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ASTM-E1568:2008 Edition(Redline)

ASTM-E1568:2008 Edition(Redline)

$23.40

E1568-03(2008)e1 Standard Test Method for the Determination of Gold in Activated Carbon by Fire Assay Gravimetry (Redline)

Published By Publication Date Number of Pages
ASTM 2008 5
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Significance and Use

In the primary metallurgical processes used by the mineral processing industry for gold bearing ores, gold is extracted with alkaline cyanide solutions and adsorbed onto activated carbon for recovery of the metal. Metallurgical accounting, process control, and ore evaluation procedures for this type of mineral processing plant depend on accurate, precise, and prompt measurements of gold concentrations in the activated carbon.

This test method for gold in activated carbon is intended primarily as a referee method to test such materials for metal content. It is assumed that those who use these procedures 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 and that proper waste disposal procedures will be followed. Appropriate quality control practices must be followed, such as those described in Guide E 882.

1. Scope

1.1 This test method covers the determination of gold in activated carbon by fire assay collection and gravimetric measurement. It covers the range of 15 μ g to 5000 μ g/g gold.

1.2 The values stated in SI units are to be regarded as the standard. The inch-pound values given in parentheses are for information only and are not considered standard.

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. For specific hazards statements, see Section 9 and 11.2.3-11.2.5, 11.3.4, and 11.3.4.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

D2862 Test Method for Particle Size Distribution of Granular Activated Carbon D2866 Test Method for Total Ash Content of Activated Carbon

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