ASTM D4130-15
(Test Method)Standard Test Method for Sulfate Ion in Brackish Water, Seawater, and Brines (Withdrawn 2024)
Standard Test Method for Sulfate Ion in Brackish Water, Seawater, and Brines (Withdrawn 2024)
SIGNIFICANCE AND USE
5.1 The determination of sulfate and other dissolved constituents is important in identifying the source of brines produced during the drilling and production phases of crude oil or natural gas.
SCOPE
1.1 This test method covers the turbidimetric determination of sulfate ion in brackish water, seawater, and brines. It has been used successfully with synthetic brine grade waters; however, it is the user's responsibility to ensure the validity of this test method to other matrices.
1.2 This test method is applicable to waters having an ionic strength greater than 0.65 mol/L and a sulfate ion concentration greater than 25 mg/L. A concentration less than 25 mg/L sulfate can be determined by using a standard addition method.
1.3 For brines having an ionic strength of less than 0.65 mol/L, refer to Test Methods D516.
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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 and health practices and determine the applicability of regulatory limitations prior to use.
WITHDRAWN RATIONALE
This test method covers the turbidimetric determination of sulfate ion in brackish water, seawater, and brines. It has been used successfully with synthetic brine grade waters; however, it is the user's responsibility to ensure the validity of this test method to other matrices.
Formerly under the jurisdiction of Committee D19 on Water, this test method was withdrawn in January 2024 in accordance with section 10.6.3 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date.
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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: D4130 − 15
Standard Test Method for
1
Sulfate Ion in Brackish Water, Seawater, and Brines
This standard is issued under the fixed designation D4130; 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* E275PracticeforDescribingandMeasuringPerformanceof
Ultraviolet and Visible Spectrophotometers
1.1 This test method covers the turbidimetric determination
E2251Specification for Liquid-in-Glass ASTM Thermom-
of sulfate ion in brackish water, seawater, and brines. It has
eters with Low-Hazard Precision Liquids
been used successfully with synthetic brine grade waters;
however, it is the user’s responsibility to ensure the validity of
3. Terminology
this test method to other matrices.
3.1 Definitions—For definitions of terms used in this test
1.2 This test method is applicable to waters having an ionic
method, refer to Terminology D1129.
strengthgreaterthan0.65mol/Landasulfateionconcentration
greaterthan25mg/L.Aconcentrationlessthan25mg/Lsulfate
4. Summary of Test Method
can be determined by using a standard addition method.
4.1 Asulfate ion is converted to a barium sulfate suspended
1.3 For brines having an ionic strength of less than 0.65
under controlled conditions. A glycerin-acid solution is added
mol/L, refer to Test Methods D516.
to acidify and stabilize the suspension.Acalculated volume of
1.4 The values stated in SI units are to be regarded as
a NaCl solution is added to adjust the ionic strength to a set
standard. No other units of measurement are included in this
value of 2 mol/L (Note 1). The turbidity resulting upon
standard.
addition of barium chloride is determined by a photoelectric
colorimeter and compared to a curve prepared from standard
1.5 This standard does not purport to address all of the
sulfate solutions.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
NOTE 1—The ionic strength (IS) of the sample is calculated from the
+ 2+ 2+ − +
priate safety and health practices and determine the applica- concentration of the major ion constituents (Na,Ca ,Mg ,Cl ), (K
2+
and Sr if their concentration exceeds 2000 mg/L) as follows:
bility of regulatory limitations prior to use.
where:
2
2. Referenced Documents
IS, mol/L = 1/2∑ CZ ,
i i
2
C = g/L ion i/molecular weight ion, i, and
2.1 ASTM Standards: i
Z = valence of ion i.
i
D516Test Method for Sulfate Ion in Water
D1129Terminology Relating to Water
5. Significance and Use
D1193Specification for Reagent Water
5.1 The determination of sulfate and other dissolved con-
D2777Practice for Determination of Precision and Bias of
stituents is important in identifying the source of brines
Applicable Test Methods of Committee D19 on Water
producedduringthedrillingandproductionphasesofcrudeoil
D3370Practices for Sampling Water from Closed Conduits
or natural gas.
