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ASTM D5950-14

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

Automaticky přeložený název:

Standardní zkušební metoda pro Bod tuhnutí ropných produktů (Automatic metoda Tilt)

NORMA vydána dne 1.5.2014

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Informace o normě:

Označení normy: ASTM D5950-14
Poznámka: NEPLATNÁ
Datum vydání normy: 1.5.2014
Kód zboží: NS-33167
Počet stran: 6
Přibližná hmotnost: 18 g (0.04 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Kategorie - podobné normy:

Ropné produkty všeobecně

Anotace textu normy ASTM D5950-14 :

Keywords:

D97 equivalent, petroleum products, pour point, tilt method, 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 oil systems, fuel systems, and pipeline operations.

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

5.3 This test method can determine the pour point of the test specimen with a resolution of 1.0 °C.

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

5.5 This test method yields a pour point in a format similar to Test Method D97/IP15 when the 3 °C interval results are reported.

5.6 This test method has better repeatability and reproducibility relative to Test Method D97/IP15 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 instrument that tilts the test jar during cooling and detects movement of the surface of the test specimen with an optical device.

1.2 This test method is designed to cover the range of temperatures from −66 °C to +51 °C; however, the range of temperatures included in the 1992 interlaboratory test program only covered the temperature range from −39 °C to +6 °C, and the range of temperatures included in the 1998 interlaboratory test program was −51 °C to −11 °C. (See Section 13.)

1.3 Test results from this test method can be determined at 1 °C or 3 °C 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
D4177-22e1	Standard Practice for Automatic Sampling of Petroleum and Petroleum Products (Includes all amendments and changes 3/24/2023).
D6708-24	Standard Practice for Statistical Assessment and Improvement of Expected Agreement Between Two Test Methods that Purport to Measure the Same Property of a Material
IP?15	Test Method for Pour Point of Petroleum Products
D97-17b(2022)	Standard Test Method for Pour Point of Petroleum Products (Includes all amendments and changes 11/29/2022).