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ASTM D4130-15

Current Revision

Standard Test Method for Sulfate Ion in Brackish Water, Seawater, and Brines (Withdrawn 2024)

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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.


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.

SDO ASTM: ASTM International
Document Number D4130
Publication Date Feb. 1, 2015
Language en - English
Page Count 5
Revision Level 15
Supercedes
Committee D19.05
Publish Date Document Id Type View
Feb. 1, 2015 D4130-15 Revision
Nov. 15, 2008 D4130-08 Revision
June 10, 2003 D4130-03 Revision
June 10, 1999 D4130-99 Revision
Not Available D4130-82R98 Revision