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I.S. EN ISO 648:2008

Current
Current

The latest, up-to-date edition.

LABORATORY GLASSWARE - SINGLE-VOLUME PIPETTES
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2008

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Basis of adjustment
   4.1 Unit of volume
   4.2 Delivery volume
   4.3 Reference temperature
5 Types and classes of accuracy
   5.1 Classes of accuracy
   5.2 Types of single-volume pipette
6 Maximum permissible errors
7 Construction
   7.1 Material
   7.2 Shape
   7.3 Bulb
   7.4 Dimensions
   7.5 Top of pipette
   7.6 Delivery jet
   7.7 Delivery time
   7.8 Waiting time
8 Graduation line(s)
9 Setting of the meniscus
10 Marking
11 Visibility of graduation lines, figures and inscriptions
12 Colour coding
Bibliography

Describes 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.

DocumentType
Standard
Pages
20
PublisherName
National Standards Authority of Ireland
Status
Current

Standards Relationship
EN ISO 648:2008 Identical
ISO 648:2008 Identical

ISO 4794:1982 Laboratory glassware Methods for assessing the chemical resistance of enamels used for colour coding and colour marking
ISO 835:2007 Laboratory glassware — Graduated pipettes
ISO 384:2015 Laboratory glass and plastics ware Principles of design and construction of volumetric instruments
ISO 1769:1975 Laboratory glassware Pipettes Colour coding
ISO 8655-2:2002 Piston-operated volumetric apparatus Part 2: Piston pipettes
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
ISO 719:1985 Glass Hydrolytic resistance of glass grains at 98 degrees C Method of test and classification

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