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NEPLATNÁ ASTM D5482-07(2013) 1.6.2013 náhled

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ASTM D5482-07(2013)

Standard Test Method for Vapor Pressure of Petroleum Products (Mini Method—Atmospheric)

Automaticky přeložený název:

Standardní zkušební metoda pro tlak par ropných produktů (Mini metody & ndash; Atmospheric)

NORMA vydána dne 1.6.2013

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Provedení	PDF - okamžité stažení - 1 760.30 Kč Tištěné - 1 760.30 Kč
Dostupnost	SKLADEM
Cena	1 760.30 Kč bez DPH
1 760.30 Kč

Informace o normě:

Označení normy: ASTM D5482-07(2013)
Poznámka: NEPLATNÁ
Datum vydání normy: 1.6.2013
Kód zboží: NS-31393
Počet stran: 5
Přibližná hmotnost: 15 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Anotace textu normy ASTM D5482-07(2013) :

Keywords:
dry vapor pressure equivalent, gasoline, hydrocarbon-oxygenate blends, mini method-atmospheric, petroleum products, vapor pressure, ICS Number Code 75.080 (Petroleum products in general)

Doplňující informace


Significance and Use
5.1 Vapor pressure is an important physical property of volatile liquids. 5.2 Vapor pressure is critically important for both automotive and aviation gasolines, affecting starting, warm-up, and tendency to vapor lock with high operating temperatures or high altitudes. Maximum vapor pressure limits for gasoline are legally mandated in some areas as a measure of air pollution control.

1. Scope
1.1 This test method covers a procedure for the determination of total vapor pressure of petroleum products using automatic vapor pressure instruments. The test method is suitable for testing samples with boiling points above 0°C (32°F) that exert a vapor pressure between 7 and 110 kPa (1.0 and 16 psi) at 37.8°C (100°F) at a vapor-to-liquid ratio of 4:1. The test method is applicable to gasolines containing oxygenates. No account is made of dissolved water in the sample. 1.1.1 Some gasoline-oxygenate blends may show a haze when cooled to 0 to 1°C. If a haze is observed in 1.2 This test method is a modification of Test Method D5191 (Mini Method) in which the test chamber is at atmospheric pressure prior to sample injection. 1.3 This test method covers the use of automated vapor pressure instruments that perform measurements on liquid sample sizes in the range from 1 to 10 mL. 1.4 This test method is suitable for the determination of the dry vapor pressure equivalent (DVPE) of gasoline and gasoline-oxygenate blends by means of a correlation equation (see 1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 1.6 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.
D4057-22	Standard Practice for Manual Sampling of Petroleum and Petroleum Products
D5190-07	Standard Test Method for Vapor Pressure of Petroleum Products (Automatic Method) (Withdrawn 2012)
D4175-23a	Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants (Includes all amendments and changes 12/21/2023).
D4953-20	Standard Test Method for Vapor Pressure of Gasoline and Gasoline-Oxygenate Blends (Dry Method)
D5191-22	Standard Test Method for Vapor Pressure of Petroleum Products and Liquid Fuels (Mini Method)