Crude petroleum and petroleum products - Determination of density - Oscillating U-tube method (ISO 12185:1996)

Gives a method for the determination, using an oscillation U-tube densitometer, of the density of crude petroleum and related products within the range 600 kg/m^3 to 1 100 kg/m^3 which can be handled as single-phase liquids at the test temperature and pressure.

Rohöl und Mineralölerzeugnisse - Bestimmung der Dichte - U-Rohr-OSZillationsverfahren (ISO 12185:1996)

Pétroles bruts et produits pétroliers - Détermination de la masse volumique - Méthode du tube en U oscillant (ISO 12185:1996)

La présente Norme internationale prescrit une méthode pour la détermination, au moyen d'un densimètre à tube en U oscillant, de la masse volumique des pétroles bruts et produits pétroliers qui sont des liquides monophasés à la température et à la pression d'essai dans le domaine de masse volumique compris entre 600 kg/m3 et 1 100 kg/m3.  La présente Norme internationale est applicable aux liquides de n'importe quelle tension de vapeur, dans la mesure où des précautions appropriées sont prises pour s'assurer que ces liquides restent à l'état monophasé sans perte des fractions légères et changement consécutif de la composition et de la masse volumique au cours de la manipulation de l'échantillon et au cours du mesurage de sa masse volumique.  
NOTE 1 Si la masse volumique déterminée est à convertir en une masse volumique à une température de référence, en utilisant des tables de mesure du pétrole, il convient d'effectuer la détermination à une température aussi proche que possible de la température de référence, afin de minimiser les incertitudes liées à l'utilisation de tables généralisées.  La présente méthode n'est pas applicable aux densimètres en ligne.

Surova nafta in naftni proizvodi - Določanje gostote - Metoda z oscilirajočo U-cevjo (ISO 12185:1996)

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Standards Content (Sample)

SIST EN ISO 12185:1998
Crude petroleum and petroleum products - Determination of density - Oscillating U-tube
method (ISO 12185:1996)
Rohöl und Mineralölerzeugnisse - Bestimmung der Dichte - U-Rohr-
OSZillationsverfahren (ISO 12185:1996)
Pétroles bruts et produits pétroliers - Détermination de la masse volumique - Méthode du
tube en U oscillant (ISO 12185:1996)
Ta slovenski standard je istoveten z: EN ISO 12185:1996
75.040 Surova nafta Crude petroleum
75.080 Naftni proizvodi na splošno Petroleum products in
SIST EN ISO 12185:1998 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 12185:1998

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SIST EN ISO 12185:1998

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SIST EN ISO 12185:1998

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SIST EN ISO 12185:1998

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SIST EN ISO 12185:1998

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SIST EN ISO 12185:1998
First edition
Crude Petroleum and Petroleum
- Determination of density -
Oscillating Umtube method
P&roles bruts et produits petroliers - Determination de Ia masse
volumique - Methode du tube en U oscillant
Reference number
ISO 12185:1996(E)

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SIST EN ISO 12185:1998
ISO 12185:1996(E)
ISO (the International Organization for Standardization) is a worldwide
federation of national Standards bodies (ISO member bodies). The work
of preparing International Standards is normally carried out through ISO
technical committees. Esch member body interested in a subject for
which a technical committee has been established has the right to be
represented on that committee. International organizations, governmental
and non-governmental, in liaison with ISO, also take part in the work. ISO
collaborates closely with the International Electrotechnical Commission
(IEC) on all matters of electrotechnical standardization.
Draft International Standards adopted by the technical committees are
circulated to the member bodies for voting. Publication as an International
Standard requires approval by at least 75 % of the member bodies casting
a vote.
International Standard ISO 12185 was prepared by Technical Committee
ISO/TC 28, Petroleum products and lubricants, Subcommittee SC 3,
Static Petroleum measurement.
Ann ex A forms an integral part of this International Standard. Annex B is
for i nformation only.
0 ISO 1996
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced
or utilized in any form or by any means, electronie or mechanical, including photocopyrng and
microfilm, without Permission in writing from the publisher.
International Organrzation for Standardization
Case Postale 56 l CH-l 211 Geneve 20 l Switzerland
Printed in Switzerland

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SIST EN ISO 12185:1998
Crude Petroleum and Petroleum products -
Determination of density - Oscillating U-tube method
WARNING - The use of this International Standard may involve hazardous materials, operations
and equipment. This Standard does not purport to address all of the safety Problems associated
with its use. lt 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.
based on this International Standard are encouraged
1 Scope
to investigate the possibility of applying the most re-
cent editions of the Standards indicated below.
This International Standard specifies a method for the
Members of IEC and ISO maintain registers of cur-
determination, using an oscillating U-tube density
rently valid International Standards.
meter, of the density of crude Petroleum and related
products within the range 600 kg/m3 to 1 100 kg/m3
ISO 91-1 :1992, Petroleum measurement tables -
which tan be handled as Single-Phase liquids at the
Part 1: Tables based on reference temperatures of
test temperature and pressure.
15 “C and 60 degrees F.
This International Standard is applicable to liquids of
ISO 91-2: 1991, Petroleum measuremen t tables -
any vapour pressure as long as suitable precautions
Part 2: Tables based on a reference temperature of
are taken to ensure that they remain in Single Phase
20 “C.
with no loss of light ends and subsequent changes in
composition and density during both the Sample
ISO 3015:1992, Petroleum products - Determination
handling and the density determination.

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