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Significance and Use
This test method is used for the analysis of nickel alloy samples by FAAS to check compliance with compositional specifications. It is assumed that all who use the procedure will be trained analysts capable of performing common laboratory procedures skillfully and safely. It is expected that the work will be performed in a properly equipped laboratory and that proper waste disposal procedures will be followed. Appropriate quality control practices must be followed such as those described in Guide E 882
Interlaboratory Studies (ILS) , —International interlaboratory studies were conducted by ISO/TC 155/SC4, Analysis of nickel alloys. Results were evaluated in accordance with ISO 5725:1986 and restated to conform to Practice E 1601
In this test method, some matrix modifiers are specified. However, other additives have come into common use since the original publication of this test method. These may be equally or more effective but have not been tested. It is the responsibility of the user to validate the use of such additives or the use of different dilutions, or both.
1.1 This test method covers analysis of nickel alloys by flame atomic absorption spectrometric analysis (FAAS) for the following elements:
|Element||Concentration Range, %|
|Aluminum||0.2 to 4.0|
|Chromium||0.01 to 4.0|
|Cobalt||0.01 to 4.0|
|Copper||0.01 to 4.0|
|Iron||0.1 to 4.0|
|Manganese||0.1 to 4.0|
|Silicon||0.2 to 1.0|
|Vanadium||0.05 to 1.0|
1.2 The concentration range of these elements can be expanded by the use of appropriate standards.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
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 associated with the use of this test method, see Practices E 50
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
E50 Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials
E135 Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials
E882 Guide for Accountability and Quality Control in the Chemical Analysis Laboratory
E1601 Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method
E1812 Practice for Optimization of Flame Atomic Absorption Spectrometric Equipment
ISO StandardsISO7530 Parts 1 through 9--Nickel Alloys--Flame Atomic Absorption Spectrometric Analysis
ICS Number Code 77.120.40 (Nickel, chromium and their alloys)
UNSPSC Code 11101706(Nickel); 41115407(Atomic absorption AA spectrometers)