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ASTM E1600-07

(Test Method)

Standard Test Method for Determination of Gold in Cyanide Solutions by Atomic Absorption Spectrometry

Standard Test Method for Determination of Gold in Cyanide Solutions by Atomic Absorption Spectrometry

SIGNIFICANCE AND USE
In primary metallurgical processes for gold bearing ores, gold is extracted with an alkaline cyanide solution. Metallurgical accounting, process control, and ore evaluation procedures depend on accurate, precise, and prompt measurements of the gold concentrations.
This test method is a referee method for compliance with compositional specifications for metal content. It is assumed that all who use this procedure 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. Follow appropriate quality control practices such as those described in Guide E 882.
SCOPE
1.1 This test method covers the determination of gold in ore processing cyanide solution in the range from 0.3 to 10.0 g/mL of gold by direct aspiration into an atomic absorption spectrophotometer.
1.1.1 This test method may also be applied to cyanide leach solutions from metallurgical evaluation procedures.
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 8.3, 8.5, Section 9, and 10.4.1.1.

General Information

Status
Historical
Publication Date
31-May-2007
ICS
73.060.99 - Other metalliferous minerals
Technical Committee
E01 - Analytical Chemistry for Metals, Ores, and Related Materials
Drafting Committee
E01.02 - Ores, Concentrates, and Related Metallurgical Materials
Current Stage
Ref Project

Relations

Replaces
ASTM E1600-02 - Standard Test Method for Determination of Gold in Cyanide Solutions by Atomic Absorption Spectrometry
Effective Date
01-Jun-2007
Replaced By
ASTM E1600-13 - Standard Test Method for Determination of Gold in Cyanide Solutions by Flame Atomic Absorption Spectrometry
Effective Date
01-Apr-2013

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ASTM E1600-07 - Standard Test Method for Determination of Gold in Cyanide Solutions by Atomic Absorption SpectrometryASTM E1600-07 - Standard Test Method for Determination of Gold in Cyanide Solutions by Atomic Absorption Spectrometry
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ASTM E1600-07 - Standard Test Method for Determination of Gold in Cyanide Solutions by Atomic Absorption Spectrometry
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: E1600 − 07
StandardTest Method for
Determination of Gold in Cyanide Solutions by Atomic
1
Absorption Spectrometry
This standard is issued under the fixed designation E1600; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope E173 Practice for Conducting Interlaboratory Studies of
Methods for Chemical Analysis of Metals (Withdrawn
1.1 This test method covers the determination of gold in ore
3
1998)
processing cyanide solution in the range from 0.3 to 10.0
E663 Practice for FlameAtomicAbsorptionAnalysis (With-
µg/mL of gold by direct aspiration into an atomic absorption
3
drawn 1997)
spectrophotometer.
E882 Guide for Accountability and Quality Control in the
1.1.1 This test method may also be applied to cyanide leach
Chemical Analysis Laboratory
solutions from metallurgical evaluation procedures.
E1024 Guide for Chemical Analysis of Metals and Metal
1.2 This standard does not purport to address all of the
Bearing Ores by Flame Atomic Absorption Spectropho-
safety concerns, if any, associated with its use. It is the 3
tometry (Withdrawn 2004)
responsibility of the user of this standard to establish appro-
E1060 Practice for Interlaboratory Testing of Spectrochemi-
priate safety and health practices and determine the applica- 3
cal Methods of Analysis (Withdrawn 1997)
bility of regulatory limitations prior to use. Specific precau-
E1601 Practice for Conducting an Interlaboratory Study to
tions are given in 8.3, 8.5, Section 9, and 10.4.1.1.
Evaluate the Performance of an Analytical Method
2. Referenced Documents
3. Terminology
2
2.1 ASTM Standards:
3.1 Definitions—For definitions of terms used in this test
D1193 Specification for Reagent Water
method, refer to Terminology E135.
D1293 Test Methods for pH of Water
4. Summary of Test Method
D6888 Test Method for Available Cyanide with Ligand
Displacement and Flow InjectionAnalysis (FIA) Utilizing
4.1 The sample solution is collected and preserved with
Gas Diffusion Separation and Amperometric Detection
sodium hydroxide, if necessary, by careful adjustment of pH.
D7237 Test Method for Free Cyanide with Flow Injection
The test solution is filtered and gold content is determined by
Analysis (FIA) Utilizing Gas Diffusion Separation and
flame atomic absorption spectrophotometry.
Amperometric Detection
E29 Practice for Using Significant Digits in Test Data to 5. Significance and Use
Determine Conformance with Specifications
5.1 Inprimarymetallurgicalprocessesforgoldbearingores,
E50 Practices for Apparatus, Reagents, and Safety Consid-
gold is extracted with an alkaline cyanide solution. Metallur-
erations for Chemical Analysis of Metals, Ores, and
gical accounting, process control, and ore evaluation proce-
Related Materials
dures depend on accurate, precise, and prompt measurements
E135 Terminology Relating to Analytical Chemistry for
of the gold concentrations.
Metals, Ores, and Related Materials
5.2 This test method is a referee method for compliance
with compositional specifications for metal content. It is
assumedthatallwhousethisprocedurewillbetrainedanalysts
1
This test method is under the jurisdiction of ASTM Committee E01 on
capable of performing common laboratory procedures skill-
Analytical Chemistry for Metals, Ores, and Related Materials and is the direct
responsibility of Subcommittee E01.02 on Ores, Concentrates, and Related Metal- fully and safely. It is expected that work will be performed in
lurgical Materials.
a properly equipped laboratory and that proper waste disposal
Current edition approved June 1, 2007. Published June 2007. Originally
procedures will be followed. Follow appropriate quality con-
approved in 1994. Last previous edition approved in 2002 as E1600 – 02. DOI:
trol practices such as those described in Guide E882.
10.1520/E1600-07.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on The last approved version of this historical standard is referenced on
the ASTM website. www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
E1600 − 07
6. Interferences 9. Hazards
6.1 Elements normally found in ore processing cyanide 9.1 For precautions to be observed in this method, refer to
solutions do not interfere. Use of instrumental background
Practice E50.
correction is required to compensate for nonspecific absorption
9.2 H
...

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Standard Test Methods for Determination of Gold in Cyanide Solutions

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4.1 In primary metallurgical processes for gold bearing ores, gold is extracted with an alkaline cyanide solution. Metallurgical accounting, process control, and ore evaluation procedures depend on accurate, precise, and prompt measurements of the gold levels.  
4.2 These test methods are comparative referee methods for compliance with compositional specifications for metal amounts or to monitor processes. It is assumed that all who use these methods will be trained users capable of performing common laboratory procedures skillfully and safely. It is expected that work will be performed in a properly equipped laboratory under appropriate quality control practices such as those described in Guide E882, and that proper waste disposal procedures will be followed.
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