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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 properly equipped laboratories.
Appropriate quality control practices shall be followed such as those described in Guide E882.
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 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|
|Magnesium||0.1 to 10.0|
|Cadmium||0.1 to 8.0|
|Arsenic||0.01 to 1.0|
|Antimony||0.01 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|
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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1193 Specification for Reagent Water
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E50 Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials
E135 Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials
E173 Practice for Conducting Interlaboratory Studies of Methods for Chemical Analysis of Metals
E663 Practice for Flame Atomic Absorption Analysis
E882 Guide for Accountability and Quality Control in the Chemical Analysis Laboratory
E1601 Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method
ICS Number Code 73.060.99 (Other metalliferrous minerals)
UNSPSC Code 11101609(Zinc ore)
ASTM E945-12, Standard Test Method for Determination of Zinc in Zinc Ores and Concentrates by EDTA Complexometric Titrimetry, ASTM International, West Conshohocken, PA, 2012, www.astm.orgBack to Top