Standards

ASTM E35 - 88(2002)


ASTM E35 - 88(2002) Standard Test Methods for Chemical Analysis of Magnesium and Magnesium Alloys


Active Standard ASTM E35 Developed by Subcommittee: E01.04 |Book of Standards Volume: 03.05

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more info 18 pages $ 42.00

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ASTM E35

Significance and Use

These test methods for the chemical analysis of metals and alloys are primarily intended to test such materials for compliance with compositional specifications. It is assumed that all who use these test methods 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.

1. Scope

1.1 These test methods cover the chemical analysis of magnesium and magnesium alloys having chemical compositions within the following limits:

Aluminum, %0.5 to 12
Copper, %0.005 to 0.1
Iron, %0.002 to 0.1
Lead, %0.001 to 0.5
Manganese, %0.01 to 2.0
Nickel, %0.0005 to 0.5
Rare earth elements, %0.2 to 10
Silicon, %0.01 to 0.8
Thorium, %0.2 to 25
Tin, %0.5 to 10
Zinc, %0.3 to 20
Zirconium, %0.03 to 1.0
Magnesium, %remainder

1.2 The analytical procedures appear in the following order:

Section
Aluminum:
Benzoate-Oxinate (Gravimetric) Method8-15
Sodium Hydroxide (Potentiometric) Method (Optional Routine Method)16-23
Copper:
Neocuproine (Photometric) Method24-33
Hydrobromic Acid-Phosphoric Acid (Photometric) Method34-43
Iron by the 1,10-Phenanthroline (Photometric) Method44-53
Lead by the Dithizone (Photometric) Method54-63
Magnesium-Analysis for Manganese an Zinc by Direct Current Plasma Spectroscopy (Proposal)
Manganese by the Periodate (Photometric) Method64-73
Nickel:
Dimethylglyoxime Extraction (Photometric) Method74-83
Dimethylglyoxime (Gravimetric) Method84.-91
Rare Earth Elements by the Sebacate-Oxalate (Gravimetric) Method92-98
Silicon:
Perchloric Acid (Gravimetric) Method99-104
Molybdosilicic Acid (Photometric) Method105-114
Thorium by the Benzoate-Oxalate (Gravimetric) Method115-121
Tin by the Iodine (Volumetric) Method122-129
Zinc:
Ethylenediamine Tetraacetate (Volumetric) Method130-137
Potassium Ferrocyanide (Volumetric) Method138-144
Zirconium by the Alizarin Red (Photometric) Method145-154

1.3 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 precautions are given in Section 5.


2. Referenced Documents

E29 Practice for Using Significant Digits in Test Data to Determine Conformance With Specifications
E30 Test Methods for Chemical Analysis of Steel, Cast Iron, Open-Hearth Iron, and Wrought Iron
E50 Practices for Apparatus, Reagents, and Safety Precautions for Chemical Analysis of Metals
E55 Practice for Sampling Wrought Nonferrous Metals and Alloys for Determination of Chemical Composition
E60 Practice for Photometric and Spectrophotometric Methods for Chemical Analysis of Metals
E88 Practice for Sampling Nonferrous Metals and Alloys in Cast Form for Determination of Chemical Composition

Index Terms

analysis; chemical; chemical analysis; magnesium and magnesium alloys; ICS Number Code 77.040.30

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