Laboratory glassware - Single-volume pipettes (ISO 648:2008)

ISO 648:2008 specifies metrological and constructional requirements for volumetric pipettes with one mark (total delivery) and for volumetric pipettes with two marks, both of which are adequate for general laboratory purposes.
The details specified are in conformity with the principles of design and construction of volumetric glassware given in ISO 384.

Laborgeräte aus Glas - Vollpipetten (ISO 648:2008)

Diese Internationale Norm legt metrologische und bauliche Anforderungen an Vollpipetten mit einer Ringmarke (vollständige Abgabe) und mit zwei Ringmarken fest, beide geeignet für allgemeine Laborzwecke.
Die festgelegten Einzelheiten entsprechen den in ISO 384 festgelegten Grundlagen für Gestaltung und Bau von Volumenmessgeräten aus Glas.
ANMERKUNG   Für Messpipetten siehe ISO 835. Für Kolbenhubpipetten siehe ISO 8655-2.

Verrerie de laboratoire - Pipettes à un volume (ISO 648:2008)

L'ISO 648:2008 spécifie les exigences de métrologie et de construction s'appliquant aux pipettes volumétriques à un trait (à écoulement total) et aux pipettes volumétriques à deux traits, les deux types étant adaptés à un usage général en laboratoire.
Les détails spécifiés sont conformes aux principes de conception et de construction de l'ISO 384 concernant la verrerie volumétrique.

Laboratorijska steklovina - Pipete z eno oznako volumna (ISO 648:2008)

General Information

Status
Published
Publication Date
14-Oct-2008
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Due Date
15-Oct-2008
Completion Date
15-Oct-2008

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SLOVENSKI STANDARD
SIST EN ISO 648:2008
01-december-2008
1DGRPHãþD
SIST ISO 648:1995
Laboratorijska steklovina - Pipete z eno oznako volumna (ISO 648:2008)
Laboratory glassware - Single volume pipettes (ISO 648:2008)
Laborgeräte aus Glas - Vollpipetten (ISO 648:2008)
Verrerie de laboratoire - Pipettes à un volume (ISO 648:2008)
Ta slovenski standard je istoveten z: EN ISO 648:2008
ICS:
17.060 Merjenje prostornine, mase, Measurement of volume,
gostote, viskoznosti mass, density, viscosity
71.040.20 Laboratorijska posoda in Laboratory ware and related
aparati apparatus
SIST EN ISO 648:2008 en

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

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SIST EN ISO 648:2008
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SIST EN ISO 648:2008
EUROPEAN STANDARD
EN ISO 648
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2008
ICS 17.060
English Version
Laboratory glassware - Single-volume pipettes (ISO 648:2008)

Verrerie de laboratoire - Pipettes à un volume (ISO Laborgeräte aus Glas - Vollpipetten (ISO 648:2008)

648:2008)
This European Standard was approved by CEN on 4 October 2008.

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 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 Management Centre has the same status as the

official versions.

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

France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,

Romania, Slovakia, Slovenia, 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

© 2008 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 648:2008: E

worldwide for CEN national Members.
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SIST EN ISO 648:2008
EN ISO 648:2008 (E)
Contents Page

Foreword..............................................................................................................................................................3

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SIST EN ISO 648:2008
EN ISO 648:2008 (E)
Foreword

This document (EN ISO 648:2008) has been prepared by Technical Committee ISO/TC 48 "Laboratory

glassware and related apparatus" in collaboration with Technical Committee CEN/TC 332 “Laboratory

equipment”, 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 April 2009, and conflicting national standards shall be withdrawn at the

latest by April 2009.

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

rights. CEN [and/or CENELEC] 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, Cyprus, Czech

Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,

Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,

Sweden, Switzerland and the United Kingdom.
Endorsement notice

The text of ISO 648:2008 has been approved by CEN as a EN ISO 648:2008 without any modification.

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SIST EN ISO 648:2008
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SIST EN ISO 648:2008
INTERNATIONAL ISO
STANDARD 648
Second edition
2008-10-15
Laboratory glassware — Single-volume
pipettes
Verrerie de laboratoire — Pipettes à un volume
Reference number
ISO 648:2008(E)
ISO 2008
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SIST EN ISO 648:2008
ISO 648:2008(E)
PDF disclaimer

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COPYRIGHT PROTECTED DOCUMENT
© ISO 2008

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 either ISO at the address below or

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ii © ISO 2008 – All rights reserved
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SIST EN ISO 648:2008
ISO 648:2008(E)
Contents Page

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

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

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

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

4 Basis of adjustment.............................................................................................................................. 2

4.1 Unit of volume....................................................................................................................................... 2

4.2 Delivery volume .................................................................................................................................... 2

4.3 Reference temperature......................................................................................................................... 2

5 Types and classes of accuracy........................................................................................................... 2

5.1 Classes of accuracy ............................................................................................................................. 2

5.2 Types of single-volume pipette ........................................................................................................... 2

6 Maximum permissible errors............................................................................................................... 3

7 Construction.......................................................................................................................................... 3

7.1 Material .................................................................................................................................................. 3

7.2 Shape ..................................................................................................................................................... 3

7.3 Bulb ........................................................................................................................................................ 3

7.4 Dimensions............................................................................................................................................ 4

7.5 Top of pipette ........................................................................................................................................ 5

7.6 Delivery jet............................................................................................................................................. 5

7.7 Delivery time.......................................................................................................................................... 5

7.8 Waiting time........................................................................................................................................... 6

8 Graduation line(s) ................................................................................................................................. 6

9 Setting of the meniscus ....................................................................................................................... 6

10 Marking .................................................................................................................................................. 6

11 Visibility of graduation lines, figures and inscriptions..................................................................... 7

12 Colour coding........................................................................................................................................ 7

Bibliography ....................................................................................................................................................... 8

© ISO 2008 – All rights reserved iii
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SIST EN ISO 648:2008
ISO 648:2008(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.

International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.

The main task of technical committees is to prepare International Standards. 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.

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.

ISO 648 was prepared by Technical Committee ISO/TC 48, Laboratory equipment, Subcommittee SC 6,

Laboratory and volumetric ware.

This second edition cancels and replaces the first edition (ISO 648:1977), which has been technically revised

to incorporate the following modifications:
a) single-volume pipettes with two marks have been added;
b) the waiting time for pipettes Class AS has been reduced to 5 s;
c) dimensions have been modified;
d) the nominal volume of 200 ml has been deleted.
iv © ISO 2008 – All rights reserved
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SIST EN ISO 648:2008
INTERNATIONAL STANDARD ISO 648:2008(E)
Laboratory glassware — Single-volume pipettes
1 Scope

This International Standard specifies metrological and constructional requirements for volumetric pipettes with

one mark (total delivery) and for volumetric pipettes wi
...

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