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ASTM D7060-12
Standard Test Method for Determination of the Maximum Flocculation Ratio and Peptizing Power in Residual and Heavy Fuel Oils (Optical Detection Method)
Automaticky přeložený název:
Standardní zkušební metoda pro stanovení poměru Maximum flokulaci a Peptizing Power ve zbytkovém a těžké topné oleje ( Optical metoda detekce )
NORMA vydána dne 1.11.2012
Informace o normě:
Označení normy: ASTM D7060-12
Poznámka: NEPLATNÁ
Datum vydání normy: 1.11.2012
Kód zboží: NS-37456
Počet stran: 12
Přibližná hmotnost: 36 g (0.08 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Anotace textu normy ASTM D7060-12 :
Keywords:
compatibility, heavy fuel oil, maximum flocculation ratio, P-ratio, peptizing power, residual fuel oil, ICS Number Code 75.160.20 (Liquid fuels)
Doplňující informace
| Significance and Use | ||||||||||||||||
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5.1 Asphaltenes are naturally occurring materials in crude petroleum and petroleum products containing residual material. The asphaltenes are usually present in colloidal suspensions, but they may agglomerate and flocculate if the suspension of asphaltene molecules is disturbed through excess stress or incompatibility. This test method provides compatibility parameters, which can be used to assess stability reserve and compatibility. 5.2 A blend is considered stable when the blend’s peptizing power is higher than the blend’s maximum flocculation ratio;1.1 This test method covers a procedure for quantifying the maximum flocculation ratio of the asphaltenes in the oil and the peptizing power of the oil medium, by an automatic instrument using an optical device. 1.2 This test method is applicable to atmospheric or vacuum distillation residues, thermally cracked residue, intermediate and finished residual fuel oils, containing at least 1 mass % asphaltenes. This test method has not been developed for asphalts. 1.3 This test method was evaluated
in an interlaboratory study in the nominal range of 32 to 76 for
the maximum flocculation ratio and in the nominal range of 36 to 95
for peptizing power.
1.4 The values stated in SI units
are to be regarded as standard. No other units of measurement are
included in this standard.
1.5 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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