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1.1The procedures in this test method cover the determination of organic chloride (above 1 g/g organically-bound chlorine) in crude oils, using either distillation and sodium biphenyl reduction, distillation and microcoulometry, or distillation and x-ray fluorescence (XRF) spectrometry.

1.2The procedures in this test method involve the distillation of crude oil test specimens to obtain a naphtha fraction prior to chloride determination. The chloride content of the naphtha fraction of the whole crude oil can thereby be obtained. See Section 5 regarding potential interferences.

1.3Procedure A covers the determination of organic chloride in the washed naphtha fraction of crude oil by sodium biphenyl reduction followed by potentiometric titration.

1.4Procedure B covers the determination of organic chloride in the washed naphtha fraction of crude oil by oxidative combustion followed by microcoulometric titration.

1.5Procedure C covers the determination of organic chloride in the washed naphtha fraction of crude oil by x-ray fluorescence spectrometry.

1.6The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.6.1The preferred concentration units are micrograms of chloride per gram of sample.

1.7This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.8This 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.

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Published: 10/15/2017 Number of Pages: 17File Size: 1 file , 230 KBRedline File Size:2files, 450 KB