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ASTM E1915-05

(Test Method)

Standard Test Methods for Analysis of Metal Bearing Ores and Related Materials by Combustion Infrared Absorption Spectrometry

Standard Test Methods for Analysis of Metal Bearing Ores and Related Materials by Combustion Infrared Absorption Spectrometry

SCOPE
1.1 This test method covers the determination of total carbon and sulfur in metal bearing ores and related materials such as tailings and waste rock within the following ranges:
AnalyteApplication Range, %Quantitative Range, %Total Carbon0 to 100.08 to 10Total Sulfur0 to 8.80.023 to 8.8Note 1
The test methods were tested over the following ranges:Total Carbon - 0.01 to 5.87 %Total Sulfur - 0.0002 to 4.70 %Residual Carbon from Pyrolysis - 0.002 to 4.97 %Residual Sulfur from Pyrolysis - 0.014 to 1.54 %Pyrolysis Loss Sulfur - 0 to 4.42 %Hydrochloric Acid Insoluble Carbon - 0.025 to 0.47 %Hydrochloric Acid Loss Carbon - 0 to 5.78 %Hydrochloric Acid Insoluble Sulfur - 0.012 to 4.20 %.Nitric Acid Insoluble Sulfur - 0.006 to 0.924 %Nitric Acid Loss Sulfur - -0.08 to 4.19 %Sodium Carbonate Insoluble Sulfur - 0.007 to 3.78 %
1.2 The quantitative ranges for the partial decomposition test methods are dependent on the mineralogy of the samples being tested. The user of these test methods is advised to conduct an interlaboratory study in accordance with Practice E 1601 on the test methods selected for use at a particular mining site, in order to establish the quantitative ranges for these test methods on a site-specific basis.
1.3 The test methods appear in the following order:SectionsCarbon and Sulfur, TotalCarbon and Sulfur, Residual from PyrolysisCarbon and Sulfur, Hydrochloric Acid InsolubleSulfur, Nitric Acid InsolubleSulfur, Sodium Carbonate Insoluble
1.4 The values stated in SI units are to be regarded as standard.
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 warning statements are given in Section 7.

General Information

Status
Historical
Publication Date
30-Sep-2005
ICS
71.040.50 - Physicochemical methods of analysis
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 E1915-01 - Standard Test Methods for Analysis of Metal Bearing Ores and Related Materials by Combustion Infrared Absorption Spectrometry
Effective Date
01-Oct-2005
Replaced By
ASTM E1915-07 - Standard Test Methods for Analysis of Metal Bearing Ores and Related Materials by Combustion Infrared-Absorption Spectrometry
Effective Date
01-Jun-2007
Referred By
ASTM D6234-13(2020) - Standard Test Method for Shake Extraction of Mining Waste by the Synthetic Precipitation Leaching Procedure
Effective Date
01-Oct-2005
Referred By
ASTM D1976-20 - Standard Test Method for Elements in Water by Inductively-Coupled Plasma Atomic Emission Spectroscopy
Effective Date
01-Oct-2005
Referred By
ASTM D8155-17 - Standard Practice for Shake Extraction of Solid Mining and Metallurgical Processing Waste with Water
Effective Date
01-Oct-2005
Referred By
ASTM D5744-18 - Standard Test Method for Laboratory Weathering of Solid Materials Using a Humidity Cell
Effective Date
01-Oct-2005
Referred By
ASTM D8187-18 - Standard Guide for Interpretation of Standard Humidity Cell Test Results
Effective Date
01-Oct-2005

