NS EN ISO 835 : 1ED 2007
Current
The latest, up-to-date edition.
LABORATORY GLASSWARE - GRADUATED PIPETTES
12-01-2013
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 pipettes
6 Maximum permissible errors
7 Construction
7.1 Material
7.2 Dimensions
7.3 Top of pipette
7.4 Delivery jet
7.5 Delivery time
7.6 Waiting time
8 Graduation, figuring and patterns
8.1 Graduation patterns
8.2 Position of graduation lines
8.3 Figuring of graduation lines
9 Setting of the meniscus
10 Marking
11 Visibility of graduation lines, figures and
inscriptions
12 Colour coding
Annex A (normative) Definition of capacities and
delivery times
Bibliography
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