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ASTM D91-02(2012)e1
Standard Test Method for Precipitation Number of Lubricating Oils (Includes all amendments And changes 7/27/2017).
NORMA vydaná dňa 1.11.2012
Informácie o norme:
Označenie normy: ASTM D91-02(2012)e1
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.11.2012
Kód tovaru: NS-667170
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM D91-02(2012)e1 :
Keywords:
asphaltenes, lubricating oils, precipitation number ,, ICS Number Code 75.100 (Lubricants, industrial oils and related products)
Doplňujúce informácie
| Significance and Use | ||||
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4.1 Fully refined petroleum oils normally contain no naphtha insoluble material. Semirefined or black oils frequently contain some naphtha insoluble material (sometimes referred to as asphaltenes ). This test measures the amount of naphtha insoluble material in the oil. This quantity is reported as the precipitation number. |
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| 1. Scope | ||||
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1.1 This test method covers the determination of the precipitation number of steam cylinder stocks and black oils, and can be used for other lubricating oils. 1.2 The values stated in acceptable SI units are to be regarded as the standard. 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. |
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| 2. Referenced Documents | ||||
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