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BS EN ISO 8655-7:2022

BS EN ISO 8655-7:2022

$198.66

Piston-operated volumetric apparatus – Alternative measurement procedures for the determination of volume

Published By Publication Date Number of Pages
BSI 2022 56
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This document specifies alternative measurement procedures for the determination of  volume of piston-operated volumetric apparatus. The procedures are applicable to complete systems comprising the basic apparatus and all parts selected for use with the apparatus, disposable or reusable, involved in the measurement by delivery process (Ex). Methods described in this document are suitable for various maximum nominal volumes of piston-operated volumetric apparatus. It is the responsibility of the user to select the appropriate method.

PDF Catalog

PDF Pages PDF Title
2 National foreword
4 European foreword
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
10 3 Terms and definitions
4 General requirements
4.1 Metrological confirmation
4.2 Uncertainty of measurement
4.3 Operator qualification
11 5 Performance requirements
5.1 Performance tolerances
5.2 Operator impact
6 Test conditions
6.1 General
6.2 Test equipment
6.3 Test room, environmental conditions
12 6.4 Test volumes
6.4.1 Fixed volume POVA
6.4.2 Adjustable volume POVA
6.5 Number of measurements per test volume
13 6.6 Test liquids
7 Evaluation
7.1 Mean volume
7.2 Systematic error of measurement
14 7.3 Random error of measurement
8 Test methods
8.1 General
15 8.2 Gravimetric method
8.3 Dual-dye ratiometric photometric method
8.4 Single dye photometric method
16 8.5 Hybrid photometric/gravimetric method for multichannel POVA
8.6 Titration method
8.7 Batch testing
9 Dispense procedures
9.1 General
9.2 Preparation
17 9.3 Single-channel air displacement pipettes (in accordance with ISO 8655‑2)
9.3.1 General
9.3.2 Test cycle
18 9.4 Multi-channel pipettes (in accordance with ISO 8655‑2)
19 9.5 Positive displacement pipettes (in accordance with ISO 8655‑2)
9.6 Burettes (in accordance with ISO 8655‑3)
9.7 Dilutors (in accordance with ISO 8655‑4)
9.7.1 General
20 9.7.2 Test cycle
9.8 Dispensers (in accordance with ISO 8655‑5)
21 9.9 Syringes (in accordance with ISO 8655‑9)
9.9.1 General
9.9.2 Test cycle
10 Reporting of results
23 Annex A (normative) Gravimetric procedure
28 Annex B (normative) Dual-dye ratiometric photometric procedure
35 Annex C (normative) Single dye photometric procedure
39 Annex D (normative) Photometric/gravimetric hybrid procedure
47 Annex E (normative) Titrimetric procedure
51 Annex F (normative) Conversion of liquid mass to volume
54 Bibliography

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BS EN ISO 8655-7:2022
$198.66