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BS ISO 11815:2007

Current
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

07-31-2007

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

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.

Committee
AW/5
DevelopmentNote
Supersedes 06/30144574 DC. (08/2007)
DocumentType
Standard
Pages
20
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 11815:2007 Identical

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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