ASTM D3082-09
(Test Method)Standard Test Method for Boron in Water
Standard Test Method for Boron in Water
SIGNIFICANCE AND USE
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 D 4841.
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 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.
General Information
Relations
Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: D3082 − 09
StandardTest 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.
E275 Practice for Describing and Measuring Performance of
Ultraviolet and Visible Spectrophotometers
1.3 This test method is a colorimetric method that is very
sensitive to low concentrations of boron in water and requires
3. Terminology
a relatively small sample volume for analysis.
3.1 Definitions: For definitions of terms used in this test
1.4 Precision and bias were obtained on natural and waste-
method, refer to Terminology D1129.
waters. It is the user’s responsibility to ensure the validity of
this test method for waters of untested matrices.
4. Summary of Test Method
1.5 The values stated in SI units are to be regarded as
4.1 When a water sample containing soluble boron is
standard. No other units of measurement are included in this
acidified with hydrochloric acid and evaporated to dryness in
standard.
the presence of curcumin, a red-colored complex called roso-
1.6 This standard does not purport to address all of the
cyanine is formed. This colored product is taken up in
safety concerns, if any, associated with its use. It is the
isopropyl alcohol and is read spectrophotometrically.
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
5. Significance and Use
bility of regulatory limitations prior to use.
5.1 Because boron can be both essential and deleterious to
plantgrowth,andbecauseingestionoflargeamountscanaffect
2. Referenced Documents
the central nervous system in humans, a method is required to
3
2.1 ASTM Standards:
determine its concentration in potable, natural, and wastewa-
D1066 Practice for Sampling Steam
ters. This test method provides a means of determining the
D1129 Terminology Relating to Water
boron concentration of these waters. The holding time for the
D1193 Specification for Reagent Water
samples may be calculated in accordance with Practice D4841.
D2777 Practice for Determination of Precision and Bias of
5.2 Boric acid is used for chemical shim control of neutron
Applicable Test Methods of Committee D19 on Water
flux in a nuclear reactor. This test method serves to determine
if the boron concentration is within acceptable limits.
1
This test method is under the jurisdiction of ASTM Committee D19 on Water
6. Interferences
and is the direct responsibility of Subcommittee D19.05 on Inorganic Constituents
in Water.
6.1 Nitrate concentrations above 20 mg/Lbegin to interfere.
Current edition approved May 15, 2009. Published May 2009. Originally
Hardness levels about 100 mg/L as CaCO give high results
approved in 1972. Last previous edition approved in 2003 as D3082 – 03. DOI:
3
10.1520/D3082-09.
because of the turbidity caused by the insolubility of the
2
This test method is similar to, but not identical with that appearing in Standard
hardness salts in isopropyl alcohol. The turbidity can be
Methods for Examination of Water and Wastewater, 13th Ed., American Public
eliminated by filtering the final solution through a 0.45-µm
Health Association, Washington, DC, pp 69–72.
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or membrane filter before reading on the spectrophotometer.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
6.2 Organic color may be present in the sample that could
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. affect absorbance readings on the spectrophotometer. If an
*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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...
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:D3082–03 Designation:D3082–09
Standard Test Method for
1
Boron In WaterBoron in Water
This standard is issued under the fixed designation D 3082; 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
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:
D 1066 Practice for Sampling Steam
3
D 1129 Terminology Relating to Water
3
D1192Specification for Equipment for Sampling Water and Steam in Closed Conduits Terminology Relating to Water
3
D 1193 Specification for Reagent Water
3
D1293Test Methods for pH of Water Specification for Reagent Water
D 2777 Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D-19D19 on Water
D 3370 Practices for Sampling Water from Closed Conduits
D 4841 Practice for Estimation of Holding Time for Water Samples Containing Organic and Inorganic Constituents
D 5810 Guide for Spiking into Aqueous Samples
D 5847 Practice for the Writing Quality Control Specifications for Standard Test Methods for Water Analysis
E60 Practice for Photometric and Spectrophotometric Methods for Chemical Analysis of Metals
E200Practice for Preparation, Standardization, and Storage of Standard and Reagent Solutions for Chemical Analysis Practice
for Analysis of Metals, Ores, and Related Materials by Molecular Absorption Spectrometry
E 275 Practice for Describing and Measuring Performance of Ultraviolet, Visible, Ultraviolet and Near Infrared Visible
Spectrophotometers
3. Terminology
3.1 Definitions: For definitions of terms used in this test method, refer to Terminology D 1129.
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
1
ThistestmethodisunderthejurisdictionofASTMCommitteeD19onWaterandisthedirectresponsibilityofSubcommitteeD19.05onInorganicConstituentsinWater.
Current edition approved Jan. 10, 2003. Published January 2003. Originally approved in 1972. Last previous edition approved in 1996 as D 3082–92 (1996).
Current edition approved May 15, 2009. Published May 2009. Originally approved in 1972. Last previous edition approved in 2003 as D 3082 – 03.
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 referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
, Vol 11.01.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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D3082–09
of curcumin, a red-colored complex called rosocyanine is formed.This colored product is taken up in isopropyl alcohol and is read
spectrophotometrically.
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
...
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