ASTM D8045 - 17e1 - Standard Test Method for Acid Number of Crude Oils and Petroleum Products by Catalytic Thermometric Titration

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ASTM D8045 - 17e1

Standard Test Method for Acid Number of Crude Oils and Petroleum Products by Catalytic Thermometric Titration

Status : Current   Published : November 2018

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1.1 This test method covers the determination of acidic components in crude oil and petroleum products including waxes, bitumen, base stocks, and asphalts that are soluble in mixtures of xylenes and propan-2-ol. It is applicable for the determination of acids whose dissociation constants in water are larger than 10 –9; extremely weak acids whose dissociation constants are smaller than 10 –9 do not interfere. The values obtained by this test method may not be numerically equivalent to other acid value measurements. The range of KOH acid numbers included in the precision statement is 0.1 mg/g to 16 mg/g.

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

1.3  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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Some specific hazards statements are given in Section 7 on Safety Precautions.

1.4  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.




Standard NumberASTM D8045 - 17e1
TitleStandard Test Method for Acid Number of Crude Oils and Petroleum Products by Catalytic Thermometric Titration
StatusCurrent
Publication Date14 November 2018
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Acid number; corrosion; crude oil; naphthenic acids; thermometric titration
ICS75.040
75.080
PublisherASTM
FormatA4
DeliveryYes
Pages7
File Size741 KB
Price£40.00


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