ISO 8655-6:2002
Piston-operated volumetric apparatus — Part 6: Gravimetric methods for the determination of measurement error
ISO 8655-6:2002 specifies the gravimetric determination of errors of measurement for conformity testing of piston-operated volumetric apparatus. The tests 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 uptake (In) or delivery (Ex) process.
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TitlePage - Piston-operated volumetric apparatus—
TableofContent - Contents Page
Foreword - Foreword
Introduction - Introduction
Scope - 1 Scope
NormativeReference - 2 Normative references
Clause1 - 4 Apparatus
UntitledSubclause2 - 4.1 Analytical balance or equivalent weighing device
UntitledSubclause2 - 4.2 Liquid reservoir
UntitledSubclause2 - 4.3 Weighing vessel
UntitledSubclause2 - 4.4 Timing device
UntitledSubclause2 - 4.5 Thermometer
UntitledSubclause2 - 4.6 Hygrometer
UntitledSubclause2 - 4.7 Barometer
Clause1 - 5 Test liquid
Clause1 - 6 Test conditions
Subclause2 - 6.1 General
Subclause2 - 6.2 Test room
Subclause2 - 6.3 Evaporation
Subclause2 - 6.4 Test cycle time
Clause1 - 7 Procedure
Subclause2 - 7.1 General
Subclause3 - 7.1.1 Test volume
Subclause3 - 7.1.2 Number of measurements per test volume
Subclause3 - 7.1.3 Weighing procedure
Subclause3 - 7.1.4 Test conditions during the weighing procedure
Subclause2 - 7.2 Single-channel piston pipettes with air interface (in accordance with ISO865...
UntitledSubclause3 - 7.2.1 In the case of power-driven piston pipettes, aspiration and deliver...
UntitledSubclause3 - 7.2.2 Place test liquid from the water container in the weighing vessel t...
UntitledSubclause3 - 7.2.3 If using a variable-volume piston pipette, select the test volume; ...
UntitledSubclause3 - 7.2.4 Prepare the piston pipette and the test cycle as follows:
UntitledSubclause3 - 7.2.5 Perform the following test cycle (see
UntitledSubclause3 - 7.2.6 Repeat the test cycle described in
UntitledSubclause3 - 7.2.7 Note the time to the nearest second taken to complete the 10test c...
UntitledSubclause3 - 7.2.8 After the last weighing of
UntitledSubclause3 - 7.2.9 Measure the temperature of the remaining test liquid to the nearest
UntitledSubclause3 - 7.2.10 The values obtained shall be evaluated in accordance with
Subclause2 - 7.3 Multi-channel piston pipettes (in accordance with ISO8655-2)
Subclause2 - 7.4 Positive-displacement pipettes (in accordance with ISO8655-2)
Subclause2 - 7.5 Piston burettes (in accordance with ISO8655-3)
Subclause3 - 7.5.1 Preparation
Subclause3 - 7.5.2 Test procedure
Subclause2 - 7.6 Dilutors (in accordance with ISO8655-4)
Subclause3 - 7.6.1 General
Subclause3 - 7.6.2 Preparation
Subclause3 - 7.6.3 Test procedure
Subclause2 - 7.7 Dispensers (in accordance with ISO8655-5)
Subclause3 - 7.7.1 Preparation
Subclause3 - 7.7.2 Test procedure
Clause1 - 8 Evaluation
Subclause2 - 8.1 Calculation of mass loss
Subclause2 - 8.2 Calculation of the corrected mass of each quantity delivered
Subclause2 - 8.3 Conversion of the corrected mass to volume
Subclause2 - 8.4 Systematic error of measurement
Subclause3 - 8.4.1 Calculation
Subclause3 - 8.4.2 Conformity evaluation
Subclause2 - 8.5 Random error of measurement
Subclause3 - 8.5.1 Calculation
Subclause3 - 8.5.2 Conformity evaluation
Subclause2 - 8.6 Uncertainty of measurement
