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ASTM International - ASTM E945-12

Standard Test Method for Determination of Zinc in Zinc Ores and Concentrates by EDTA Complexometric Titrimetry (Withdrawn 2021)

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Organization: ASTM International
Publication Date: 1 June 2012
Status: inactive
Page Count: 4
ICS Code (Other metalliferous minerals): 73.060.99
significance And Use:

This test method is primarily intended to test materials for compliance with compositional specifications. It is assumed that all who use this test method will be trained analysts working in... View More

scope:

1.1 This test method covers the determination of zinc in ores, concentrates, and related materials having chemical composition within the following limits:

ElementApplication Range, %
Zinc5.0 to 70.0
Lead0.5 to 50.0
Copper0.1 to 3.0
Iron0.5 to 16.0
Sulfur4.0 to 30.0
Calcium0.1 to 20.0
Magnesium0.1 to 10.0
Cadmium0.1 to 8.0
Arsenic0.01 to 1.0
Antimony0.01 to 0.005
Bismuth0.001 to 0.1
Cobalt0.1 to 0.5
Nickel0.3 to 3.0
Silver0.00 to 150 oz/ton
Gold0.00 to 1.0 oz/ton

Note 1-As used in this test method, percent or "%" refers to a mass fraction.

1.2 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.

Document History

ASTM E945-12
June 1, 2012
Standard Test Method for Determination of Zinc in Zinc Ores and Concentrates by EDTA Complexometric Titrimetry (Withdrawn 2021)
1.1 This test method covers the determination of zinc in ores, concentrates, and related materials having chemical composition within the following limits: Element Application Range, % Zinc 5.0 to...
July 1, 2007
Standard Test Method for Determination of Zinc in Zinc Ores and Concentrates by Complexometric Titrimetry
1.1 This test method covers the determination of zinc in ores, concentrates, and related materials having chemical composition within the following limits: This standard does not purport to address...
June 10, 2002
Standard Test Method for Determination of Zinc in Zinc Ores and Concentrates by Complexometric Tritrimetry
1.1 This test method covers the determination of zinc in ores, concentrates, and related materials having chemical composition within the following limits: Element Concentration Range, % Zinc 5.0 to...
March 10, 2002
Standard Test Method for Determination of Zinc in Zinc Ores and Concentrates by Complexometric Tritrimetry
1.1 This test method covers the determination of zinc in ores, concentrates, and related materials having chemical composition within the following limits: Element Concentration Range, % Zinc 5.0 to...
March 10, 2002
Standard Test Method for Determination of Zinc in Zinc Ores and Concentrates by Complexometric Tritrimetry
1.1 This test method covers the determination of zinc in ores, concentrates, and related materials having chemical composition within the following limits: Element Concentration Range, % Zinc 5.0 to...
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