Spectrochemical Standards for Aluminum Alloys
Alcoa spectrochemical standards are a necessary accompaniment to the spectrochemical methods developed and used by Alcoa. With the widespread adoption of these methods, the standards have been made available by Alcoa as a service to the industry. With more than 50 years of experience supplying aluminum alloy standards, Alcoa spectrochemical standards have become recognized for their uniformity and certification accuracy.
Because many laboratories depend on Alcoa standards, a quantity and variety of standards are maintained to meet customer demands. Should the standards listed in the catalog not meet the specific requirements of a particular customer, Alcoa experts may suggest alternative standards or the purchase of custom standards made to the customer's own specifications.
Selection of Standards
The Alcoa Spectrochemical Catalog lists standards classified by alloy using Aluminum Association designations when available and Alcoa designations in other cases. Alcoa Spectrochemical Standards can be used both in the preparation of analytical curves and for the periodic adjustment of these curves.
Compositions listed in this catalog are only approximate since successive lots under a given catalog number vary to some degree. The composition specifically applying to a given standard section is furnished when the standard is shipped. Certified compositions are usually reported utilizing the Aluminum Association rules for reporting compositions.
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