SIST EN ISO 2811-1:2002

SLOVENSKI STANDARD
SIST EN ISO 2811-1:2002
01-september-2002
%DUYHLQODNL'RORþHYDQMHJRVWRWHGHO0HWRGDVSLNQRPHWURP,62

Paints and varnishes - Determination of density - Part 1: Pyknometer method (ISO 2811-
1:1997)
Beschichtungsstoffe - Bestimmung der Dichte - Teil 1: Pyknometer-Verfahren (ISO 2811-
1:1997)
Peintures et vernis - Détermination de la masse volumique - Partie 1: Méthode
pycnométrique (ISO 2811-1:1997)
Ta slovenski standard je istoveten z: EN ISO 2811-1:2001
ICS:
87.040 Barve in laki Paints and varnishes
SIST EN ISO 2811-1:2002 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 2811-1:2002

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SIST EN ISO 2811-1:2002
EUROPEAN STANDARD
EN ISO 2811-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
August 2001
ICS 87.040
English version
Paints and varnishes - Determination of density - Part 1:
Pyknometer method (ISO 2811-1:1997)
Peintures et vernis - Détermination de la masse volumique Beschichtungsstoffe - Bestimmung der Dichte - Teil 1:
- Partie 1: Méthode pycnométrique (ISO 2811-1:1997) Pyknometer-Verfahren (ISO 2811-1:1997)
This European Standard was approved by CEN on 29 June 2001.
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 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 Management Centre has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,
Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2001 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 2811-1:2001 E
worldwide for CEN national Members.

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SIST EN ISO 2811-1:2002
EN ISO 2811-1:2001 (E)
Foreword
The text of the International Standard from Technical Committee ISO/TC 35 "Paints and
varnishes" of the International Organization for Standardization (ISO) has been taken over as an
European Standard by Technical Committee CEN/TC 139 "Paints and varnishes", the
secretariat of which is held by DIN.
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 February 2002, and conflicting national
standards shall be withdrawn at the latest by February 2002.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of
the following countries are bound to implement this European Standard: Austria, Belgium, Czech
Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg,
Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom.
Endorsement notice
The text of the International Standard ISO 2811-1:1997 has been approved by CEN as a
European Standard without any modification.
NOTE: Normative references to International Standards are listed in annex ZA (normative).
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SIST EN ISO 2811-1:2002
EN ISO 2811-1:2001 (E)
Annex ZA
(normative)
Normative references to international publications with their relevant
European publications
This European Standard incorporates by dated or undated reference, provisions from other
publications. These normative references are cited at the appropriate places in the text and the
publications are listed hereafter. For dated references, subsequent amendments to or revisions of
any of these publications apply to this European Standard only when incorporated in it by
amendment or revision. For undated references the latest edition of the publication referred to
applies (including amendments).
NOTE Where an International Publication has been modified by common modifications, indicated by (mod.),
the relevant EN/HD applies.
Publication Year Title EN/HD Year
ISO 1513 1992 Paints and varnishes - Examination EN ISO 1513 1994
and preparation of samples for
testing
ISO 3696 1987 Water for analytical laboratory use - EN ISO 3696 1995
Specification and test methods
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SIST EN ISO 2811-1:2002

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SIST EN ISO 2811-1:2002
INTERNATIONAL ISO
STANDARD 2811-1
First edition
1997-12-15
Paints and varnishes — Determination of
density —
Part 1:
Pyknometer method
Peintures et vernis — Détermination de la masse volumique —
Partie 1: Méthode pycnométrique
A
Reference number
ISO 2811-1:1997(E)

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SIST EN ISO 2811-1:2002
ISO 2811-1:1997(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.
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 2811-1 was prepared by Technical Committee
ISO/TC 35, Paints and varnishes, Subcommittee SC 9, General test
methods for paints and varnishes.
Together with the other parts, this part of ISO 2811 cancels and replaces
ISO 2811:1974, which has been technically revised.
ISO 2811 consists of the following parts, under the general title Paints and
varnishes — Determination of density:
— Part 1: Pyknometer method
— Part 2: Immersed body (plummet) method
— Part 3: Oscillation method
— Part 4: Pressure cup method
Annex A forms an integral part of this part of ISO 2811. Annex B is for
information only.
©  ISO 1997
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced
or utilized in any form or by any means, electronic or mechanical, including photocopying and
microfilm, without permission in writing from the publisher.
International Organization for Standardization
Case postale 56 • CH-1211 Genève 20 • Switzerland
Internet central@iso.ch
X.400 c=ch; a=400net; p=iso; o=isocs; s=central
Printed in Switzerland
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SIST EN ISO 2811-1:2002
©
INTERNATIONAL STANDARD  ISO ISO 2811-1:1997(E)
Paints and varnishes — Determination of density —
Part 1:
Pyknometer method
1  Scope
This part of ISO 2811 is one of a series of standards dealing with the sampling and testing of paints, varnishes and
related products.
It specifies a method for determining the density of paints, varnishes and related products using a pyknometer.
The method is limited to materials of low or medium viscosity at the temperature of test. The Hubbard pyknometer
can be used for highly viscous materials.
2  Normative references
The following standards contain provisions which, through reference in this text, constitute provisions of this part of
ISO 2811. At the time of publication, the editions indicated were valid. All standards are subject to revision, and
parties to agreements based on this part of ISO 2811 are encouraged to investigate the possibility of applying the
most recent editions of the standards indicated below. Members of IEC and ISO maintain registers of currently valid
International Standards.
ISO 1512:1991, Paints and varnishes — Sampling of products in liquid or paste form.
ISO 1513:1992, Paints and varnishes — Examination and preparation of samples for testing.
ISO 3696:1987, Water for analytical laboratory use — Specification and test methods.
3  Definition
For the purposes of this part of ISO 2811, the following definition applies.
3.1  density, r: The mass divided by the volume of a portion of a material, expressed in grams per millilitre (g/ml).
4  Principle
A pyknometer is filled with the product under test. The density is calculated from the mass of the product in the
pyknometer and the known volume of the pyknometer.
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SIST EN ISO 2811-1:2002
©
ISO
ISO 2811-1:1997(E)
5  Temperature
The effect of temperature on density is highly significant with respect to filling properties, and varies with the type of
product.
For international reference purposes, it is essential to standardize one test temperature, and (23 – 0,5) °C is
specified in this part of ISO 2811. It may be more convenient, however, to carry out comparative testing at some
other agreed temperature, for example (20 – 0,5) °C as specified by relevant weights and measures legislation (see
also annex B, clause B.2).
The test sample and pyknometer shall be conditioned to the specified or agreed temperature, and it shall be
ensured that the temperature variation does not exceed 0,5 °C during test.
6  Apparatus
Ordinary laboratory apparatus and glassware, together with the following:
6.1  Pyknometer
6.1.1  Metal pyknometer, with a volume of either 50 ml or 100 ml, a circular cross-section and a cylindrical form,
made of a smoothly finished corrosion-resistant material with a snugly fitting lid having a hole in its centre. The
inside of the lid shall be concave (see figure 1).
or
6.1.2  Glass pyknometer, with a volume in the range 10 ml to 100 ml (either Gay-Lussac or Hubbard type) (see
figures 2a and 2b).
6.2  Analytical balance, accurate to 1 mg for pyknometers less than 50 ml in volume or accurate to 10 mg for
50 ml to 100 ml pyknometers.
6.3  Thermometer, accurate to 0,2 °C and graduated at intervals of 0,2 °C or finer.
6.4  Temperature-controlled chamber, capable of accommodating the balanc
...