D5810Guide for Spiking into Aqueous Samples
D5847Practice for Writing Quality Control Specifications
6. Interferences
for Standard Test Methods for Water Analysis
6.1 Suspended matter in the sample must be removed. Dark
colors that cannot be compensated for in the procedure
1 interfere with the measurement of suspended barium sulfate
This test method is under the jurisdiction ofASTM Committee D19 on Water
and is the direct responsibility of Subcommittee D19.05 on Inorganic Constituents
(BaSO ).
4
in Water.
Current edition approved Feb. 1, 2015. Published April 2015. Originally
7. Apparatus
approved in 1982. Last previous edition approved in 2008 as D4130–08. DOI:
10.1520/D4130-15.
7.1 Photometer—Afilterphotometeroraspectrophotometer
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
for measurements between 400 to 450 nm, the preferable
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
wavelength being 425 nm. The cell for the instrument must
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. have a light path of 20 6 2 mm and hold a volume of 25 mL.
*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 ----------------------
D4130 − 15
Filter photometers, spectrophotometers, and photometric prac- 9.2 Preserve the samples with high purity hydrochloric acid
tices prescribed in this test method shall confo
...
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: D4130 − 08 D4130 − 15
Standard Test Method for
1
Sulfate Ion in Brackish Water, Seawater, and Brines
This standard is issued under the fixed designation D4130; 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 Scope*
1.1 This test method covers the turbidimetric determination of sulfate ion in brackish water, seawater, and brines. It has been
used successfully with synthetic brine grade waters; however, it is the user’s responsibility to ensure the validity of this test method
to other matrices.
1.2 This test method is applicable to waters having an ionic strength greater than 0.65 mol/L and a sulfate ion concentration
greater than 25 mg/L. A concentration less than 25 mg/L sulfate can be determined by using a standard addition method.
1.3 For brines having an ionic strength of less than 0.65 mol/L, refer to Test Methods D516.
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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 and health practices and determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
2
2.1 ASTM Standards:
D516 Test Method for Sulfate Ion in Water
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
D5810 Guide for Spiking into Aqueous Samples
D5847 Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis
E275 Practice for Describing and Measuring Performance of Ultraviolet and Visible Spectrophotometers
E2251 Specification for Liquid-in-Glass ASTM Thermometers with Low-Hazard Precision Liquids
3. Terminology
3.1 Definitions—For definitions of terms used in this test method, refer to Terminology D1129.
4. Summary of Test Method
4.1 A sulfate ion is converted to a barium sulfate suspended under controlled conditions. A glycerin-acid solution is added to
acidify and stabilize the suspension. A calculated volume of a NaCl solution is added to adjust the ionic strength to a set value of
2 mol/L (Note 1). The turbidity resulting upon addition of barium chloride is determined by a photoelectric colorimeter and
compared to a curve prepared from standard sulfate solutions.
+ 2+ 2+ − + 2+
NOTE 1—The ionic strength (IS) of the sample is calculated from the concentration of the major ion constituents (Na , Ca , Mg , Cl ), (K and Sr
if their concentration exceeds 2000 mg/L) as follows:
where:
2
IS, mol/L = 1/2 ∑ C Z ,
i i
C = g/L ion i/molecular weight ion, i, and
i
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 Nov. 15, 2008Feb. 1, 2015. Published November 2008April 2015. Originally approved in 1982. Last previous edition approved in 20032008 as
D4130 – 03.D4130 – 08. DOI: 10.1520/D4130-08.10.1520/D4130-15.
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 ----------------------
D4130 − 15
Z = valence of ion i.
i
5. Significance and Use
5.1 The determination of sulfate and other dissolved constituents is important in identifying the source of brines produced
during the drilling and production phases of crude oil or natural gas.
6. Interferences
6.1 Suspended matter in the sample must be removed. Dark colors that cannot be compensated for in the procedure interfere
with the measurement of suspended barium sulfate (BaSO ).
4
7. Apparatus
7.1 Photometer—A filter photometer or a spectrophotometer for measurements between 400 to 450 nm, the preferable
wavelength being 425 nm. The cell f
...
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