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  • BS ISO 5725-3 : 1994

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    ACCURACY (TRUENESS AND PRECISION) OF MEASUREMENT METHODS AND RESULTS - PART 3: INTERMEDIATE MEASURES OF THE PRECISION OF A STANDARD MEASUREMENT METHOD

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-1994

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Definitions
    4 General requirement
    5 Important factors
    6 Statistical model
       6.1 Basic model
       6.2 General mean, m
       6.3 Term B
       6.4 Terms B[0], B[1], B[2], etc.
       6.5 Error term, e
    7 Choice of measurement conditions
    8 Within-laboratory study and analysis of intermediate
       precision measures
       8.1 Simplest approach
       8.2 An alternative method
       8.3 Effect of the measurement conditions on the final
            quoted result
    9 Interlaboratory study and analysis of intermediate
       precision measures
       9.1 Underlying assumptions
       9.2 Simplest approach
       9.3 Nested experiments
       9.4 Fully-nested experiment
       9.5 Staggered-nested experiment
       9.6 Allocation of factors in a nested experimental
            design
       9.7 Comparison of the nested design with the procedure
            given in ISO 5725-2
       9.8 Comparison of fully-nested and staggered-nested
            experimental designs
    Annex A (normative) Symbols and abbreviations used in ISO
            5725
    Annex B (normative) Analysis of variance for fully-nested
            experiments
       B.1 Three-factor fully-nested experiment
       B.2 Four-factor fully-nested experiment
    Annex C (normative) Analysis of variance for
            staggered-nested experiments
       C.1 Three-factor staggered-nested experiment
       C.2 Four-factor staggered-nested experiment
       C.3 Five-factor staggered-nested experiment
       C.4 Six-factor staggered-nested experiment
    Annex D (informative) Examples of the statistical
            analysis of intermediate precision experiments
       D.1 Example 1 - Obtaining the [time + operator]-different
            intermediate precision standard deviation, s[I(TO)],
            within a specific laboratory at a particular level
            of the test
       D.2 Example 2 - Obtaining the time-different intermediate
            precision standard deviation by interlaboratory
            experiment
    Annex E (informative) Bibliography
    Figures
    Tables

    Abstract - (Show below) - (Hide below)

    Defines four intermediate precision measures due to changes in observation conditions within a laboratory. It deals exclusively with methods of measurement which yield measurements on a continuous scale and give a single value as the test result.

    General Product Information - (Show below) - (Hide below)

