Petroleum and related products from natural or synthetic sources - Determination of pour point (ISO 3016:2019)

This document specifies a method for the determination of the pour point of petroleum products. A separate procedure suitable for the determination of the lower pour point of fuel oils, heavy lubricant base stock, and products containing residual fuel components is also described.

Mineralölerzeugnisse und verwandte Produkte mit natürlichem oder synthetischem Ursprung - Bestimmung des Pourpoints (ISO 3016:2019)

Dieses Dokument legt ein Verfahren zur Bestimmung des Pourpoints von Mineralölerzeugnissen fest. Ein gesondertes Verfahren zur Bestimmung des unteren Pourpoints von Heizölen, schweren Grundölen für Schmieröle und Produkten, die Rückstandsbrennstoffkomponenten enthalten, wird ebenfalls beschrieben.
Das in diesem Dokument beschriebene Verfahren ist nicht für Rohöle geeignet.
ANMERKUNG   Es stehen Geräte zur Verfügung, die ein automatisiertes Verfahren ähnlich dem in diesem Dokument beschriebenen Verfahren anwenden. Deren Präzision wurde jedoch nicht ermittelt .

Produits pétroliers et dérivés - Détermination du point d'écoulement (ISO 3016:2019)

Le présent document spécifie une méthode d'essai qui permet de déterminer le point d'écoulement des produits pétroliers. Une procédure distincte appropriée pour la détermination des points d'écoulement bas des fiouls, des bases lubrifiantes épaisses et des produits contenant des composés de fioul résiduel est également décrite.
La procédure décrite dans ce document ne convient pas aux pétroles bruts.
NOTE       Un appareil est disponible sur le marché qui utilise une procédure automatisée semblable à celle décrite dans le présent document. Cependant, la fidélité n'a pas été établie dans ce cas[1].
[1] L?ISO élabore une norme de méthode d?essai automatisée.

Naftni in sorodni proizvodi iz naravnih ali sintetičnih virov - Določevanje točke tečenja (ISO 3016:2019)

Ta dokument določa metodo za določevanje točke tečenja naftnih proizvodov. Opisan je tudi poseben postopek, ki je primeren za določanje nižjih točk tečenja kurilnih olj, težkih baznih olj in izdelkov, ki vsebujejo ostanke komponent goriva.

General Information

Status
Published
Public Enquiry End Date
01-Aug-2018
Publication Date
10-Jun-2019
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
04-Jun-2019
Due Date
09-Aug-2019
Completion Date
11-Jun-2019

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SLOVENSKI STANDARD
SIST EN ISO 3016:2019
01-julij-2019
Nadomešča:
SIST ISO 3016:1996

Naftni in sorodni proizvodi iz naravnih ali sintetičnih virov - Določevanje točke

tečenja (ISO 3016:2019)

Petroleum and related products from natural or synthetic sources - Determination of pour

point (ISO 3016:2019)
Mineralölerzeugnisse und verwandte Produkte mit natürlichem oder synthetischem
Ursprung - Bestimmung des Pourpoints (ISO 3016:2019)

Produits pétroliers et dérivés - Détermination du point d'écoulement (ISO 3016:2019)

Ta slovenski standard je istoveten z: EN ISO 3016:2019
ICS:
75.080 Naftni proizvodi na splošno Petroleum products in
general
SIST EN ISO 3016:2019 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 3016:2019
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SIST EN ISO 3016:2019
EN ISO 3016
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2019
EUROPÄISCHE NORM
ICS 75.080
English Version
Petroleum and related products from natural or synthetic
sources - Determination of pour point (ISO 3016:2019)

Produits pétroliers et connexes d'origine naturelle ou Mineralölerzeugnisse und verwandte Produkte mit

synthétique - Détermination du point natürlichem oder synthetischem Ursprung -
d'écoulement(ISO 3016:2019) Bestimmung des Pourpoints (ISO 3016:2019)
This European Standard was approved by CEN on 23 March 2019.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references

concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN

member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by

translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management

Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 3016:2019 E

worldwide for CEN national Members.
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SIST EN ISO 3016:2019
EN ISO 3016:2019 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

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SIST EN ISO 3016:2019
EN ISO 3016:2019 (E)
European foreword

This document (EN ISO 3016:2019) has been prepared by Technical Committee ISO/TC 28 "Petroleum

and related products, fuels and lubricants from natural or synthetic sources" in collaboration with

Technical Committee CEN/TC 19 “Gaseous and liquid fuels, lubricants and related products of

petroleum, synthetic and biological origin.” the secretariat of which is held by NEN.

