UNI EN ISO 648 : 2009
Current
The latest, up-to-date edition.
LABORATORY GLASSWARE - SINGLE-VOLUME PIPETTES
01-28-2009
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
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