ISO 384:2015 sets out principles for the design of volumetric instruments manufactured from glass or from plastics in order to facilitate the most reliable and convenient use to the intended degree of accuracy.
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Sisällysluettelo
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Unit of volume and reference temperature
4.1 Unit of volume
4.2 Reference temperature
5 Volumetric accuracy
6 Methods of calibration and use
7 Construction
7.1 Material
7.2 Wall thickness
7.3 Shape
7.4 Capacity
7.5 Stability
7.6 Delivery jets
7.7 Stoppers
7.8 Stopcocks or similar devices
8 Linear dimensions
9 Graduation lines
10 Scales
10.1 Spacing of graduation lines
10.2 Length of graduation lines (see Figure 2)
10.3 Sequence of graduation lines (see Figure 1)
10.4 Position of graduation lines (see Figure 2)
11 Figuring of graduation lines
12 Marking
13 Visibility of graduation lines, figures and inscriptions
Annex A Maximum permissible error in relation to the inner diameter at the meniscus (normative)
ISO 383:1976 Laboratory glassware -- Interchangeable conical ground joints
ISO 4787:2010 Laboratory glassware -- Volumetric instruments -- Methods for testing of capacity and for use
ISO/IEC Guide 99:2007 International vocabulary of metrology -- Basic and general concepts and associated terms (VIM)
ISO 383:1976 Laboratory glassware -- Interchangeable conical ground joints
ISO 4787:2010 Laboratory glassware -- Volumetric instruments -- Methods for testing of capacity and for use
ISO/IEC Guide 99:2007 International vocabulary of metrology -- Basic and general concepts and associated terms (VIM)