This European Standard shall be given the status of a national standard, either by publication of an

identical text or by endorsement, at the latest by November 2019, and conflicting national standards

shall be withdrawn at the latest by November 2019.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,

Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,

France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,

Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
Endorsement notice

The text of ISO 3016:2019 has been approved by CEN as EN ISO 3016:2019 without any modification.

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SIST EN ISO 3016:2019
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SIST EN ISO 3016:2019
INTERNATIONAL ISO
STANDARD 3016
Third edition
2019-04
Petroleum and related products
from natural or synthetic sources —
Determination of pour point
Produits pétroliers et connexes d’origine naturelle ou synthétique —
Détermination du point d'écoulement
Reference number
ISO 3016:2019(E)
ISO 2019
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SIST EN ISO 3016:2019
ISO 3016:2019(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2019

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved
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SIST EN ISO 3016:2019
ISO 3016:2019(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Principle ........................................................................................................................................................................................................................ 2

5 Apparatus ..................................................................................................................................................................................................................... 2

6 Sampling ........................................................................................................................................................................................................................ 3

7 Procedure..................................................................................................................................................................................................................... 4

8 Expression of results ........................................................................................................................................................................................ 6

9 Precision ....................................................................................................................................................................................................................... 6

9.1 General ........................................................................................................................................................................................................... 6

9.2 Lubricating oils ....................................................................................................................................................................................... 6

9.2.1 General...................................................................................................................................................................................... 6

9.2.2 Repeatability ....................................................................................................................................................................... 6

9.2.3 Reproducibility .................................................................................................................................................................. 6

9.3 Middle distillate and residual fuels ....................................................................................................................................... 6

9.3.1 General...................................................................................................................................................................................... 6

9.3.2 Repeatability ....................................................................................................................................................................... 7

9.3.3 Reproducibility .................................................................................................................................................................. 7

10 Test report ................................................................................................................................................................................................................... 7

Annex A (normative) Specifications of temperature measuring devices ....................................................................... 8

Annex B (informative) Commonly used chemicals and freezing mixtures ................................................................10

Annex C (informative) Actual derived precision values ................................................................................................................11

Bibliography .............................................................................................................................................................................................................................12

© ISO 2019 – All rights reserved iii
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SIST EN ISO 3016:2019
ISO 3016:2019(E)
Foreword

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. Each 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.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see www .iso

.org/iso/foreword .html.

This document was prepared by Technical Committee ISO/TC 28, Petroleum and related products, fuels

and lubricants from natural or synthetic sources.

This third edition cancels and replaces the second edition (ISO 3016:1994), which has been technically

revised. The main changes compared to the previous edition are as follows:
— inclusion of digital contact thermometer in 5.2.1;
— update of normative references in Clause 2;
[1]

— chemicals and mixtures moved from former Clause 4 to Annex B (alignment with ISO 3015 );

[2]

— bath and sample temperature ranges have been aligned with ASTM D97 , changes in bath

temperature and the temperatures at which the test jars are moved to the batch with the next lower

temperature have over the years (1994 up to the time of publication of this document) not led to

observation of a bias versus test results obtained with the former edition;
— option for using automatic apparatus has been removed as being non-applicable;

— automated apparatus no longer being addressed as its use is at the discretion of the laboratory and

the precision does not apply to that equipment;
— addition of sampling instructions in Clause 6;
[2]
— alignment of Clause 9 on precision, with ASTM D97 and introduction of Annex C;
— addition of a Bibliography.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/members .html.
iv © ISO 2019 – All rights reserved
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SIST EN ISO 3016:2019
INTERNATIONAL STANDARD ISO 3016:2019(E)
Petroleum and related products from natural or synthetic
sources — Determination of pour point

