ASTM D7365-09
(Practice)Standard Practice for Sampling, Preservation and Mitigating Interferences in Water Samples for Analysis of Cyanide
Standard Practice for Sampling, Preservation and Mitigating Interferences in Water Samples for Analysis of Cyanide
SIGNIFICANCE AND USE
Cyanide is routinely analyzed in water samples, often to demonstrate regulatory compliance; however, improper sample collection or pretreatment can result in significant positive or negative bias potentially resulting in unnecessary permit violations or undetected cyanide releases into the environment.
SCOPE
1.1 This practice is applicable for the collection and preservation of water samples for the analysis of cyanide. This practice addresses the mitigation of known interferences prior to the analysis of cyanide. Responsibilities of field sampling personnel and the laboratory are indicated.
1.2 The sampling, preservation and mitigation of interference procedures described in this practice are recommended for the analysis of total cyanide, available cyanide, weak acid dissociable cyanide, and free cyanide by Test Methods D 2036, D 4282, D 4374, D 6888, D 6994, D 7237, D 7284, and D 7511. The information supplied in this practice can also be applied to other analytical methods for cyanide, for example, EPA Method 335.4.
1.3 The values stated in SI units are to be 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 and health practices and determine the applicability of regulatory limitations prior to use.
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Designation:D7365–09
Standard Practice for
Sampling, Preservation and Mitigating Interferences in
1
Water Samples for Analysis of Cyanide
This standard is issued under the fixed designation D 7365; 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 Water and Wastewater by Microdiffusion
D 4374 Test Methods for Cyanides in Water—Automated
1.1 This practice is applicable for the collection and pres-
Methods for Total Cyanide, Weak Acid Dissociable Cya-
ervation of water samples for the analysis of cyanide. This
nide, and Thiocyanate
practice addresses the mitigation of known interferences prior
D 4411 Guide for Sampling Fluvial Sediment in Motion
to the analysis of cyanide. Responsibilities of field sampling
D 4840 Guide for Sample Chain-of-Custody Procedures
personnel and the laboratory are indicated.
D 4841 Practice for Estimation of Holding Time for Water
1.2 The sampling, preservation and mitigation of interfer-
Samples Containing Organic and Inorganic Constituents
ence procedures described in this practice are recommended
D 5847 Practice for Writing Quality Control Specifications
for the analysis of total cyanide, available cyanide, weak acid
for Standard Test Methods for Water Analysis
dissociable cyanide, and free cyanide byTest Methods D 2036,
D 6888 Test Method for Available Cyanide with Ligand
D 4282, D 4374, D 6888, D 6994, D 7237, D 7284, and
Displacement and Flow InjectionAnalysis (FIA) Utilizing
D 7511. The information supplied in this practice can also be
Gas Diffusion Separation and Amperometric Detection
applied to other analytical methods for cyanide, for example,
D 6994 Test Method for Determination of Metal Cyanide
EPA Method 335.4.
Complexes in Wastewater, Surface Water, Groundwater
1.3 The values stated in SI units are to be regarded as
and Drinking Water UsingAnion Exchange Chromatogra-
standard. No other units of measurement are included in this
phy with UV Detection
standard.
D 6696 Guide for Understanding Cyanide Species
1.4 This standard does not purport to address all of the
D 7237 Test Method for Aquatic Free Cyanide with Flow
safety concerns, if any, associated with its use. It is the
Injection Analysis (FIA) Utilizing Gas Diffusion Separa-
responsibility of the user of this standard to establish appro-
tion and Amperometric Detection
priate safety and health practices and determine the applica-
D 7284 Test Method for Total Cyanide in Water by Micro
bility of regulatory limitations prior to use.
Distillation followed by Flow InjectionAnalysis with Gas
2. Referenced Documents
Diffusion Separation and Amperometric Detection
2
D 7511 Total Cyanide by Segmented Flow InjectionAnaly-
2.1 ASTM Standards:
sis, In-Line Ultraviolet Digestion and Amperometric De-
D 1129 Terminology Relating to Water
tection
D 1193 Specification for Reagent Water
3
2.2 U.S. EPA Methods:
D 2036 Test Methods for Cyanides in Water
EPA OIA-1677
D 3370 PracticesforSamplingWaterfromClosedConduits
EPA Method 335.2
D 3694 Practices for Preparation of Sample Containers and
EPA Method 335.4
for Preservation of Organic Constituents
4
2.3 APHA Standard:
D 3856 Guide for Good Laboratory Practices in Laborato-
Standard Methods 4500-CN Methods C, D, E, F, G, and I
ries Engaged in Sampling and Analysis of Water
5
2.4 USGS Methods:
D 4282 Test Method for Determination of Free Cyanide in
USGS I-3300-85
1
This practice is under the jurisdiction ofASTM Committee D19 on Water and
3
is the direct responsibility of Subcommittee D19.06 on Methods for Analysis for Available from United States Environmental Protection Agency (EPA), Ariel
Organic Substances in Water. Rios Bldg., 1200 Pennsylvania Ave., NW, Washington, DC 20460, http://
Current edition approved Feb. 15, 2009. Published March 2009. Originally www.epa.gov.
