ASTM D3082-15
(Test Method)Standard Test Method for Boron in Water
Standard Test Method for Boron in Water
SIGNIFICANCE AND USE
5.1 Because boron can be both essential and deleterious to plant growth, and because ingestion of large amounts can affect the central nervous system in humans, a method is required to determine its concentration in potable, natural, and wastewaters. This test method provides a means of determining the boron concentration of these waters. The holding time for the samples may be calculated in accordance with Practice D4841.
5.2 Boric acid is used for chemical shim control of neutron flux in a nuclear reactor. This test method serves to determine if the boron concentration is within acceptable limits.
SCOPE
1.1 This test method covers the determination of boron in water and wastewaters by the curcumin colorimetric-extraction method2 in concentrations between 0.1 and 1.0 mg/L. The range can be extended by dilution of the sample.
1.2 Only dissolved boron is determined. This test method requires that the water sample be filtered through a 0.45-μm membrane filter before analysis.
1.3 This test method is a colorimetric method that is very sensitive to low concentrations of boron in water and requires a relatively small sample volume for analysis.
1.4 Precision and bias were obtained on natural and wastewaters. It is the user's responsibility to ensure the validity of this test method for waters of untested matrices.
1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.6 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.
General Information
Relations
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: D3082 − 15
Standard Test Method for
1
Boron in Water
This standard is issued under the fixed designation D3082; 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* D3370 Practices for Sampling Water from Closed Conduits
D4841 Practice for Estimation of Holding Time for Water
1.1 This test method covers the determination of boron in
Samples Containing Organic and Inorganic Constituents
waterandwastewatersbythecurcumincolorimetric-extraction
2 D5810 Guide for Spiking into Aqueous Samples
method in concentrations between 0.1 and 1.0 mg/L. The
D5847 Practice for Writing Quality Control Specifications
range can be extended by dilution of the sample.
for Standard Test Methods for Water Analysis
1.2 Only dissolved boron is determined. This test method
E60 Practice for Analysis of Metals, Ores, and Related
requires that the water sample be filtered through a 0.45-µm
Materials by Spectrophotometry
membrane filter before analysis.
E2251 Specification for Liquid-in-Glass ASTM Thermom-
eters with Low-Hazard Precision Liquids
1.3 This test method is a colorimetric method that is very
sensitive to low concentrations of boron in water and requires E275 Practice for Describing and Measuring Performance of
Ultraviolet and Visible Spectrophotometers
a relatively small sample volume for analysis.
1.4 Precision and bias were obtained on natural and waste-
3. Terminology
waters. It is the user’s responsibility to ensure the validity of
3.1 Definitions:
this test method for waters of untested matrices.
3.1.1 For definitions of terms used in this test method, refer
1.5 The values stated in SI units are to be regarded as
to Terminology D1129.
standard. No other units of measurement are included in this
4. Summary of Test Method
standard.
1.6 This standard does not purport to address all of the 4.1 When a water sample containing soluble boron is
safety concerns, if any, associated with its use. It is the acidified with hydrochloric acid and evaporated to dryness in
responsibility of the user of this standard to establish appro- the presence of curcumin, a red-colored complex called roso-
priate safety and health practices and determine the applica- cyanine is formed. This colored product is taken up in
bility of regulatory limitations prior to use. isopropyl alcohol and is read spectrophotometrically.
5. Significance and Use
2. Referenced Documents
3
5.1 Because boron can be both essential and deleterious to
2.1 ASTM Standards:
plantgrowth,andbecauseingestionoflargeamountscanaffect
D1066 Practice for Sampling Steam
the central nervous system in humans, a method is required to
D1129 Terminology Relating to Water
determine its concentration in potable, natural, and wastewa-
D1193 Specification for Reagent Water
ters. This test method provides a means of determining the
D2777 Practice for Determination of Precision and Bias of
boron concentration of these waters. The holding time for the
Applicable Test Methods of Committee D19 on Water
samples may be calculated in accordance with Practice D4841.
5.2 Boric acid is used for chemical shim control of neutron
1
This test method is under the jurisdiction of ASTM Committee D19 on Water
flux in a nuclear reactor. This test method serves to determine
and is the direct responsibility of Subcommittee D19.05 on Inorganic Constituents
if the boron concentration is within acceptable limits.
in Water.
Current edition approved Feb. 1, 2015. Published March 2015. Originally
6. Interferences
approved in 1972. Last previous edition approved in 2009 as D3082 – 09. DOI:
10.1520/D3082-15.
6.1 Nitrate concentrations above 20 mg/Lbegin to interfere.
2
This test method is similar to, but not identical with that appearing in Standard
Hardness levels about 100 mg/L as CaCO give high results
Methods for Examination of Water and Wastewater, 13th Ed., American Public
3
Health Association, Washington, DC, pp 69–72.
because of the turbidity caused by the insolubility of the
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
hardness salts in isopropyl alcohol. The turbidity can be
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
eliminated by filtering the final solution through a 0.45-µm
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. membrane filter before reading on the spectrophotometer.
*A Summary of Changes section appears at the end of this st
...
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: D3082 − 09 D3082 − 15
Standard Test Method for
1
Boron in Water
This standard is issued under the fixed designation D3082; 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 test method covers the determination of boron in water and wastewaters by the curcumin colorimetric-extraction
2
method in concentrations between 0.1 and 1.0 mg/L. The range can be extended by dilution of the sample.
1.2 Only dissolved boron is determined. This test method requires that the water sample be filtered through a 0.45-μm
membrane filter before analysis.
1.3 This test method is a colorimetric method that is very sensitive to low concentrations of boron in water and requires a
relatively small sample volume for analysis.
1.4 Precision and bias were obtained on natural and wastewaters. It is the user’s responsibility to ensure the validity of this test
method for waters of untested matrices.
1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.6 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
3
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
D4841 Practice for Estimation of Holding Time for Water Samples Containing Organic and Inorganic Constituents
D5810 Guide for Spiking into Aqueous Samples
D5847 Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis
E60 Practice for Analysis of Metals, Ores, and Related Materials by Spectrophotometry
E2251 Specification for Liquid-in-Glass ASTM Thermometers with Low-Hazard Precision Liquids
E275 Practice for Describing and Measuring Performance of Ultraviolet and Visible Spectrophotometers
3. Terminology
3.1 Definitions:
3.1.1 For definitions of terms used in this test method, refer to Terminology D1129.
4. Summary of Test Method
4.1 When a water sample containing soluble boron is acidified with hydrochloric acid and evaporated to dryness in the presence
of curcumin, a red-colored complex called rosocyanine is formed. This colored product is taken up in isopropyl alcohol and is read
spectrophotometrically.
1
This test method 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 May 15, 2009Feb. 1, 2015. Published May 2009March 2015. Originally approved in 1972. Last previous edition approved in 20032009 as
D3082 – 03.D3082 – 09. DOI: 10.1520/D3082-09.10.1520/D3082-15.
2
This test method is similar to, but not identical with that appearing in Standard Methods for Examination of Water and Wastewater, 13th Ed., American Public Health
Association, Washington, DC, pp 69–72.
3
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
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D3082 − 15
5. Significance and Use
5.1 Because boron can be both essential and deleterious to plant growth, and because ingestion of large amounts can affect the
central nervous system in humans, a method is required to determine its concentration in potable, natural, and wastewaters. This
test method provides a means of determining the boron concentration of these waters. The holding time for the samples may be
calculated in accordance with Practice D4841.
5.2 Boric acid is used for chemical shim control of neutron flux in a nuclear reactor. This test method serves to determine if
the boron concentration is within accep
...
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