Hard coal and coke. Mechanical sampling Methods for determining the precision of sampling, sample preparation and testing

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-04-2008

Publisher

British Standards Institution

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	PTI/16
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)
DocumentType	Standard
Pages	50
PublisherName	British Standards Institution
Status	Current
SupersededBy	BS ISO 13909-7:2016
Supersedes	98/121230 DC : MAR 98 14/30284108 DC : 0 BS 1017-2:1994 BS 1017-1:1989

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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BS ISO 13909-7:2001

Hard coal and coke. Mechanical sampling Methods for determining the precision of sampling, sample preparation and testing

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Abstract

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