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BS 4938-2:1982

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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

Withdrawn date

22-05-2026

£142.00
Excluding VAT

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
Withdrawn

Withdrawn:This standard is no longer used

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

£142.00
Excluding VAT