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ASTM D323-99a
Standard Test Method for Vapor Pressure of Petroleum Products (Reid Method) (Includes all amendments And changes 8/16/2017).
Automaticky přeložený název:
Standardní zkušební metoda pro tlak par ropných produktů ( Reid Method)
NORMA vydána dne 10.4.1999
Informace o normě:
Označení normy: ASTM D323-99a
Poznámka: NEPLATNÁ
Datum vydání normy: 10.4.1999
Kód zboží: NS-22928
Počet stran: 10
Přibližná hmotnost: 30 g (0.07 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Anotace textu normy ASTM D323-99a :
Keywords:
Reid vapor pressure, petroleum products, test,, Vapor pressure-petroleum products, Reid method (Rvp), test, ICS Number Code 75.080 (Petroleum products in general)
Doplňující informace
| 1. Scope | ||||||||||||||||||
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1.1 This test method covers procedures for the determination of vapor pressure (See Note 1) of gasoline, volatile crude oil, and other volatile petroleum products. Procedure A is applicable to gasoline and other petroleum products with a vapor pressure of less than 180 kPa (26 psi). Procedure B may also be applicable to these other materials, but only gasoline was included in the interlaboratory test program to determine the precision of this test method. Neither procedure is applicable to liquefied petroleum gases or fuels containing oxygenated compounds other than methyl -butyl ether (MTBE) (See Note 2). Procedure C is for materials with a vapor pressure of greater than 180 kPa (26 psi) and Procedure D for aviation gasoline with a vapor pressure of approximately 50 kPa (7 psi). Note 1-Because the external atmospheric pressure is counteracted by the atmospheric pressure initially present in the vapor chamber, the Reid vapor pressure is an absolute pressure at 37.8°C (100°F) in kilopascals (pounds-force per square inch). The Reid vapor pressure differs from the true vapor pressure of the sample due to some small sample vaporization and the presence of water vapor and air in the confined space. Note 2-For determination of the vapor pressure of liquified petroleum gases refer to Test Method D1267. For determination of the vapor pressure of gasoline-oxygenate blends refer to Test Method D4953.1.2 The values stated in SI units are to be regarded as the standard. The inch-pound units given in parentheses are provided for information 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 and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Sections 6 and 17, and Notes 5, 8, 11, 12, A1.1 and A1.2. |
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| 2. Referenced Documents | ||||||||||||||||||
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