BS 4938-2:1982
Current
The latest, up-to-date edition.
Dirt content of milk Method for the determination of visible dirt content (rapid method)
Hardcopy
English
31-12-1982
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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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