BS 4938-2:1982
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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)
Hardcopy
English
31-12-1982
22-05-2026
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Withdrawn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Withdrawn:This standard is no longer used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 |
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