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ASTM E1915-05 - Standard Test Methods for Analysis of Metal Bearing Ores and Related Materials by Combustion Infrared Absorption SpectrometryASTM E1915-05 - Standard Test Methods for Analysis of Metal Bearing Ores and Related Materials by Combustion Infrared Absorption Spectrometry
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ASTM E1915-05 - Standard Test Methods for Analysis of Metal Bearing Ores and Related Materials by Combustion Infrared Absorption Spectrometry
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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: E 1915 – 05
Standard Test Methods for
Analysis of Metal Bearing Ores and Related Materials by
1
Combustion Infrared-Absorption Spectrometry
This standard is issued under the fixed designation E 1915; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. Specific warning
1.1 This test method covers the determination of total
statements are given in Section 7.
carbon and sulfur in metal bearing ores and related materials
such as tailings and waste rock within the following ranges:
2. Referenced Documents
Analyte Application Range, % Quantitative Range, %
2
2.1 ASTM Standards:
TotalCarbon 0to10 0.08to10
Total Sulfur 0 to 8.8 0.023 to 8.8
D 1193 Specification for Reagent Water
D 5744 Test Method for Accelerated Weathering of Solid
NOTE 1—The test methods were tested over the following ranges:
Materials Using a Modified Humidity Cell
Total Carbon - 0.01 to 5.87 %
Total Sulfur - 0.0002 to 4.70 %
D 6234 Test Method for Shake Extraction of Mining Waste
Residual Carbon from Pyrolysis - 0.002 to 4.97 %
by the Synthetic Precipitation Leaching Procedure
Residual Sulfur from Pyrolysis - 0.014 to 1.54 %
E29 Practice for Using Significant Digits in Test Data to
Pyrolysis Loss Sulfur-0to 4.42 %
Determine Conformance with Specifications
Hydrochloric Acid Insoluble Carbon - 0.025 to 0.47 %
E50 Practices for Apparatus, Reagents and Safety Consid-
Hydrochloric Acid Loss Carbon-0to 5.78 %
erations for Chemical Analysis of Metals, Ores, and
Hydrochloric Acid Insoluble Sulfur - 0.012 to 4.20 %.
Nitric Acid Insoluble Sulfur - 0.006 to 0.924 % Related Materials
Nitric Acid Loss Sulfur - -0.08 to 4.19 %
E 135 Terminology Relating to Analytical Chemistry for
Sodium Carbonate Insoluble Sulfur - 0.007 to 3.78 %
Metals, Ores, and Related Materials
1.2 The quantitative ranges for the partial decomposition E 882 Guide for Accountability and Quality Control in the
test methods are dependent on the mineralogy of the samples Chemical Analysis Laboratory
being tested. The user of these test methods is advised to E 1019 Test Methods for Determination of Carbon, Sulfur,
conduct an interlaboratory study in accordance with Practice Nitrogen, and Oxygen in Steel and in Iron, Nickel and
E 1601 on the test methods selected for use at a particular Cobalt Alloys
E 1601 Practice for Conducting an Interlaboratory Study to
mining site, in order to establish the quantitative ranges for
these test methods on a site-specific basis. Evaluate the Performance of an Analytical Method
E 1950 Practice for Reporting Results from Methods of
1.3 The test methods appear in the following order:
Chemical Analysis
Sections
Carbon and Sulfur, Total 12.1-12.6
E 2242 Test Method for Column Percolation Extraction of
Carbon and Sulfur, Residual from Pyrolysis 12.7-12.12
Mine Rock by the Meteoric Water Mobility Procedure
Carbon and Sulfur, Hydrochloric Acid Insoluble 12.13-12.18
Sulfur, Nitric Acid Insoluble 12.19-12.24
3. Terminology
Sulfur, Sodium Carbonate Insoluble 12.25-12.30
3.1 Definitions—For definitions of terms used in these test
1.4 The values stated in SI units are to be regarded as
methods, refer to Terminology E 135.
standard.
1.5 This standard does not purport to address all of the
4. Significance and Use
safety concerns, if any, associated with its use. It is the
4.1 These test methods are primarily intended to test mate-
responsibility of the user of this standard to establish appro-
rials for compliance with compositional specifications and for
monitoring.The determination of carbon and sulfur in ores and
1
These test methods are under the jurisdiction of ASTM Committee E01 on
Analytical Chemistry for Metals, Ores and Related Materials and are the direct
2
responsibility of Subcommittee E01.02 on Ores, Concentrates, and Related Metal- For referenced ASTM standards, visit the ASTM website, www.astm.org, or
lurgical Materials. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved Oct. 1, 2005. Published October 2005. Originally Standards volume information, refer to the standard’s Document Summary page on
approved in 1997. Last previous edition approved in 2001 as E 1915 – 01. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
E1915–05
related materials is necessary to classify ores for metallurgical 6.3.3 Calcium Carbonate (CaCO ), Anhydrous, contains
...

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ASTM E135-23a(Terminology)
Standard Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials

SIGNIFICANCE AND USE
3.1 Definitions given in Section 4 are intended for use in all standards on analytical chemistry for metals, ores, and related materials. The definitions should be used uniformly and consistently. The purpose of these definitions is to promote clear understanding and interpretation of the standards in which the terms are used.
SCOPE
1.1 This is a compilation of terms commonly used in analytical chemistry for metals, ores, and related materials. Terms that are generally understood or defined adequately in other readily available sources are either not included or their sources are identified.  
1.2 A definition is a single sentence with additional information included in a discussion.  
1.3 The date of last reapproval or revision of a term is in parentheses at the end of the definition.  
1.4 Definitions identical to those published by another standards organization or ASTM committee are identified with the name of the organization and the identifying document or ASTM committee and standard.  
1.5 Definitions specific to a particular field (such as emission spectrometry) are identified with an italicized introductory phrase.  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM E1806-23(Practice)
Standard Practice for Sampling Steel and Iron for Determination of Chemical Composition

