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Standard Test Method for Determination of Light Hydrocarbons in Stabilized Crude Oils by Gas Chromatography (Includes all amendments And changes 9/4/2023).
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NORM herausgegeben am 1.10.2018
Bezeichnung normen: ASTM D7900-18e1
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.10.2018
SKU: NS-904532
Zahl der Seiten: 20
Gewicht ca.: 60 g (0.13 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
boiling range distributions, crude oils, distillations, gas chromatography, petroleums, simulated distillations,, ICS Number Code 75.080 (Petroleum products in general)
Significance and Use | ||||||||||||||||||||||||||
5.1 Knowledge of the boiling point distribution of stabilized crude oils is important for the marketing, scheduling, and processing of crude oil in the petroleum industry. Test Method D7169 and IP 545 purport to give such a distribution in crude oils, but are susceptible to significant errors in the light ends portion of the distribution as well as in the mass recovery of the whole crude oil due to the interference imposed by the diluent solvent. This test method allows for more accurate determination of the front end of the boiling point distribution curve, in addition to providing important C1 to C9 (nonane) component level information, and more accurate mass recovery at C9 (nonane). |
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1. Scope | ||||||||||||||||||||||||||
1.1 This test method specifies a method to determine the boiling range distribution of hydrocarbons in stabilized crude oil up to and including n-nonane. A stabilized crude oil is defined as having a Reid Vapor Pressure equivalent to or less than 82.7 kPa. The results of this test method can be combined with those from Test Method D7169 and IP 545 to give a full boiling point distribution of a crude oil. 1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are provided for information purposes only. 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. 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. |
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2. Referenced Documents | ||||||||||||||||||||||||||
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