0. 01 - 6.0|
|Nickel||25.00 - 100.0|
|Phosphorous||0.001 - 0.025|
|Silicon||0.01 - 1.50|
|Sulfur||0.0001 - 0.01|
|Titanium||0.0001 - 6.0|
|Tungsten||0.01 - 5.0|
|Vanadium||0.0005 - 1.0|
1.2 The following elements may be determined using this test method:
|Element||Quantification Range (μg/g)|
|Bismuth||0.2 - 3|
|Lead||0.6 - 12|
|Selenium||0.7 - 10|
|Tellurium||0.4 - 6|
1.3 This test method has only been interlaboratory-tested for the elements and ranges specified. It may be possible to extend this test method to other elements or different concentration ranges provided that a test method validation study that includes an instrument performance evaluation as described in Practice E1770 is performed. Additionally, the validation study shall evaluate the acceptability of sample preparation methodology using reference materials or spike recoveries, or both. The user is cautioned to carefully evaluate the validation data as to the intended purpose of the analytical results.
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. For specific hazards statements see Note 2 and Section 9.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1193 Specification for Reagent Water
E50 Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials
E55 Practice for Sampling Wrought Nonferrous Metals and Alloys for Determination of Chemical Composition
E88 Practice for Sampling Nonferrous Metals and Alloys in Cast Form for Determination of Chemical Composition
E135 Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
E1329 Practice for Verification and Use of Control Charts in Spectrochemical Analysis
E1770 Practice for Optimization of Electrothermal Atomic Absorption Spectrometric Equipment
E2027 Practice for Conducting Proficiency Tests in the Chemical Analysis of Metals, Ores, and Related Materials
ICS Number Code 77.120.40 (Nickel, chromium and their alloys)
UNSPSC Code 11101711(Non ferrous alloy)