SIGNIFICANCE AND USE
4.1 This practice covers all aspects of sampling and preparing steel and iron for chemical analysis as defined in Test Methods, Practices, and Definitions A751 and Specification A48/A48M. Such subjects as sampling location and the sampling of lots are defined.  
4.2 This practice includes most requirements for sampling steel and iron for analysis. Standard test methods that reference this practice need contain only special modifications and exceptions.  
4.3 All who use these procedures should be trained samplers capable of performing common sampling operations skillfully and safely. Only proper sampling equipment should be used.
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1.1 This practice covers the sampling of all grades of steel, both cast and wrought, and all types (grades) of cast irons and blast furnace iron for chemical and spectrochemical determination of composition. This practice is similar to ISO 14284.  
1.2 This practice is divided into the following sections.    
Sections  
Requirements for Sampling and Sample Preparation  
6  
General  
6.1  
Sample  
6.2  
Selection of a Sample  
6.3  
Preparation of a Sample  
6.4  
Liquid Iron for Steelmaking and Pig Iron Production  
7  
General  
7.1  
Spoon Sampling  
7.2  
Probe Sampling  
7.3  
Preparation of a Sample for Analysis  
7.4  
Liquid Iron for Cast Iron Production  
8  
General  
8.1  
Spoon Sampling  
8.2  
Probe Sampling  
8.3  
Preparation of a Sample for Analysis  
8.4  
Sampling and Sample Preparation for the Determination of  
8.5  
Oxygen and Hydrogen  
Liquid Steel for Steel Production  
9  
General  
9.1  
Probe Sampling  
9.2  
Spoon Sampling  
9.3  
Preparation of a Sample for Analysis  
9.4  
Sampling and Sample Preparation for the Determination  
9.5  
of Oxygen  
Sampling and Sample Preparation for the Determination  
9.6  
of Hydrogen  
Pig Irons  
10  
General  
10.1  
Increment Sampling  
10.2  
Preparation of a Sample for Analysis  
10.3  
Cast Iron Products  
11  
General  
11.1  
Sampling and Sample Preparation  
11.2  
Sections  
Steel Products  
12  
General  
12.1  
Selection of a Laboratory Sample or a Sample for  
12.2  
Analysis from a Cast Product  
Selection of a Laboratory Sample or a Sample for  
12.3  
Analysis from a Wrought Product  
Preparation of a Sample for Analysis  
12.4  
Sampling of Leaded Steel  
12.5  
Sampling and Sample Preparation for the Determination  
12.6  
of Oxygen  
Sampling and Sample Preparation for the Determination  
12.7  
of Hydrogen  
Keywords  
13  
Annexes  
Sampling Probes for Use with Liquid Iron and Steel  
Annex A1  
Sampling Probes for Use with Liquid Steel for the  
Annex A2  
Determination of Hydrogen  
1.3 The values stated in SI units are regarded as standard. No other units of measurement are included in this standard.  
1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific statements, see 6.4.3.5, 9.4.4.3, 12.5.1, and Section 5.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM E1999-23(Test Method)
Standard Test Method for Analysis of Cast Iron by Spark Atomic Emission Spectrometry

SIGNIFICANCE AND USE
5.1 The chemical composition of cast iron alloys shall be determined accurately in order to ensure the desired metallurgical properties. This procedure is suitable for manufacturing control and inspection testing.
SCOPE
1.1 This test method covers the analysis of cast iron by spark atomic emission spectrometry for the following elements in the ranges shown (Note 1):
Ranges, %  
Elements  
Applicable Range, %  
Quantitative Range, %A  
Carbon  
1.9 to 3.8  
1.90 to 3.8  
Chromium  
0 to 2.0  
0.025 to 2.0  
Copper  
0 to 0.75  
0.015 to 0.75  
Manganese  
0 to 1.8  
0.03 to 1.8  
Molybdenum  
0 to 1.2  
0.01 to 1.2  
Nickel  
0 to 2.0  
0.02 to 2.0  
Phosphorus  
0 to 0.4  
0.005 to 0.4  
Silicon  
0 to 2.5  
0.15 to 2.5  
Sulfur  
0 to 0.08  
0.01 to 0.08  
Tin  
0 to 0.14  
0.004 to 0.14  
Titanium  
0 to 0.12  
0.003 to 0.12  
Vanadium  
0 to 0.22  
0.008 to 0.22
Note 1: The ranges of the elements listed have been established through cooperative testing of reference materials. These ranges can be extended by the use of suitable reference materials.  
1.2 This test method covers analysis of specimens having a diameter adequate to overlap the bore of the spark stand opening (to effect an argon seal). The specimen thickness should be sufficient to prevent overheating during excitation. A heat sink backing may be used. The maximum thickness is limited only by the height that the stand will permit.  
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Standard Guide for Elemental Analysis by Wavelength Dispersive X-Ray Fluorescence Spectrometry

