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Standard Test Method for Analysis of Aluminum and Aluminum Alloys by Spark Atomic Emission Spectrometry
Automaticky preložený názov:
Štandardná skúšobná metóda pre analýzu z hliníka a hliníkových zliatin o Spark atómovú emisnú spektrometriou
NORMA vydaná dňa 15.3.2011
Označenie normy: ASTM E1251-11
Poznámka: NEPLATNÁ
Dátum vydania normy: 15.3.2011
Kód tovaru: NS-41016
Počet strán: 10
Približná hmotnosť: 30 g (0.07 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
aluminum, aluminum alloys, Spark Atomic Emission Spectrometry (Spark-AES), Aluminum alloys--spectrochemical analysis, Aluminum (spectrochemical analysis), Argon atmospheres, Calibration--spectrochemical analysis instrumentation, Capacitor discharge, Excitation, Gas flow, Optical emission spectrometry (OES), Point-to-point technique, Unipolar self-initiating capacitor discharge, ICS Number Code 77.120.10 (Aluminium and aluminium alloys)
Significance and Use | ||||||||||||||||||||||
The metallurgical properties of aluminum and its alloys are highly dependent on chemical composition. Precise and accurate analyses are essential to obtaining desired properties, meeting customer specifications and helping to reduce scrap due to off-grade material. This test method is applicable to chill cast specimens as defined in Practice E716 and can also be applied to other types of samples provided that suitable reference materials are available. Also, other sample forms can be melted-down and cast into a disk, using an appropriate mold, as described in Practice E716. However, it should be noted that some elements (for example, magnesium) readily form oxides, while some others (for example, sodium, lithium, calcium, and strontium) are volatile, and may be lost to varying degrees during the melting process. |
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1. Scope | ||||||||||||||||||||||
1.1 This test method describes the analysis of aluminum and its alloys by atomic emission spectrometry. The aluminum specimen to be analyzed may be in the form of a chill cast disk, casting, foil, sheet, plate, extrusion or some other wrought form or shape. The elements covered in the scope of this method are listed in the table below. |
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2. Referenced Documents | ||||||||||||||||||||||
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