NS EN ISO 385 : 1ED 2005

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 burette
6 Maximum permissible errors
7 Material
8 Construction
   8.1 Dimensions
   8.2 Top of burette
   8.3 Stopcocks and similar devices
   8.4 Stopcock leakage
   8.5 Delivery jet
   8.6 Delivery time
   8.7 Waiting time
9 Graduation, figuring and patterns
   9.1 Graduating patterns
   9.2 Position of graduation lines
   9.3 Marking of graduation lines
10 Setting of the meniscus
11 Markings
12 Visibility of graduation lines, numbers and
   inscriptions
Annex A (normative) Burettes for which no waiting time
                    is specified
Annex B (normative) Burettes for which a 30 s waiting
                    time is specified
Bibliography

Gives metrological and construction requirements for an internationally acceptable series of burettes, suitable for general laboratory purposes.