WARNING — The use of this document can involve hazardous materials, operations and

equipment. This document does not purport to address all of the safety problems associated

with its use. It is the responsibility of the users of this document to take appropriate measures

to ensure the safety and health of personnel prior to the application of this document, and to

determine the applicability of any other restrictions.
1 Scope

This document specifies a method for the determination of the pour point of petroleum products. A

separate procedure suitable for the determination of the lower pour point of fuel oils, heavy lubricant

base stock, and products containing residual fuel components is also described.
The procedure described in this document is not suitable for crude oils.

NOTE There is equipment available that uses an automated procedure similar to the one described in this

document. However, the precision thereof has not been established .
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

ISO 3170, Petroleum liquids — Manual sampling
ISO 3171, Petroleum liquids — Automatic pipeline sampling

ASTM D7962, Practice for Determination of Minimum Immersion Depth and Assessment of Temperature

Sensor Measurement Drift
ASTM E2877, Guide for Digital Contact Thermometers
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https: //www .iso .org/obp
— IEC Electropedia: available at http: //www .electropedia .org/
3.1
pour point

lowest temperature at which a sample of petroleum product will continue to flow when it is cooled

under specified standard conditions
1) ISO develops an automated test method standard.
© ISO 2019 – All rights reserved 1
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SIST EN ISO 3016:2019
ISO 3016:2019(E)
4 Principle

After preliminary heating, the sample is cooled at a specified rate and examined at intervals of 3 °C

for flow characteristics. The lowest temperature at which movement ('pour' or 'flow') of the sample is

observed is recorded as the pour point.
5 Apparatus

5.1 Test jar, cylindrical, of clear glass, flat-bottomed, 33,2 mm to 34,8 mm outside diameter and

115 mm to 125 mm in height. The test jar shall have an inside diameter of 30,0 mm to 32,4 mm, with

the constraint that the wall thickness be no greater than 1,6 mm. The jar shall be marked with a line to

indicate a contents level 54 mm ± 3 mm above the inside bottom representing 45 ml ± 1 ml. See Figure 1.

5.2 Temperature measuring device, one of the following:

5.2.1 Digital contact thermometer (DCT), meeting the requirements specified in A.1.

5.2.2 Liquid-in-glass thermometers, partial immersion type conforming to the specifications

given in A.2.

Since separation of liquid column thermometers occasionally occurs and may escape detection,

thermometers should be checked immediately prior to the test and used only if they prove accurate

within ± 1 °C (for example ice point).

5.3 Cork, to fit the test jar, bored centrally for the test temperature measuring device.

5.4 Jacket, watertight, cylindrical metal, flat-bottomed, 115 mm ± 3 mm in depth with inside diameter

44,2 mm to 45,8 mm, and a wall thickness of approximately 1 mm. It shall be supported in a vertical

position in the cooling bath (5.7) so that no more than 25 mm projects out of the cooling medium, and

shall be capable of being cleaned.

5.5 Disc, of cork or felt approximately 6 mm in thickness, to fit loosely inside the jacket.

5.6 Gasket, ring form, approximately 5 mm in thickness, to fit snugly on the outside of the test jar and

loosely inside the jacket. This gasket shall be made of rubber, leather or other suitable material, elastic

enough to cling to the test jar and hard enough to hold its shape.

NOTE The purpose of the ring gasket is to prevent the test jar from touching the jacket.

5.7 Cooling baths, maintained at prescribed temperatures with a firm support to hold the jacket

vertical. The required bath temperatures may be obtained by refrigeration if available, otherwise by

suitable cooling mixtures. Cooling mixtures commonly used for bath temperatures are given in Annex B.

5.8 Timing device, capable of measuring up to 30 s with an accuracy of 0,2 s.
2 © ISO 2019 – All rights reserved
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