SIGNIFICANCE AND USE
5.1 X-ray fluorescence spectrometry can provide an accurate determination of metallic and many non-metallic elements in a wide variety of solid and liquid materials. This guide covers the information that should be included in an X-ray spectrometric analytical method and provides direction to the user for determining the optimum conditions needed to achieve acceptable accuracy.  
5.2 The accuracy of a determination is a function of the calibration algorithm, the sample preparation, and the sample homogeneity. Close attention to all aspects of these areas is necessary to achieve acceptable results.  
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Standard Guide for Validating Analytical Methods

SIGNIFICANCE AND USE
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4.3 The use of multiple validation techniques described in this guide increases confidence in the validity or application of the method.  
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1.3 The suggested approaches in this guide may also be used to validate the implementation of standard test methods used routinely by laboratories of the mining, ore processing, and metals industry.  
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ASTM E2371-21a(Test Method)
Standard Test Method for Analysis of Titanium and Titanium Alloys by Direct Current Plasma and Inductively Coupled Plasma Atomic Emission Spectrometry (Performance-Based Test Methodology)

SIGNIFICANCE AND USE
5.1 This test method for the chemical analysis of titanium and titanium alloys is primarily intended to test material for compliance with specifications of chemical composition such as those under the jurisdiction of ASTM Committee B10. It may also be used to test compliance with other specifications that are compatible with the test method.  
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1.1 This method describes the analysis of titanium and titanium alloys, such as specified by committee B10, by inductively coupled plasma atomic emission spectrometry (ICP-AES) and direct current plasma atomic emission spectrometry (DCP-AES) for the following elements:    
Element  
Application
Range (wt.%)  
Quantitative
Range (wt.%)  
Aluminum  
0–8  
0.009 to 8.0  
Boron  
0–0.04  
0.0008 to 0.01  
Cobalt  
0-1  
0.006 to 0.1  
Chromium  
0–5  
0.005 to 4.0  
Copper  
0–0.6  
0.004 to 0.5  
Iron  
0–3  
0.004 to 3.0  
Manganese  
0–0.04  
0.003 to 0.01  
Molybdenum  
0–8  
0.004 to 6.0  
Nickel  
0–1  
0.001 to 1.0  
Niobium  
0-6  
0.008 to 0.1  
Palladium  
0-0.3  
0.02 to 0.20  
Ruthenium  
0-0.5  
0.004 to 0.10  
Silicon  
0–0.5  
0.02 to 0.4  
Tantalum  
0-1  
0.01 to 0.10  
Tin  
0–4  
0.02 to 3.0  
Tungsten  
0-5  
0.01 to 0.10  
Vanadium  
0–15  
0.01 to 15.0  
Yttrium  
0–0.04  
0.001 to 0.004  
Zirconium  
0–5  
0.003 to 4.0  
1.2 This test method has been interlaboratory tested for the elements and ranges specified in the quantitative range part of the table in 1.1. It may be possible to extend this test method to other elements or broader mass fraction ranges as shown in the application range part of the table above provided that test method validation is performed that includes evaluation of method sensitivity, precision, and bias. Additionally, the validation study shall evaluate the acceptability of sample preparation methodology using reference materials or spike recoveries, or both. Guide E2857 provides information on validation of analytical methods for alloy analysis.  
1.3 Because of the lack of certified reference materials (CRMs) containing bismuth, hafnium, and magnesium, these elements were not included in the scope or the interlaboratory study (ILS). It may be possible to extend the scope of this test method to include these elements provided that method validation includes the evaluation of method sensitivity, precision, and bias during the development of the testing method.  
1.4 Units—The values stated in SI units are to be regarded as the standard. No other units of measurement are included in this standard.  
1.5 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific safety hazards statements are given in Section 9.  
1.6 This international standard was developed in accordance with internationally recognized principle...

