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NEPLATNÁ ASTM D6749-02(2012) 1.11.2012 náhled

Doplňující informace

ASTM D6749-02(2012)

Standard Test Method for Pour Point of Petroleum Products (Automatic Air Pressure Method)

Automaticky přeložený název:

Standardní zkušební metoda pro Bod tuhnutí ropných produktů (Automatic Air tlakovou metodou)

NORMA vydána dne 1.11.2012

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Informace o normě:

Označení normy: ASTM D6749-02(2012)
Poznámka: NEPLATNÁ
Datum vydání normy: 1.11.2012
Kód zboží: NS-36369
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 D6749-02(2012) :

Keywords:
automatic air pressure method, petroleum products, pour point, ICS Number Code 75.080 (Petroleum products in general)

Doplňující informace

Significance and Use

5.1 The pour point of a petroleum product is an index of the lowest temperature of its utility for certain applications. Flow characteristics, like pour point, can be critical for the correct operation of lubricating systems, fuel systems, and pipeline operations.

5.2 Petroleum blending operations require precise measurement of the pour point.

5.3 Test results from this test method can be determined at either 1 or 3°C intervals.

5.4 This test method yields a pour point in a format similar to Test Method D97/IP 15 when the 3°C interval results are reported. However, when specification requires Test Method D97/IP 15, do not substitute this test method.

5.5 This test method has better repeatability and reproducibility relative to Test Method D97/IP 15 as measured in the 1998 interlaboratory test program (see Section 1.1 This test method covers the determination of pour point of petroleum products by an automatic apparatus that applies a slightly positive air pressure onto the specimen surface while the specimen is being cooled.

1.2 This test method is designed to cover the range of temperatures from −57 to +51°C; however, the range of temperatures included in the (1998) interlaboratory test program only covered the temperature range from −51 to −11°C.

1.3 Test results from this test method can be determined at either 1 or 3°C testing intervals.

1.4 This test method is not intended for use with crude oils.

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

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.

2. Referenced Documents

D4057-22	Standard Practice for Manual Sampling of Petroleum and Petroleum Products
D97-17b(2022)	Standard Test Method for Pour Point of Petroleum Products (Includes all amendments and changes 11/29/2022).
IP 15	Test Method for Pour Point of Petroleum Products Available from Energy Institute, 61 New Cavendish St., London, WIG 7AR, U.K., http://www.energyinst.org.uk.
D4177-22e1	Standard Practice for Automatic Sampling of Petroleum and Petroleum Products (Includes all amendments and changes 3/24/2023).