ASTM D4309-18
(Practice)Standard Practice for Sample Digestion Using Closed Vessel Microwave Heating Technique for the Determination of Total Metals in Water
Standard Practice for Sample Digestion Using Closed Vessel Microwave Heating Technique for the Determination of Total Metals in Water
SIGNIFICANCE AND USE
5.1 The analysis of many types of water for metals using flame atomic absorption spectrophotometry, inductively coupled plasma emission spectrophotometry, direct current plasma emission spectrophotometry, or graphite furnace atomic absorption spectrophotometry necessitates the use of a digestion practice in order to ensure the proper statistical recovery of the metals from the sample matrix. The use of closed vessel microwave techniques will speed the complete recovery of metals from the water matrices and eliminate sample contamination from external sources.
SCOPE
1.1 This practice covers the general considerations for quantitative sample digestion for total metals in water using closed vessel microwave heating technique. This practice is applicable to surface, saline, domestic, and industrial wastewater.
1.2 Because of the differences among various makes and models of satisfactory instruments, no detailed operating instructions can be provided. Instead, the analyst should follow the instructions provided by the manufacturer of the particular instrument.
1.3 This practice can be used with the following ASTM standards, providing the user determines precision and bias based on this digestion practice: Test Method D857, Test Methods D858, Test Methods D1068, Test Methods D1687, Test Methods D1688, Test Methods D1691, Test Methods D1886, Test Method D1976, Practices D3370, Test Methods D3557, Test Methods D3559, Practice D3919, Test Method D4190, Practice D4453, Practice D4691, and Test Method D5673.
1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversion to inch-pound units that are provided for information only and are not considered 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. For specific hazard statements, see Section 9.
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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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.
Designation: D4309 − 18
Standard Practice for
Sample Digestion Using Closed Vessel Microwave Heating
1
Technique for the Determination of Total Metals in Water
This standard is issued under the fixed designation D4309; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
1.1 This practice covers the general considerations for
quantitative sample digestion for total metals in water using
2. Referenced Documents
closed vessel microwave heating technique. This practice is
2
applicable to surface, saline, domestic, and industrial waste- 2.1 ASTM Standards:
water. D857Test Method for Aluminum in Water
D858Test Methods for Manganese in Water
1.2 Because of the differences among various makes and
D1068Test Methods for Iron in Water
models of satisfactory instruments, no detailed operating in-
D1129Terminology Relating to Water
structions can be provided. Instead, the analyst should follow
D1193Specification for Reagent Water
the instructions provided by the manufacturer of the particular
D1687Test Methods for Chromium in Water
instrument.
D1688Test Methods for Copper in Water
1.3 This practice can be used with the following ASTM
D1691Test Methods for Zinc in Water
standards, providing the user determines precision and bias
D1886Test Methods for Nickel in Water
based on this digestion practice: Test Method D857, Test
D1976Test Method for Elements in Water by Inductively-
Methods D858, Test Methods D1068, Test Methods D1687,
Coupled Argon Plasma Atomic Emission Spectroscopy
Test Methods D1688, Test Methods D1691, Test Methods
D3370Practices for Sampling Water from Closed Conduits
D1886, Test Method D1976, Practices D3370, Test Methods
D3557Test Methods for Cadmium in Water
D3557, Test Methods D3559, Practice D3919, Test Method
D3559Test Methods for Lead in Water
D4190, Practice D4453, Practice D4691, and Test Method
D3856Guide for Management Systems in Laboratories
D5673.
Engaged in Analysis of Water
1.4 The values stated in SI units are to be regarded as D3919Practice for Measuring Trace Elements in Water by
Graphite Furnace Atomic Absorption Spectrophotometry
standard. The values given in parentheses are mathematical
conversion to inch-pound units that are provided for informa- D4190TestMethodforElementsinWaterbyDirect-Current
Plasma Atomic Emission Spectroscopy
tion only and are not considered standard.
D4453Practice for Handling of High Purity Water Samples
1.5 This standard does not purport to address all of the
D4691Practice for Measuring Elements in Water by Flame
safety concerns, if any, associated with its use. It is the
Atomic Absorption Spectrophotometry
responsibility of the user of this standard to establish appro-
D5673Test Method for Elements in Water by Inductively
priate safety, health, and environmental practices and deter-
Coupled Plasma—Mass Spectrometry
mine the applicability of regulatory limitations prior to use.
