BS 5660-1:1987
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Methods of sampling iron ores Manual method of increment sampling
Hardcopy , PDF
English
30-10-1987
03-06-2010
National foreword
Committees responsible
Method
1 Scope
2 Field of application
3 References
4 Definitions
5 General procedures for manual sampling
6 Fundamentals of sampling
7 Apparatus
8 Method of manual sampling
9 Packing and marking of sample
Annexes
A Equation for number of increments
B Sampling from ships and stockpiles
Tables
1 Overall precision, beta SDM
2 Minimum mass of increment
3 Classification of quality variations, sigma w and
sigma b
4 Minimum number of increments required, n1, and
sampling precision, beta s
5 Minimum number of wagons or containers to be
selected, n2
6 Dimensions of increment shovel
7 Values of sigma w and sigma b
Figures
1 The precision of sampling for each mass of
consignment
2 Minimum number of increments required
3 Example of increment shovel
Sets out manual means of increment sampling on a consignment of iron ore for determining the quality of the consignment, and includes underlying theory, basic principles and requirements for the device and its operation.
| Committee |
W/-
|
| DevelopmentNote |
Reviewed and confirmed by BSI, January 2005. (12/2004) Also numbered as ISO 3081 Supersedes 84/38774 DC and BS 5660(1979) (08/2005)
|
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Supersedes |
This standard has been withdrawn and is no longer current. No replacement edition is available.
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