ASTM D888-18
(Test Method)Standard Test Methods for Dissolved Oxygen in Water
Standard Test Methods for Dissolved Oxygen in Water
SIGNIFICANCE AND USE
4.1 Dissolved oxygen is required for the survival and growth of many aquatic organisms, including fish. The concentration of dissolved oxygen may also be associated with corrosivity and photosynthetic activity. The absence of oxygen may permit anaerobic decay of organic matter and the production of toxic and undesirable esthetic materials in the water.
SCOPE
1.1 These test methods cover the determination of dissolved oxygen in water. Three test methods are given as follows:
Range, mg/L
Sections
Test Method A—Titrimetric Procedure–High Level
>1.0
8 – 15
Test Method B—Instrumental Probe Procedure—Electrochemical
0.05 to 20
16 – 25
Test Method C—Instrumental Probe Procedure—Luminescence-Based Sensor
0.05 to 20
26 – 31
1.2 The precision of Test Methods A and B was carried out using a saturated sample of reagent water. It is the user's responsibility to ensure the validity of the test methods for waters of untested matrices.
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For a specific precautionary statements, see 7.1 and Note 17.
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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Standards Content (Sample)
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: D888 − 18
Standard Test Methods for
1
Dissolved Oxygen in Water
This standard is issued under the fixed designation D888; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope* D1129Terminology Relating to Water
D1193Specification for Reagent Water
1.1 Thesetestmethodscoverthedeterminationofdissolved
D2777Practice for Determination of Precision and Bias of
oxygen in water. Three test methods are given as follows:
Applicable Test Methods of Committee D19 on Water
Range, mg/L Sections
D3370Practices for Sampling Water from Closed Conduits
Test Method A—Titrimetric >1.0 8–15
Procedure–High Level D5847Practice for Writing Quality Control Specifications
Test Method B—Instrumental Probe 0.05 to 20 16–25
for Standard Test Methods for Water Analysis
Procedure—Electrochemical
E200Practice for Preparation, Standardization, and Storage
Test Method C—Instrumental Probe 0.05 to 20 26–31
Procedure—Luminescence-Based of Standard and Reagent Solutions for ChemicalAnalysis
Sensor
1.2 The precision of Test MethodsAand B was carried out
3. Terminology
using a saturated sample of reagent water. It is the user’s
3.1 Definitions:
responsibility to ensure the validity of the test methods for
3.1.1 For definitions of terms used in this standard, refer to
waters of untested matrices.
Terminology D1129.
1.3 The values stated in SI units are to be regarded as
3.2 Definitions of Terms Specific to This Standard:
standard. No other units of measurement are included in this
3.2.1 amperometric systems, n—those instrumental probes
standard.
that involve the generation of an electrical current from which
1.4 This standard does not purport to address all of the
the final measurement is derived.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro- 3.2.2 instrumental probes, n—devices used to penetrate and
priate safety, health, and environmental practices and deter- examineasystemforthepurposeofrelayinginformationonits
mine the applicability of regulatory limitations prior to use. properties or composition.
For a specific precautionary statements, see 7.1 and Note 17.
3.2.2.1 Discussion—The term probe is used in these test
1.5 This international standard was developed in accor-
methods to signify the entire sensor assembly, including
dance with internationally recognized principles on standard-
electrodes, electrolyte, membrane, materials of fabrications,
ization established in the Decision on Principles for the
and so on.
Development of International Standards, Guides and Recom-
3.2.3 potentiometric systems, n—those instrumental probes
mendations issued by the World Trade Organization Technical
inwhichanelectricalpotentialisgeneratedandfromwhichthe
Barriers to Trade (TBT) Committee.
final measurement is derived.
2. Referenced Documents
4. Significance and Use
2
2.1 ASTM Standards:
4.1 Dissolved oxygen is required for the survival and
D1066Practice for Sampling Steam
growth of many aquatic organisms, including fish. The con-
centration of dissolved oxygen may also be associated with
1
These test methods are under the jurisdiction of ASTM Committee D19 on
corrosivity and photosynthetic activity.The absence of oxygen
Water and are the direct responsibility of Subcommittee D19.05 on Inorganic
Constituents in Water. may permit anaerobic decay of organic matter and the produc-
Current edition approved May 1, 2018. Published May 2018. Originally
tion of toxic and undesirable esthetic materials in the water.
ɛ1
approved in 1946. Last previous edition approved in 2012 as D888–12 . DOI:
10.1520/D0888-18.
2
5. Purity of Reagents
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
5.1 Purity of Reagents—Reagent grade chemicals shall be
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. used in all tests. Unless otherwise indicated, it is intended that
*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 ----------------------
D888 − 18
all reagents shall conform to the specifications of the Commit- through a tube extending to the bot
...
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.
´1
Designation: D888 − 12 D888 − 18
Standard Test Methods for
1
Dissolved Oxygen in Water
This standard is issued under the fixed designation D888; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1
ε NOTE—Table X2.1 was corrected and the Summary of Changes was added editorially in July 2013.
1. Scope*
1.1 These test methods cover the determination of dissolved oxygen in water. Three test methods are given as follows:
Range, mg/L Sections
Test Method A—Titrimetric Procedure– >1.0 8 to 15
High Level
Test Method A—Titrimetric Procedure–High >1.0 8 – 15
Level
Test Method B—Instrumental Probe Procedure— 0.05 to 20 16 to 25
Electrochemical
Test Method B—Instrumental Probe Procedure—Electrochemical 0.05 to 20 16 – 25
Test Method C—Instrumental Probe Procedure— 0.05 to 20 26 to 29
Luminescence-Based Sensor
Test Method C—Instrumental Probe Procedure—Luminescence-Based 0.05 to 20 26 – 31
Sensor
1.2 The precision of Test Methods A and B was carried out using a saturated sample of reagent water. It is the user’s
responsibility to ensure the validity of the test methods for waters of untested matrices.
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 safety, health, and healthenvironmental practices and determine the
applicability of regulatory limitations prior to use. For a specific precautionary statement,statements, see 7.1 and Note 17.
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.
2. Referenced Documents
2
2.1 ASTM Standards:
D1066 Practice for Sampling Steam
D1129 Terminology Relating to Water
D1193 Specification for Reagent Water
D2777 Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water
D3370 Practices for Sampling Water from Closed Conduits
D5847 Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis
E200 Practice for Preparation, Standardization, and Storage of Standard and Reagent Solutions for Chemical Analysis
3. Terminology
3.1 Definitions—Definitions: For definitions of terms used in these test methods, refer to Terminology D1129.
3.1.1 For definitions of terms used in this standard, refer to Terminology D1129.
1
These test methods are under the jurisdiction of ASTM Committee D19 on Water and are the direct responsibility of Subcommittee D19.05 on Inorganic Constituents
in Water.
Current edition approved March 1, 2012May 1, 2018. Published March 2012May 2018. Originally approved in 1946. Last previous edition approved in 20092012 as
ɛ1
D888 – 09.D888 – 12 . DOI: 10.1520/D0888-12E01.10.1520/D0888-18.
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 ----------------------
D888 − 18
3.2 Definitions of Terms Specific to This Standard:
3.2.1 amperometric systems, n—those instrumental probes that involve the generation of an electrical current from which the
final measurement is derived.
3.2.2 instrumental probes, n—devices used to penetrate and examine a system for the purpose of relaying information on its
properties or composition.
3.2.2.1 Discussion—
The term probe is used in these test methods to signify the entire sensor assembly, including electrodes, electrolyte, membrane,
materials of fabrications, and so on.
3.2.3 potentiometric systems, n—those instrumental probes in which an electrical potential is generate
...
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