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BS EN ISO 8655-6:2022

BS EN ISO 8655-6:2022

$142.49

Piston-operated volumetric apparatus – Gravimetric reference measurement procedure for the determination of volume

Published By Publication Date Number of Pages
BSI 2022 28
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This document specifies a gravimetric reference measurement procedure for the determination of volume of piston-operated volumetric apparatus (POVA). The procedure is 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 (Ex) or contained (In).

PDF Catalog

PDF Pages PDF Title
2 undefined
4 European foreword
Endorsement notice
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 General requirements
5 Test equipment
5.1 General
5.2 Balance
11 5.3 Liquid reservoir
5.4 Weighing vessel
5.5 Measuring devices
6 Test liquid
7 Test conditions
7.1 General
7.2 Test room
12 7.3 Evaporation
7.4 Test cycle time
8 Procedure
8.1 General
8.1.1 Test volume
8.1.2 Number of measurements
8.1.3 Weighing procedure
13 8.1.4 Test conditions during weighing procedure
8.1.5 Dispensing of samples
8.2 Preparation
8.3 Single-channel air displacement pipettes (in accordance with ISO 8655-2)
8.3.1 General
8.3.2 Test cycle
15 8.4 Multi-channel pipettes (in accordance with ISO 8655-2)
8.5 Positive displacement pipettes (in accordance with ISO 8655-2)
8.6 Burettes (in accordance with ISO 8655-3)
16 8.7 Dilutors (in accordance with ISO 8655-4)
8.7.1 General
8.7.2 Test cycle
17 8.8 Dispensers (in accordance with ISO 8655-5)
8.9 Syringes (in accordance with ISO 8655-9)
8.9.1 General
8.9.2 Test cycle
18 9 Evaluation
9.1 Calculation of evaporation loss
9.2 Calculation of the corrected weighing value of each quantity delivered
9.3 Conversion of the corrected weighing values to volume
9.3.1 General
9.3.2 Calculation of volume using the general formula
20 9.3.3 Calculation of volume using the Z correction factor
9.3.4 Mean delivered volume
21 9.4 Systematic error of measurement
9.5 Random error of measurement
9.6 Uncertainty of measurement
22 10 Reporting of results
23 Annex A (informative) Calculation of volumes from balance readings
24 Bibliography

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BS EN ISO 8655-6:2022
$142.49