BS ISO 13909-7:2001
Current
The latest, up-to-date edition.
Hard coal and coke. Mechanical sampling Methods for determining the precision of sampling, sample preparation and testing
Hardcopy , PDF
English
30-04-2008
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General
5 Formulae relating to factors affecting precision
6 Estimation of primary increment variance
7 Methods for estimating precision
8 Calculation of precision
9 Methods of checking sample preparation and
testing errors
Annex A (informative) - Variogram method for determining
variance
Annex B (informative) - Grubbs' estimators method for
determining sampling precision
Bibliography
Defines method for estimating overall precision and for deriving values for primary increment variance which can be used to modify the sampling scheme to change the precision.
| Committee |
W/-
|
| DevelopmentNote |
Supersedes 98/121230 DC. (02/2002) Together with BS ISO 18283, BS ISO 13909-1, BS ISO 13909-2, BS ISO 13909-3, BS ISO 13909-4, BS ISO 13909-5, BS ISO 13909-6 and BS ISO 13909-8 supersedes BS 1017-1(1989) and BS 1017-2(1994). (04/2008) Supersedes 14/30284108 DC. (07/2016)
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| DocumentType |
Standard
|
| Pages |
50
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| ISO 13909-7:2001 | Identical |
| ISO 13909-7:2016 | Identical |
| ISO 13909-4:2016 | Hard coal and coke — Mechanical sampling — Part 4: Coal — Preparation of test samples |
| ISO 13909-1:2016 | Hard coal and coke — Mechanical sampling — Part 1: General introduction |
| ISO 13909-6:2016 | Hard coal and coke — Mechanical sampling — Part 6: Coke — Preparation of test samples |
| ISO 13909-8:2016 | Hard coal and coke — Mechanical sampling — Part 8: Methods of testing for bias |
| ISO 13909-2:2016 | Hard coal and coke — Mechanical sampling — Part 2: Coal — Sampling from moving streams |
| ISO 13909-5:2016 | Hard coal and coke — Mechanical sampling — Part 5: Coke — Sampling from moving streams |
| ISO 13909-3:2016 | Hard coal and coke — Mechanical sampling — Part 3: Coal — Sampling from stationary lots |
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