Clause1 - 9 Test report
AnnexNormative - Calculation of volumes from balance readings
AnnexInformative - Assessment of the uncertainty of the delivered volume
Bibliography - Bibliography
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TitlePage - Piston-operated volumetric apparatus—
TableofContent - Contents Page
Foreword - Foreword
Introduction - Introduction
Scope - 1 Scope
NormativeReference - 2 Normative references
Clause1 - 4 Apparatus
UntitledSubclause2 - 4.1 Analytical balance or equivalent weighing device
UntitledSubclause2 - 4.2 Liquid reservoir
UntitledSubclause2 - 4.3 Weighing vessel
UntitledSubclause2 - 4.4 Timing device
UntitledSubclause2 - 4.5 Thermometer
UntitledSubclause2 - 4.6 Hygrometer
UntitledSubclause2 - 4.7 Barometer
Clause1 - 5 Test liquid
Clause1 - 6 Test conditions
Subclause2 - 6.1 General
Subclause2 - 6.2 Test room
Subclause2 - 6.3 Evaporation
Subclause2 - 6.4 Test cycle time
Clause1 - 7 Procedure
Subclause2 - 7.1 General
Subclause3 - 7.1.1 Test volume
Subclause3 - 7.1.2 Number of measurements per test volume
Subclause3 - 7.1.3 Weighing procedure
Subclause3 - 7.1.4 Test conditions during the weighing procedure
Subclause2 - 7.2 Single-channel piston pipettes with air interface (in accordance with ISO865...
UntitledSubclause3 - 7.2.1 In the case of power-driven piston pipettes, aspiration and deliver...
UntitledSubclause3 - 7.2.2 Place test liquid from the water container in the weighing vessel t...
UntitledSubclause3 - 7.2.3 If using a variable-volume piston pipette, select the test volume; ...
UntitledSubclause3 - 7.2.4 Prepare the piston pipette and the test cycle as follows:
UntitledSubclause3 - 7.2.5 Perform the following test cycle (see
UntitledSubclause3 - 7.2.6 Repeat the test cycle described in
UntitledSubclause3 - 7.2.7 Note the time to the nearest second taken to complete the 10test c...
UntitledSubclause3 - 7.2.8 After the last weighing of
UntitledSubclause3 - 7.2.9 Measure the temperature of the remaining test liquid to the nearest
UntitledSubclause3 - 7.2.10 The values obtained shall be evaluated in accordance with
Subclause2 - 7.3 Multi-channel piston pipettes (in accordance with ISO8655-2)
Subclause2 - 7.4 Positive-displacement pipettes (in accordance with ISO8655-2)
Subclause2 - 7.5 Piston burettes (in accordance with ISO8655-3)
Subclause3 - 7.5.1 Preparation
Subclause3 - 7.5.2 Test procedure
Subclause2 - 7.6 Dilutors (in accordance with ISO8655-4)
Subclause3 - 7.6.1 General
Subclause3 - 7.6.2 Preparation
Subclause3 - 7.6.3 Test procedure
Subclause2 - 7.7 Dispensers (in accordance with ISO8655-5)
Subclause3 - 7.7.1 Preparation
Subclause3 - 7.7.2 Test procedure
Clause1 - 8 Evaluation
Subclause2 - 8.1 Calculation of mass loss
Subclause2 - 8.2 Calculation of the corrected mass of each quantity delivered
Subclause2 - 8.3 Conversion of the corrected mass to volume
Subclause2 - 8.4 Systematic error of measurement
Subclause3 - 8.4.1 Calculation
Subclause3 - 8.4.2 Conformity evaluation
Subclause2 - 8.5 Random error of measurement
Subclause3 - 8.5.1 Calculation
Subclause3 - 8.5.2 Conformity evaluation
Subclause2 - 8.6 Uncertainty of measurement
Clause1 - 9 Test report
AnnexNormative - Calculation of volumes from balance readings
AnnexInformative - Assessment of the uncertainty of the delivered volume
Bibliography - Bibliography