4
approved in 2007. Last previous edition approved in 2007 as D 7365 – 07. Standard Methods for the Examination of Water and Wastewater, 21st edition
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or (2005),AmericanPublicHealthAssociation(APHA),800IStreet,NWWashington,
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM DC 20001, www.apha.org.
5
Standards volume information, refer to the standard’s Document Summary page on Available from United States Geological Survey, 12201 Sunrise Valley Drive,
the ASTM website. Reston, VA, 20192, www.usgs.gov.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D7365–09
USGS I-4302-85 6.8 Sodium Hydro
...
This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:D7365–07 Designation:D7365–09
Standard Practice for
Sampling, Preservation and Mitigating Interferences in
1
Water Samples for Analysis of Cyanide
This standard is issued under the fixed designation D 7365; 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
1.1 Thispracticeisapplicableforthecollectionandpreservationofwatersamplesfortheanalysisofcyanide.Thispracticealso
addresses the mitigation of known interferences prior to the analysis of cyanide. Responsibilities of field sampling personnel and
the laboratory are indicated.
1.2 The sampling, preservation and mitigation of interference procedures described in this practice are recommended for the
analysis of total cyanide, available cyanide, weak acid dissociable cyanide, and free cyanide by Test Methods D 2036, D 4282,
D 4374, D 6888, D 6994, and D7237. This practice can also be applied to other cyanide methods, for example, US EPA Method
-
335.4 and Standard Methods 4500-CN C, D 7237, D 7284, and D 7511. The information supplied in this practice can also be
applied to other analytical methods for cyanide, for example, EPA Method 335.4.
1.3 The values stated in SI units are to be 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 and health practices and determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
2
2.1 ASTM Standards:
D 1129 Terminology Relating to Water
D 1193 Specification for Reagent Water D1293Test Methods for pH of Water
D 2036 Test Methods for Cyanides in Water
D 3370 Practices for Sampling Water from Closed Conduits
D 3694 Practices for Preparation of Sample Containers and for Preservation of Organic Constituents
D 3856 Guide for Good Laboratory Practices in Laboratories Engaged in Sampling and Analysis of Water
D 4282 Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
D 4374 Test Methods for Cyanides in WaterAutomated Methods for Total Cyanide, Weak Acid Dissociable Cyanide, and
Thiocyanate
D 4411 Guide for Sampling Fluvial Sediment in Motion
D 4840 Guide for Sample Chain-of-Custody Procedures
D 4841 Practice for Estimation of Holding Time for Water Samples Containing Organic and Inorganic Constituents
D 5847 Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis
D 6888 Test Method for Available Cyanide with Ligand Displacement and Flow Injection Analysis (FIA) Utilizing Gas
Diffusion Separation and Amperometric Detection
D 6994 Test Method for Determination of Metal Cyanide Complexes inWastewater, SurfaceWater, Groundwater and Drinking
Water Using Anion Exchange Chromatography with UV Detection
D 6696 Guide for Understanding Cyanide Species
D 7237 Test Method for Aquatic Free Cyanide with Flow Injection Analysis (FIA) Utilizing Gas Diffusion Separation and
Amperometric Detection Test Method for Aquatic Free Cyanide with Flow Injection Analysis (FIA) Utilizing Gas Diffusion
Separation and Amperometric Detection
1
This practice is under the jurisdiction ofASTM Committee D19 on Water and is the direct responsibility of Subcommittee D19.06 on Methods forAnalysis for Organic
Substances in Water.
Current edition approved Aug. 1, 2007. Published August 2007.
Current edition approved Feb. 15, 2009. Published March 2009. Originally approved in 2007. Last previous edition approved in 2007 as D 7365 – 07.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book ofASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
---------------------- Page: 1 ----------------------
D7365–09
D 7284 Test Method for Total Cyanide in Water by Micro Distillation followed by Flow InjectionAnalysis with Gas Diffusion
Separation and Amperometric Detection
D 7511 Total Cyanide by Segmented Flow Injection Analysis, In-Line Ultraviolet Digestion and Amperometric Detection
3
2.2 U.S. EPA Meth
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