ASTM E1916 - 11 standard guide for identification of mixed lots of metals

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Source: ASTM International

Equipment and procedures described in this guide are comparative methods and are intended for identification or segregation, or both, of pieces or lots of metals that were mixed or lost their identity during certain manufacturing operations. It is presumed that all pieces or lots of metal have been previously checked and did meet applicable specifications.

The equipment and procedures described in this guide may also be suitable for identifying or segregating, or both, scrap metals.

1. Scope

1.1 This guide covers the identification or segregation, or both, of mixed metal lots under plant conditions using trained plant personnel.

1.2 The identification is not intended to have the accuracy and reliability of procedures performed in a laboratory using laboratory equipment under optimum conditions, and performed by trained chemists or technicians. The identification is not intended to establish whether a given piece or lot of metal meets specifications.

1.3 Segregation of certain metal combinations is not always possible with procedures provided in this guide and can be subject to errors.

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.

2. Referenced Documents (purchase separately)

ASTM Standards
E50 Practices for Apparatus, Reagents, and Safety Precautions for Chemical Analysis of Metals
E977 Practice for Thermoelectric Sorting of Electrically Conductive Materials

Index Terms

chemical spot test; eddy-current; identification; segregation; sorting; spectrometric; spectroscopic; thermoelectric: Chemical spot test; Identification; Metals and metallic materials; Mixed lots (of metals); Optical emission spectrochemical analysis; Optical emission spectrometry (OES); Segregation; Spectrometry; Spectroscopy; Thermoelectric method;

ICS Code

ICS Number Code 77.040.99 (Other methods of testing metals)

DOI: 10.1520/E1916-11

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