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BS EN ISO 8655-6:2022 – TC

BS EN ISO 8655-6:2022 – TC

$186.33

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

Published By Publication Date Number of Pages
BSI 2022 68
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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
1 30458831
43 A-30375701
44 undefined
46 European foreword
Endorsement notice
49 Foreword
50 Introduction
51 1 Scope
2 Normative references
3 Terms and definitions
52 4 General requirements
5 Test equipment
5.1 General
5.2 Balance
53 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
54 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
55 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
57 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)
58 8.7 Dilutors (in accordance with ISO 8655-4)
8.7.1 General
8.7.2 Test cycle
59 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
60 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
62 9.3.3 Calculation of volume using the Z correction factor
9.3.4 Mean delivered volume
63 9.4 Systematic error of measurement
9.5 Random error of measurement
9.6 Uncertainty of measurement
64 10 Reporting of results
65 Annex A (informative) Calculation of volumes from balance readings
66 Bibliography

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BS EN ISO 8655-6:2022 - TC
$186.33