• BS ISO 11815:2007

    Current The latest, up-to-date edition.

    Milk. Determination of total milk-clotting activity of bovine rennets

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  31-07-2007

    Publisher:  British Standards Institution

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

    Foreword
    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Principle
    5 Reagents
    6 Apparatus
    7 Sampling
    8 Preparation of test sample
        8.1 Liquid rennet
        8.2 Powdered rennet
    9 Procedure
        9.1 Preparation of substrate
        9.2 Preparation of rennet reference standard solutions
        9.3 Preparation of the calf and adult bovine rennet
              reference working solutions
        9.4 Preparation of rennet test solution
        9.5 Clotting
    10 Calculation and expression of results
        10.1 Calculation
        10.2 Expression of results
    11 Precision
        11.1 Interlaboratory test
        11.2 Repeatability
        11.3 Reproducibility
    12 Test report
    Annex A (informative) Interlaboratory trial
    Bibliography

    Abstract - (Show below) - (Hide below)

    Explains a method for the determination of the total milk-clotting activity of bovine rennet containing only chymosin and bovine pepsin as the active coagulating enzymes on a standard milk substrate at pH 6,5.

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

    Committee AW/5
    Development Note Supersedes 06/30144574 DC. (08/2007)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

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

    ISO 707:2008 Milk and milk products — Guidance on sampling
    ISO 1042:1998 Laboratory glassware One-mark volumetric flasks
    ISO 648:2008 Laboratory glassware — Single-volume pipettes
    ISO 5725:1986 Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests
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