: The standard utilizes Spark Atomic Emission Spectrometry (Spark-AES) . In this process, an electrical discharge (spark) is applied to the surface of a solid aluminum sample, exciting the atoms and causing them to emit light at characteristic wavelengths. The intensity of this light is measured to quantify the elements present.
Note: Redline versions show changes from the previous edition, which is particularly helpful for upgrading from E1251-11 or E1251-07.
According to ASTM records, E1251-17a is an editorial revision of E1251-17. No technical content was changed; the "a" suffix typically corrects minor typographical or formatting errors in the standard document itself. astm e125117a pdf
The official and correct designation is . This is the 2017 revision 'A' of the "Standard Test Method for Analysis of Aluminum and Aluminum Alloys by Spark Atomic Emission Spectrometry".
While newer revisions or reapprovals may exist, the "17a" version remains a foundational benchmark for many legacy quality management systems and contractual agreements globally. : The standard utilizes Spark Atomic Emission Spectrometry
| Standard | Method | Best For | |----------|--------|-----------| | | Spark AES (similar, but newer format) | General metal analysis | | E1479 | ICP-OES | Dissolved aluminum solutions | | E607 | Spark AES (old version – replaced) | Historical reference only |
Note: Legitimate, legally compliant copies of the ASTM E1251-17a PDF must be purchased directly from the ASTM International website or authorized distributors to ensure the document includes the latest errata and copyright permissions. Note: Redline versions show changes from the previous
: Specimens must be sufficiently massive to prevent overheating during the test. ASTM International 3. Apparatus Requirements
It is crucial for manufacturers to follow this standard when producing aluminum alloy ingots, extrusions, and casting components to ensure they meet the compositional limits set by organizations like the Aluminum Association. Procedure Summary: Spark-AES Analysis
To ensure compliant and accurate testing, it is important to work with the official, up-to-date document. The primary, most reliable source.
Capable of being prepared to create a clean, flat surface to form a seal with the spark stand.