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BS EN ISO 8655-7:2022 – TC

BS EN ISO 8655-7:2022 – TC

$258.95

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

Published By Publication Date Number of Pages
BSI 2022 120
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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
66 National foreword
68 European foreword
71 Foreword
72 Introduction
73 1 Scope
2 Normative references
74 3 Terms and definitions
4 General requirements
4.1 Metrological confirmation
4.2 Uncertainty of measurement
4.3 Operator qualification
75 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
76 6.4 Test volumes
6.4.1 Fixed volume POVA
6.4.2 Adjustable volume POVA
6.5 Number of measurements per test volume
77 6.6 Test liquids
7 Evaluation
7.1 Mean volume
7.2 Systematic error of measurement
78 7.3 Random error of measurement
8 Test methods
8.1 General
79 8.2 Gravimetric method
8.3 Dual-dye ratiometric photometric method
8.4 Single dye photometric method
80 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
81 9.3 Single-channel air displacement pipettes (in accordance with ISO 8655‑2)
9.3.1 General
9.3.2 Test cycle
82 9.4 Multi-channel pipettes (in accordance with ISO 8655‑2)
83 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
84 9.7.2 Test cycle
9.8 Dispensers (in accordance with ISO 8655‑5)
85 9.9 Syringes (in accordance with ISO 8655‑9)
9.9.1 General
9.9.2 Test cycle
10 Reporting of results
87 Annex A (normative) Gravimetric procedure
92 Annex B (normative) Dual-dye ratiometric photometric procedure
99 Annex C (normative) Single dye photometric procedure
103 Annex D (normative) Photometric/gravimetric hybrid procedure
111 Annex E (normative) Titrimetric procedure
115 Annex F (normative) Conversion of liquid mass to volume
118 Bibliography

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BS EN ISO 8655-7:2022 - TC
$258.95