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ASTM D156-15
Standard Test Method for Saybolt Color of Petroleum Products (Saybolt Chromometer Method)
Automaticky preložený názov:
Štandardná skúšobná metóda pre Saybolta Farba ropných produktov ( Saybolta Chromometer Method )
NORMA vydaná dňa 1.4.2015
Informácie o norme:
Označenie normy: ASTM D156-15
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.4.2015
Kód tovaru: NS-586262
Počet strán: 6
Približná hmotnosť: 18 g (0.04 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM D156-15 :
Keywords:
aviation gasoline, color, jet fuel, kerosine, motor gasoline, oils, petroleum wax, Saybolt Color, white oils ,, ICS Number Code 75.080 (Petroleum products in general)
Doplňujúce informácie
| Significance and Use | ||||||||
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5.1 Determination of the color of petroleum products is used mainly for manufacturing control purposes and is an important quality characteristic since color is readily observed by the user of the product. In some cases the color may serve as an indication of the degree of refinement of the material. When the color range of a particular product is known, a variation outside the established range can indicate possible contamination with another product. However, color is not always a reliable guide to product quality and should not be used indiscriminately in product specifications. |
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| 1. Scope | ||||||||
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1.1 This test method covers the determination of the color of refined oils such as undyed motor and aviation gasoline, jet propulsion fuels, naphthas and kerosine, and, in addition, petroleum waxes and pharmaceutical white oils. Note 1: For determining the color of petroleum products darker
than Saybolt Color − 16, see Test Method D1500.
1.2 This test method reports results specific to this test method and recorded as, “Saybolt Color units.” 1.3 The values stated in inch-pound units or in SI units and which are not in parentheses are to be regarded as the standard. The values given in parentheses are for information only. Note 2: Oil tubes and apparatus used in this test method have
traditionally been marked in inches, (the tube is required to be
etched with 1/8 in. divisions.) The
Saybolt Color Numbers are aligned with inch,
1/2 in.,
1/4 in., and
1/8 in. changes in the depth of oil.
These fractional inch changes do not readily correspond to SI
equivalents and in view of the preponderance of apparatus already
in use and marked in inches, the inch/pound unit is regarded as the
standard. However the test method does use SI units of length when
the length is not directly related to divisions on the oil tube and
Saybolt Color Numbers. The test method uses SI units for
temperature.
1.4 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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| 2. Referenced Documents | ||||||||
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