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ASTM E1898-21(Test Method)
Standard Test Method for Determination of Silver in Copper Concentrates by Flame Atomic Absorption Spectrometry

SIGNIFICANCE AND USE
5.1 In the primary metallurgical processes used by the mineral processing industry for copper bearing ores, copper and silver associated with sulfide mineralization are concentrated by the process of flotation for recovery of the metals.  
5.2 This test method is a comparative method and is intended to be a referee method for compliance with compositional specifications for metal content or to monitor processes.  
5.3 It is assumed that all who use this method will be trained analysts capable of performing 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 E882.
SCOPE
1.1 This test method covers the determination of silver in the range of 13 μg/g to 500 μg/g by acid dissolution of the silver and measurement by atomic absorption spectrometry. Copper concentrates are internationally traded within the following content ranges:    
Element  
Unit  
Content Range  
Aluminum  
%  
0.05  
to  
2.50  
Antimony  
%  
0.0001  
to  
4.50  
Arsenic  
%  
0.01  
to  
0.50  
Barium  
%  
0.003  
to  
0.10  
Bismuth  
%  
0.001  
to  
0.16  
Cadmium  
%  
0.0005  
to  
0.04  
Calcium  
%  
0.05  
to  
4.00  
Carbon  
%  
0.10  
to  
0.90  
Chlorine  
%  
0.001  
to  
0.006  
Chromium  
%  
0.0001  
to  
0.10  
Cobalt  
%  
0.0005  
to  
0.20  
Copper  
%  
10.0  
to  
44.0  
Fluorine  
%  
0.001  
to  
0.10  
Gold  
μg/g  
1.40  
to  
100.0  
Iron  
%  
12.0  
to  
30.0  
Lead  
%  
0.01  
to  
1.40  
Magnesium  
%  
0.02  
to  
2.00  
Manganese  
%  
0.009  
to  
0.10  
Mercury  
μg/g  
0.05  
to  
50.0  
Molybdenum  
%  
0.002  
to  
0.25  
Nickel  
%  
0.0001  
to  
0.08  
Silicon  
%  
0.40  
to  
20.0  
Silver  
μg/g  
18.0  
to  
8000  
Sulfur  
%  
10.0  
to  
36.0  
Tin  
%  
0.004  
to  
0.012  
Zinc  
%  
0.005  
to  
4.30  
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM E1805-21(Test Method)
Standard Test Method for Determination of Gold in Copper Concentrates by Fire Assay Gravimetry

SIGNIFICANCE AND USE
5.1 In the metallurgical process used in the mining industries, gold is often carried along with copper during the flotation concentration process. Metallurgical accounting, process control, and concentrate evaluation procedures for this type of material depend on an accurate, precise measurement of the gold in the copper concentrate. This test method is intended to be a reference method for metallurgical laboratories and a referee method to settle disputes in commercial transactions. It is also a definitive method intended to test materials for compliance with compositional specifications and to provide data for certification of reference materials. It is essential that each performance of the method be validated by applying it to appropriate reference materials at the same time and in the same manner as it is applied to the unknowns.  
5.2 It is assumed that all who use this test method will be trained analysts capable of performing skillfully and safely. It is expected that the work will be performed in a properly equipped laboratory under appropriate quality control practices such as those described in Guide E882.
SCOPE
1.1 This test method is for the determination of gold in copper concentrates in the content range from 0.2 μg/g to 17 μg/g.
Note 1: The lower scope limit is set in accordance with Practice E1601.  
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific warning statements, see 11.3.1, 11.5.4, and 11.6.5.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM E508-21(Test Method)
Standard Test Method for Determination of Calcium and Magnesium in Iron Ores by Flame Atomic Absorption Spectrometry

SIGNIFICANCE AND USE
5.1 This test method is intended as a referee method for compliance with compositional specifications for impurity content. It is assumed that all who use this procedure will be trained analysts capable of performing common laboratory practices 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 E882.
SCOPE
1.1 This test method covers the determination of calcium and magnesium in iron ores, concentrates, and agglomerates in the mass fraction (%) range from 0.05 % to 5 % of calcium and 0.05 % to 3 % of magnesium.  
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM E507-21(Test Method)
Standard Test Method for Determination of Aluminum in Iron Ores by Flame Atomic Absorption Spectrometry

SIGNIFICANCE AND USE
5.1 This test method is intended as a referee method for compliance with compositional specifications for impurity content. It is assumed that all who use this procedure will be trained analysts capable of performing common laboratory practices 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 E882.
SCOPE
1.1 This test method covers the determination of aluminum in iron ores, concentrates, and agglomerates in the mass fraction (%) range from 0.1 to 5.  
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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  • Standard
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