Hivatkozási szám

MSZ EN ISO 6245:2003

Dokumentumazonosító

623985

Cím

Ásványolajtermékek. A hamu meghatározása (ISO 6245:2001)

Angol cím

Petroleum products. Determination of ash (ISO 6245:2001)

Alkalmazási terület

This International Standard specifies a method for the determination of the ash content of petroleum products, such as distillate and residual fuel oils, crude petroleum, lubricating oils, waxes and other petroleum products, in which any ash-forming constituents present are normally considered to be undesirable impurities or contaminants. Ash can result from oil-soluble or water-soluble metallic compounds or from extraneous solids such as dirt and rust. The method is applicable to products having ash contents in the range 0,001 % (m/m) to 0,180 % (m/m), but does not apply to products which contain ash-forming additives, including certain phosphorus compounds. The analysis of unused or used lubricating oils containing additives, used engine crankcase oils, lubricating oils containing lead, or certain non-hydrocarbon diesel fuels, should be determined using ISO 3987^1)ˇ, which includes a step to produce sulfated ash of higher melting point. NOTE 1 For the purposes of this International Standard, the term “% (m/m)” is used to represent the mass fraction of a material. NOTE 2 With certain types of samples, the test results may not account quantitatively for all the metal compounds capable of forming an ash. Some unused lubricating oils and distillate fuel oils contain metal inorganic additives of low molecular mass (e.g. sodium, potassium), where the metal oxide may sublime below the temperatures specified in this International Standard.

ICS

75.080 Kőolajtermékek általában

Műszaki Bizottság

A szabvány nyelve

angol

Az érvényesség kezdete

2003-03-01

Forrás

idt EN ISO 6245:2002; idt ISO 6245:2001

Előd

MSZ EN ISO 6245:1999

Utód

Módosítás

SZK-közlemények

Kapcsolódó európai jogszabály

A szabvány

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