BS 5661:1987
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Method for preparation of samples of iron ores by manual means
Hardcopy , PDF
03-06-2010
English
30-10-1987
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National foreword
Committees responsible
Method
1 Scope
2 Field of application
3 References
4 Definitions
5 General procedures for sample preparation
6 Fundamentals of sample preparation
7 Apparatus
8 Combining increments for sample preparation
9 Manual method of division
10 Preparation of test samples
11 Packing and marking of sample
Annexes
A Type of riffle divider
B Procedure for determining the minimum mass of
divided size sample by manual riffle division method
Tables
1 Application of manual division method
2 Whole-through sieve size of sample and minimum mass
of each increment
3 Number of increments to be taken by manual increment
division method
4 Whole-through sieve size and thickness of spread
sample and scoop for increment division
5 Whole-through sieve size of sample and size of
riffle divider
6 Minimum mass of divided gross sample for moisture
determination and/or chemical analysis by manual
riffle division method
7 Minimum mass of divided individual increment or
subsample for moisture determination and/or chemical
analysis by manual riffle division method
8 Minimum mass of divided size gross sample by manual
riffle division method and precision of sample
preparation
9 Number of test portions per test sample
10 Minimum number of subsamples per consignment for
moisture determination
11 Dimensions of riffle divider
Figures
1 Scoop for increment division and its dimensions
2 Example of manual increment division method for
gross sample
3 Preparation for test samples for chemical analysis
4 Example of sample preparation
5 Example of riffle divider
Sets out underlying theory, the basic principles and requirements for the devices and their operation for the manual method of preparation of samples taken from a consignment of iron ore to ISO 3081 or ISO 3082, to evaluate the quality of the consignment.
| Committee |
W/-
|
| DevelopmentNote |
Reviewed and confirmed by BSI, January 2005. (12/2004) Also numbered as ISO 3083 Supersedes 85/38726 DC and BS 5661(1979) (08/2005)
|
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Supersedes |
| Standards | Relationship |
| ISO 3083:1986 | Identical |
| BS 5660-1:1987 | Methods of sampling iron ores Manual method of increment sampling |
| BS 5663-1:1987 | Methods of testing iron ores Determination of moisture content |
| BS 5662-2:1987 | Evaluation of sampling methods for iron ores Experimental methods for checking the precision of sampling |
| BS 5660-2:1987 | Methods of sampling iron ores Mechanical method of increment sampling and sample preparation |
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