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ASTM D4130-2008 微咸水、海水和盐水中硫酸盐离子的标准试验方法

ASTM D4130-2008 微咸水、海水和盐水中硫酸盐离子的标准试验方法

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【英文标准名称】: Standard Test Method for Sulfate Ion in Brackish Water, Seawater, and Brines
【原文标准名称】: 微咸水、海水和盐水中硫酸盐离子的标准试验方法
【标准号】: ASTM D4130-2008
【标准状态】: 现行
【国别】: 美国
【发布日期】: 2008
【实施或试行日期】:
【发布单位】: 美国材料与试验协会(US-ASTM)
【起草单位】: D19.05
【标准类型】: (Test Method)
【标准水平】: ()
【中文主题词】:
【英文主题词】: brackish; brine; seawater; sulfate; Brackish water/brines; Seawater (natural/synthetic); Sulfate content--water; Turbidimeter method
【摘要】: 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.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 D 516. 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.
【中国标准分类号】: Z17
【国际标准分类号】: 13_060_50
【页数】: 4P.;A4
【正文语种】: 英语

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