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Standard ČSN EN ISO 3993 1.6.1998 preview

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ČSN EN ISO 3993 (656105)

Liquified petroleum gas and light hydrocarbons - Determination of density or relative density - Pressure hydrometer method



STANDARD published on 1.6.1998


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The information about the standard:

Designation standards: ČSN EN ISO 3993
Classification mark: 656105
Catalog number: 42964
Publication date standards: 1.6.1998
SKU: NS-168338
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

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The category - similar standards:

Petroleum products and natural gas handling equipmentGaseous fuels

Annotation of standard text ČSN EN ISO 3993 (656105):

Tato norma specifikuje metodu pro stanovení hustoty nebo relativní hustoty zkapalněných ropných plynů a jiných lehkých uhlovodíků. Předepsaný přístroj nesmí být použit pro látky mající tlak par vyšší než 1,4 MPa (14 barů) (absolutní tlak par 1,5 MPa) při teplotě zkoušky. Upozornění - jestliže se pracuje se zkapalněnými lehkými uhlovodíky, musí se vzít v úvahu možná rizika. Požadavky národních, regionálních nebo interních bezpečnostních předpisů by měly být vždy přísně dodržovány. Jsou popsány různé postupy kalibrace, ale pouze jeden, který používá certifikovaný hustoměr je vhodný pro stanovení hustoty při výpočtu množství při dopravě nebo pro daňové účely.

Poznámka - Alternativní metoda pro výpočet hustoty zkapalněných ropných plynů po chromatografické analýe je popsána v ISO 6578.

Pro použití hustoměrů s teploměrem platí ustanovení uvedená v příloze

Preview of the standard ČSN EN ISO 3993 (656105)

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