    Committee SS/6
    Development Note Together with BS ISO 5725-1, BS ISO 5725-2, BS ISO 5725-4, BS ISO 5725-5 and BS ISO 5725-6, supersedes BS 5497-1(1987) Supersedes 91/89301 DC (04/2002)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS 4401-6(1996) : 1996 METHODS OF TEST FOR MEAT AND MEAT PRODUCTS - PART 6: DETERMINATION OF CHLORIDE CONTENT (VOLHARD METHOD)
    BS 6200-5(1997) : 1997 SAMPLING AND ANALYSIS OF IRON, STEEL AND OTHER FERROUS METALS - GUIDELINES ON STATISTICAL PROCEDURES
    DD ENV 12140 : 1997 METHOD FOR DETERMINATION OF STABLE CARBON ISOTOPE RATIO ([13]C/[12]C) OF SUGARS FROM FRUIT JUICES, USING ISOTOPE RATIO MASS SPECTROMETRY
    DD ENV 12142 : 1997 METHOD FOR DETERMINATION OF STABLE HYDROGEN ISOTOPE RATIO ([2]H/[1]H) OF WATER FROM FRUIT JUICES, USING ISOTOPE RATIO MASS SPECTROMETRY
    BS 4401-5(1996) : 1996 METHODS OF TEST FOR MEAT AND MEAT PRODUCTS - DETERMINATION OF FREE FAT CONTENT
    DD ENV 12141 : 1997 METHOD FOR DETERMINATION OF STABLE OXYGEN ISOTOPE RATIO ([18]O/[16]O) OF WATER FROM FRUIT JUICES, USING ISOTOPE RATIO MASS SPECTROMETRY
    BS 2782-5.532A(1997) : 1997 METHODS OF TESTING PLASTICS - OPTICAL AND COLOUR PROPERTIES, WEATHERING - PLASTICS - DETERMINATION OF THE TOTAL LUMINOUS TRANSMITTANCE OF TRANSPARENT MATERIALS - SINGLE-BEAM INSTRUMENT
    BS 4325-12(1996) : 1996 METHODS FOR ANALYSIS OF OILSEED RESIDUES - DETERMINATION OF GLUCOSINOLATES CONTENT BY HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY
    BS EN 1528-1 : 1997 FATTY FOOD - DETERMINATION OF PESTICIDES AND POLYCHLORINATED BIPHENYLS (PCBS) - GENERAL
    BS EN 1376 : 1997 FOODSTUFFS - DETERMINATION OF SACCHARIN IN TABLE TOP SWEETENER PREPARATIONS - SPECTROMETRIC METHOD
    BS EN 12147 : 1997 METHOD FOR DETERMINATION OF TITRATABLE ACIDITY OF FRUIT AND VEGETABLE JUICES
    BS EN 12143 : 1997 FRUIT AND VEGETABLE JUICES - ESTIMATION OF SOLUBLE SOLIDS CONTENT - REFRACTOMETRIC METHOD
    BS EN 1378 : 1997 FOODSTUFFS - DETERMINATION OF ASPARTAME IN TABLE TOP SWEETENER PREPARATIONS - METHOD BY HIGH PERFORMANCE LIQUID CHROMATOGRAPHY
    BS EN 12146 : 1997 FRUIT AND VEGETABLE JUICES - ENZYMATIC DETERMINATION OF SUCROSE CONTENT - NADP SPECTROMETRIC METHOD
    BS EN 12148 : 1997 FRUIT AND VEGETABLE JUICES - DETERMINATION OF HESPERIDIN AND NARINGIN IN CITRUS JUICES - METHOD USING HIGH PERFORMANCE LIQUID CHROMATOGRAPHY
    BS EN 12145 : 1997 FRUIT AND VEGETABLE JUICES - DETERMINATION OF TOTAL DRY MATTER - GRAVIMETRIC METHOD WITH LOSS OF MASS ON DRYING
    BS EN ISO 13468-1:1997 PLASTICS - DETERMINATION OF THE TOTAL LUMINOUS TRANSMITTANCE OF TRANSPARENT MATERIALS - PART 1: SINGLE-BEAM INSTRUMENT
    BS EN 12144 : 1997 FRUIT AND VEGETABLE JUICES - DETERMINATION OF TOTAL ALKALINITY OF ASH - TITRIMETRIC METHOD
    BS EN 1379 : 1997 FOODSTUFFS - DETERMINATION OF CYCLAMATE AND SACCHARIN IN LIQUID TABLE TOP SWEETENER PREPARATIONS - METHOD BY HIGH PERFORMANCE LIQUID CHROMATOGRAPHY
    BS EN 1377 : 1997 FOODSTUFFS - DETERMINATION OF ACESULFAME K IN TABLE TOP SWEETENER PREPARATIONS - SPECTROMETRIC METHOD

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results Part 1: General principles and definitions
    ISO Guide 33:2015 Reference materials Good practice in using reference materials
    ISO 5725-6:1994 Accuracy (trueness and precision) of measurement methods and results Part 6: Use in practice of accuracy values
    ISO Guide 35:2017 Reference materials Guidance for characterization and assessment of homogeneity and stability
    ISO 5725-4:1994 Accuracy (trueness and precision) of measurement methods and results Part 4: Basic methods for the determination of the trueness of a standard measurement method
    ISO 3534-2:2006 Statistics Vocabulary and symbols Part 2: Applied statistics
    ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
    ISO 3534-3:2013 Statistics Vocabulary and symbols Part 3: Design of experiments
    ISO 5725-5:1998 Accuracy (trueness and precision) of measurement methods and results — Part 5: Alternative methods for the determination of the precision of a standard measurement method
    ISO 3534-1:2006 Statistics Vocabulary and symbols Part 1: General statistical terms and terms used in probability
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