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Normas ASTM – AENOR
ASTM E1277-14

ASTM E1277-14

Standard Test Method for Analysis of Zinc-5 % Aluminum-Mischmetal Alloys by ICP Emission Spectrometry

Fecha:
2016-12-27 /Active
Significance and Use:

5.1 This test method for the chemical analysis of metals and alloys is primarily intended to test such materials for compliance with compositional specifications. It is assumed that all those who use this test method will be trained analysts capable of performing common laboratory procedures skillfully and safely. It is expected that work will be performed in a properly equipped laboratory.

Scope:

1.1 This test method covers the chemical analysis of zinc alloys having chemical compositions within the following limits:

 Element

Composition Range, %

  Aluminum

  3.0–8.0

  Antimony

  0.002 max

  Cadmium

  0.025 max

  Cerium

  0.03–0.10

  Copper

  0.10 max

  Iron

  0.10 max

  Lanthanum

  0.03–0.10

  Lead

  0.026 max

  Magnesium

  0.05 max

  Silicon

  0.015 max

  Tin

  0.002 max

  Titanium

  0.02 max

  Zirconium

  0.02 max

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 Included are procedures for elements in the following composition ranges:

 Element

Composition Range, %

  Aluminum

  3.0–8.0

  Cadmium

  0.0016–0.025

  Cerium

  0.005–0.10

  Iron

  0.0015–0.10

  Lanthanum

  0.009–0.10

  Lead

  0.002–0.026

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. Specific safety hazards statements are given in Section 8, 11.2, and 13.1.

Keywords:
inductively-coupled argon plasma atomic emission spectrometer; mischmetal; rare earths; spectrometry; zinc alloys;
42,54
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