ASTM E945-02
Standard Test Method for Determination of Zinc in Zinc Ores and Concentrates by Complexometric Tritrimetry

Standard No.
ASTM E945-02
Release Date
2002
Published By
American Society for Testing and Materials (ASTM)
Status
Replace By
ASTM E945-02a
Latest
ASTM E945-12
Scope

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 70.0
Lead 0.5 to 50.0
Copper 0.1 to 3.0
Iron 0.5 to 16.0
Sulfur 4.0 to 30.0
Calcium 0.1 to 20.0
Magnesium0.1 to 10.0
Cadmium 0.1 to 8.0
Arsenic 0.01 to 1.0
Antimony0.01 to 0.005
Bismuth 0.001 to 0.1
Cobalt 0.1 to 0.5
Nickel 0.3 to 3.0
Silver 0.00 to 150 oz/ton
Gold 0.00 to 1.0 oz/ton

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.

ASTM E945-02 history

  • 2012 ASTM E945-12 Standard Test Method for Determination of Zinc in Zinc Ores and Concentrates by EDTA Complexometric Titrimetry
  • 2007 ASTM E945-07 Standard Test Method for Determination of Zinc in Zinc Ores and Concentrates by Complexometric Titrimetry
  • 2002 ASTM E945-02a Standard Test Method for Determination of Zinc in Zinc Ores and Concentrates by Complexometric Tritrimetry
  • 2002 ASTM E945-02 Standard Test Method for Determination of Zinc in Zinc Ores and Concentrates by Complexometric Tritrimetry
  • 1996 ASTM E945-96 Standard Test Method for Determination of Zinc in Zinc Ores and Concentrates by Complexometric Tritrimetry



Copyright ©2024 All Rights Reserved