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Standard Practice for Interconversion of Analysis of C5 and Lighter Hydrocarbons to Gas-Volume, Liquid-Volume, or Mass Basis
Automatische name übersetzung:
Standard Praxis für Gegenseitige Umwandlung Analyse der C5 und leichtere Kohlenwasserstoffe zu Gas-Volume, Liquid-Volume oder Massenbasis
NORM herausgegeben am 15.6.2013
Bezeichnung normen: ASTM D2421-13
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 15.6.2013
SKU: NS-20327
Zahl der Seiten: 4
Gewicht ca.: 12 g (0.03 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
analysis, gas volume, interconversion, liquefied petroleum gases, natural gas liquids , ICS Number Code 75.080 (Petroleum products in general)
Significance and Use |
3.1 For custody transfer and other purposes, it is frequently necessary to convert a component analysis of light hydrocarbon mixture from one basis (either gas volume, liquid volume, or mass) to another. 3.2 The component distribution data of light hydrocarbon mixtures can be used to calculate physical properties such as relative density, vapor-pressure, and calorific value. Consistent and accurate conversion data are extremely important when calculating vapor, liquid, or mass equivalence. |
1. Scope |
1.1 This practice describes the procedure for the interconversion of the analysis of C1.2 The computation procedures described assume that gas-volume percentages have already been corrected for nonideality of the components as a part of the analytical process by which they have been obtained. These are numerically the same as mole percentages. 1.3 The procedure assumes the absence of nonadditivity corrections for mixtures of the pure liquid compounds. This is approximately true only for mixtures of hydrocarbons of the same number of carbon atoms, and in the absence of diolefins and acetylenic compounds. 1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 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. |
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