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  • BS 5551-2.6(1992) : 1992

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    FERTILIZERS - SAMPLING - GUIDE TO DERIVATION OF A SAMPLING PLAN FOR THE EVALUATION OF A LARGE DELIVERY OF SOLID FERTILIZER

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-1992

    Publisher:  British Standards Institution

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

    Committees responsible
    National foreword
    Introduction
    Guide
    1 Scope
    2 References
    3 Notation and symbols
    4 Preliminary hypotheses
    5 Principle of the sampling plan
    5.1 General
    5.2 Information
    6 Theory of the sampling plan
    6.1 Definitions
    6.2 Determination of limits
    6.3 Use of two non-central t distribution
    6.4 Determination of N and N'
    7 Practical procedure for the determination of N and
         N'
    7.1 Basic information
    7.2 Calculation
    7.3 Simplified calculation when N' > 30
    8 Examples of calculations
    8.1 Calculation by the complete process
    8.2 Simplified calculation
    9 Effect of the values of the various parameters on N
         and K
    10 Evaluation of a delivery
    Annexes
    A Table of values of the standardized normal variable
         u as a function of P
    B Table of values of (1 - (a squared))/(a squared)

    Abstract - (Show below) - (Hide below)

    This sampling plan is applicable to a large delivery of more than 250 t of fertilizer supplied for resale in small lots, each of which would be subject to legislation. Large amount is understood to be 5,000 t, 10,000 t or more. Covers references, notation and symbols, preliminary hypotheses, principle of the sampling plan, general, information, what is determined by the proposed method, theory of the sampling plan, definitions, determination of limits, use of two non-central t distribution, basic information, calculation, examples of calculations, calculation by the complete process and evaluation of a delivery.

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    Committee CII/37
    Development Note Supersedes 91/57860 DC (04/2005) Also numbered as ISO TR 5307. (08/2005) Reviewed and confirmed by BSI, March 2017. (03/2017)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

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

    BS 5551-2.1(1993) : 1993 FERTILIZERS - SAMPLING - SIMPLE SAMPLING METHOD FOR SMALL LOTS OF SOLID FERTILIZER

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

    BS 5551-2.9(1991) : 1991 FERTILIZERS - SAMPLING - SAMPLING PLAN FOR THE EVALUATION OF A LARGE DELIVERY OF SOLID FERTILIZER
    BS 5551-1.2(1986) : 1986 FERTILIZERS - TERMINOLOGY AND LABELLING - GLOSSARY OF TERMS
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