3
For specific hazard statements, see Section 9. 2.2 U.S. Code of Federal Regulations:
1.6 This international standard was developed in accor- CFR 1.030.10Code of Federal Regulations, Volume 21
3
dance with internationally recognized principles on standard-
2.3 Federal Communications Commission Standard:
ization established in the Decision on Principles for the
Code of Federal Regulations,Volume 47, FCC Rule Part 18
Development of International Standards, Guides and Recom-
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
1
This practice is under the jurisdiction ofASTM Committee D19 on Water and contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
is the direct responsibility of Subcommittee D19.05 on Inorganic Constituents in Standards volume information, refer to the standard’s Document Summary page on
Water. the ASTM website.
3
Current edition approved Feb. 1, 2018. Published May 2018. Originally Available from U.S. Government Printing Office, Superintendent of
approved in 1991. Last previous edition approved in 2012 as D4309–12. DOI: Documents, 732 N. Capitol St., NW, Washington, DC 20401-0001, http://
10.1520/D4309-18. www.access.gpo.gov.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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D
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This document is not an ASTM standard and is intended only to provide the user of an ASTM 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: D4309 − 12 D4309 − 18
Standard Practice for
Sample Digestion Using Closed Vessel Microwave Heating
1
Technique for the Determination of Total Metals in Water
This standard is issued under the fixed designation D4309; 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 This practice covers the general considerations for quantitative sample digestion for total metals in water using closed vessel
microwave heating technique. This practice is applicable to surface, saline, domestic, and industrial wastewater.
1.2 Because of the differences among various makes and models of satisfactory instruments, no detailed operating instructions
can be provided. Instead, the analyst should follow the instructions provided by the manufacturer of the particular instrument.
1.3 This practice can be used with the following ASTM standards, providing the user determines precision and bias based on
this digestion practice: Test Method D857, Test Methods D858, Test Methods D1068, Test Methods D1687, Test Methods D1688,
Test Methods D1691, Test Methods D1886, Test Method D1976, Practices D3370, Test Methods D3557, Test Methods D3559,
Practice D3919, Test Method D4190, Practice D4453, Practice D4691, and Test Method D5673.
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this The values
given in parentheses are mathematical conversion to inch-pound units that are provided for information only and are not considered
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 safety, health, and healthenvironmental practices and determine the
applicability of regulatory limitations prior to use. For specific hazard statements, see Section 9.
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.
2. Referenced Documents
2
2.1 ASTM Standards:
D857 Test Method for Aluminum in Water
D858 Test Methods for Manganese in Water
D1068 Test Methods for Iron in Water
D1129 Terminology Relating to Water
D1193 Specification for Reagent Water
D1687 Test Methods for Chromium in Water
D1688 Test Methods for Copper in Water
D1691 Test Methods for Zinc in Water
D1886 Test Methods for Nickel in Water
D1976 Test Method for Elements in Water by Inductively-Coupled Argon Plasma Atomic Emission Spectroscopy
D3370 Practices for Sampling Water from Closed Conduits
D3557 Test Methods for Cadmium in Water
D3559 Test Methods for Lead in Water
D3856 Guide for Management Systems in Laboratories Engaged in Analysis of Water
D3919 Practice for Measuring Trace Elements in Water by Graphite Furnace Atomic Absorption Spectrophotometry
1
This practice is under the jurisdiction of ASTM Committee D19 on Water and is the direct responsibility of Subcommittee D19.05 on Inorganic Constituents in Water.
Current edition approved March 1, 2012Feb. 1, 2018. Published March 2012May 2018. Originally approved in 1991. Last previous edition approved in 20072012 as
D4309 – 02 (2007).D4309 – 12. DOI: 10.1520/D4309-12.10.1520/D4309-18.
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 Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D4309 − 18
D4190 Test Method for Elements in Water by Direct-Current Plasma Atomic Emission Spectroscopy
D4453 Practice for Handling of High Purity Water Samples
D4691 Practice for Measuring Elements in Water by Flame Atomic Absorption Spectrophotometry
D5673 Test Method for Elements in Water by Inductively Coupled Plasma—Mass Spectrometry
3
2.2 U.S. Code of Federal Regulations:
CFR 1.030.10 Code of Federal Re
...
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