ASTM E415 PDF

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Analysis of Carbon and Low-Alloy Steel by Spark Atomic Emission Spectrometry1 This standard is issued under the fixed designation E; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon indicates an editorial change since the last revision or reapproval.

Scope according to the design of the spectrometer stand, but a 1. It is designed for chill-cast, rolled, and forged Applicable specimens. However, it is not required for all applica- Aluminum 0 to 0.

Antimony 0 to 0. It is the Calcium 0 to 0. Copper 0 to 0. Referenced Documents Nickel 0 to 5. Current edition approved Nov. Published March Originally approved in Last previous edition approved in as E DOI: 3 The spectrom- E Practice for Reporting Results from Methods of eter must be able to measure at least one of the listed spectral Chemical Analysis lines for each of the listed elements.

Spectral lines other than E Guide for Production, Testing, and Value Assignment those listed in Table 1 may be used provided it can be shown of In-House Reference Materials for Metals, Ores, and experimentally that equivalent precision and accuracy are Other Related Materials obtained.

The measuring system may consist of one of the following configurations: 3. Terminology 6. Summary of Test Method indirectly, and the necessary switching arrangements to pro- vide the desired sequence of operation. The discharge is terminated at a predetermined the voltage of an individual pixel to one or more output ports intensity time integral of a selected iron line, or at a predeter- of the detector arrays, and a voltage measuring system to mined time, and the relative radiant energies of the analytical register the voltage of said output ports.

The most sensitive lines of arsenic, boron, 6. The absorption of the radiation by air in this region is overcome by evacuating the spectrometer or by use of 6. It is assumed that all who use this test method will be analysts capable of NOTE 2A pump with a displacement of at least 0. It is expected that work will be performed in a properly 6. Automatic sequencing shall be provided to actuate the flow at a given rate for a specific time interval.

The 6. Apparatus flow rate may be manually or automatically set. The argon 6. Reagents and Materials sample liquid and solid iron and steel. See The are obtained. The rods can vary in diameter from 1.

During continuous operation, this with a wire brush. If not removed, it can reduce the overall typically should be done every 24 h. Follow the manufacturers intensity of the spectral radiation or transfer slight amounts of recommendations for cleaning the entrance lens or window contamination between specimens, or both. The number of acceptable burns on an electrode varies from one instrument to another, and should be established in each laboratory.

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