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BS 4938-2:1982

Current
Current

The latest, up-to-date edition.

Dirt content of milk Method for the determination of visible dirt content (rapid method)
Available format(s)

Hardcopy

Language(s)

English

Published date

31-12-1982

Foreword
Cooperating organizations
Method
0 Introduction
1 Scope
2 Definitions
3 Principle
4 Reagent
5 Apparatus
6 Preparation of test sample
7 Procedure
8 Expression of results
9 Test report
Appendices
A Information on the relationship between results
   obtained by the reference method described in
   BS 4938 : Part 1 and the rapid method
B Information on the preparation of the photographic
   standard filter discs
C Method for assessing the suitability of filter
   material
D Bibliography
Table
1 Composition of coarse and fine dirt
Figures
1 Layout of a suitable filtration apparatus
2 Photographic standard filter discs showing mass, in
   milligrams, of visible dirt (fine) per litre of milk
3 Photographic standard filter discs showing mass, in
   milligrams, of visible dirt (coarse) per litre of
   milk

Method, for use in field or laboratory conditions, involving rapid filtration of a test portion and comparison of filtered visible dirt with two sets (coarse and fine) of photographic standards (see BS 4938:Part 2P). An appendix gives information on the relationship between results obtained using methods described in Parts 1 and 2.

Committee
AW/5
DevelopmentNote
Supersedes 81/53497 DC. (07/2005) Reviewed and confirmed by BSI, November 2011. (10/2011)
DocumentType
Standard
Pages
0
PublisherName
British Standards Institution
Status
Current

BS 4938-1:1982 Dirt content of milk Method for the determination of dirt content (reference method)
BS 5190:1985 Specification for pipeline filters, filter bodies and filter elements for milking installations
BS 1741-1:1987 Methods for chemical analysis of liquid milk and cream General introduction including preparation of samples
BS 4938-2P:1982 Dirt content of milk Photographic standards for the method for the determination of visible dirt content of milk (rapid method)

BS 1704:1985 Specification for solid-stem general purpose thermometers
BS 4938-1:1982 Dirt content of milk Method for the determination of dirt content (reference method)
BS 2648:1955 Performance requirements for electrically-heated laboratory drying ovens
BS 4938-2P:1982 Dirt content of milk Photographic standards for the method for the determination of visible dirt content of milk (rapid method)
BS 4402:1982 Specification for safety requirements for laboratory centrifuges

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