Hard coal and coke -- Mechanical sampling

ISO 13909-1:2016 defines the basic terms used in the sampling of solid mineral fuels, describes the general principles of sampling and details the information to be provided in the documentation and the sampling report. It also lists the other parts and gives guidance on the selection of the appropriate part. It does not include sampling of brown coals and lignites, or sampling from coal seams, for which guidance is given in ISO 14180. Manual sampling of coal and coke is covered in ISO 18283.

Houille et coke -- Échantillonnage mécanique

General Information

Status
Published
Publication Date
22-Jun-2016
Technical Committee
Drafting Committee
Current Stage
9020 - International Standard under periodical review
Start Date
15-Apr-2021
Ref Project

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INTERNATIONAL ISO
STANDARD 13909-1
Second edition
2016-07-01
Hard coal and coke — Mechanical
sampling —
Part 1:
General introduction
Houille et coke — Échantillonnage mécanique —
Partie 1: Introduction générale
Reference number
ISO 13909-1:2016(E)
ISO 2016
---------------------- Page: 1 ----------------------
ISO 13909-1:2016(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2016, Published in Switzerland

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form

or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior

written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of

the requester.
ISO copyright office
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2016 – All rights reserved
---------------------- Page: 2 ----------------------
ISO 13909-1:2016(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Structure ....................................................................................................................................................................................................................... 5

5 General principles of sampling ............................................................................................................................................................. 5

6 Choice of sampling procedure ................................................................................................................................................................ 6

7 Integrated sampling systems ................................................................................................................................................................... 7

8 Packing and marking of samples ......................................................................................................................................................... 7

9 Sampling report..................................................................................................................................................................................................... 7

Bibliography ................................................................................................................................................................................................................................ 9

© ISO 2016 – All rights reserved iii
---------------------- Page: 3 ----------------------
ISO 13909-1:2016(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www.iso.org/patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation on the meaning of ISO specific terms and expressions related to conformity

assessment, as well as information about ISO’s adherence to the WTO principles in the Technical

Barriers to Trade (TBT), see the following URL: Foreword - Supplementary information.

The committee responsible for this document is ISO/TC 27, Solid mineral fuels, Subcommittee SC 4,

Sampling.

This second edition cancels and replaces the first edition (ISO 13909-1:2001), which has been

technically revised.

ISO 13909 consists of the following parts, under the general title Hard coal and coke — Mechanical

sampling:
— Part 1: General introduction
— Part 2: Coal — Sampling from moving streams
— Part 3: Coal — Sampling from stationary lots
— Part 4: Coal — Preparation of test samples
— Part 5: Coke — Sampling from moving streams
— Part 6: Coke — Preparation of test samples

— Part 7: Methods for determining the precision of sampling, sample preparation and testing

— Part 8: Methods of testing for bias
iv © ISO 2016 – All rights reserved
---------------------- Page: 4 ----------------------
INTERNATIONAL STANDARD ISO 13909-1:2016(E)
Hard coal and coke — Mechanical sampling —
Part 1:
General introduction
1 Scope

This part of ISO 13909 defines the basic terms used in the sampling of solid mineral fuels, describes the

general principles of sampling and details the information to be provided in the documentation and the

sampling report. It also lists the other parts and gives guidance on the selection of the appropriate part.

ISO 13909 does not include sampling of brown coals and lignites, or sampling from coal seams, for

which guidance is given in ISO 14180. Manual sampling of coal and coke is covered in ISO 18283.

2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and are

indispensable for its application. For dated references, only the edition cited applies. For undated

references, the latest edition of the referenced document (including any amendments) applies.

ISO 565, Test sieves — Metal wire cloth, perforated metal plate and electroformed sheet — Nominal sizes

of openings

ISO 3310-1, Test sieves — Technical requirements and testing — Part 1: Test sieves of metal wire cloth

ISO 5725-1:1994, Accuracy (trueness and precision) of measurement methods and results — Part 1: General

principles and definitions
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
air-drying

process of bringing the moisture content of the sample (3.31) near to equilibrium with the atmosphere

in the area in which further reduction and division of the sample are to take place

Note 1 to entry: Air-drying to equilibrium with the atmosphere applies to coal. Drying of coke is generally to

facilitate sample preparation (3.34).
3.2
bias

systematic error (3.10) which leads to the average value of a series of results being persistently higher

or persistently lower than those which are obtained using a reference sampling method

3.3
coefficient of variation

standard deviation (3.37) expressed as a percentage of the absolute value of the arithmetic mean

3.4
common sample
sample (3.31) collected for more than one intended use
© ISO 2016 – All rights reserved 1
---------------------- Page: 5 ----------------------
ISO 13909-1:2016(E)
3.5
continuous sampling

taking of a sample (3.31) from each consecutive sub-lot (3.39) so that increments are taken at uniform

intervals whenever the fuel is handled at the point of sampling
3.6
cut
see increment (3.15)
3.7
cutter
mechanical sampling device which extracts increment(s)
3.8
divided increment
part obtained from the division of the increment in order to decrease its mass
Note 1 to entry: Such division may be done with or without prior size reduction.
3.9
duplicate sampling

particular case of replicate sampling (3.30) with only two replicate samples (3.31)

3.10
error

difference between the observation and the accepted reference value as defined in ISO 5725-1:1994, 3.5

Note 1 to entry: This can be designated as systematic error [bias (3.2)] or random error (3.29).

3.11
fixed mass division

method of sample division (3.33) in which the mass retained is predetermined and independent of the

mass of the feed
3.12
fixed ratio division
method of sample division (3.33) in which the division ratio is predetermined

Note 1 to entry: In fixed ratio division, the mass of sample (3.31) retained is a fixed proportion of the mass of

the feed.
3.13
fuel
hard coal or coke
3.14
general-analysis test sample

sample (3.31), prepared to pass a sieve of nominal size of openings 212 µm complying with ISO 3310-1,

used for the determination of most chemical and some physical characteristics
3.15
increment
portion of fuel (3.13) extracted in a single operation of the sampling device
3.16
lot
defined quantity of fuel (3.13) for which the quality is to be determined
Note 1 to entry: A lot may be divided into sub-lots (3.39).
2 © ISO 2016 – All rights reserved
---------------------- Page: 6 ----------------------
ISO 13909-1:2016(E)
3.17
manual sampling
collection of increments (3.15) by human effort
3.18
mass-basis sampling

taking of increments (3.15) whereby the position of each increment to be collected from the stream of

fuel (3.13) is measured by a mass interval of stream flow and the increment mass is fixed

3.19
mechanical sampling
collection of increments (3.15) by mechanical means
3.20
mechanical sampling system
combination of sampling and sample preparation (3.34) performed mechanically
3.21
moisture sample
sample (3.31) taken specifically for the purpose of determining total moisture
Note 1 to entry: For coke, this sample may also be used for general analysis.
3.22
nominal top size

aperture size of the smallest sieve in the range included in the R 20 Series (as defined in ISO 565, square

hole) on which not more than 5 % of the sample (3.31) is retained
3.23
off-line sample preparation

sample preparation (3.34) performed manually or mechanically on the samples (3.31) produced by the

mechanical sampling system (3.20), using equipment not integral to the mechanical sampling system itself

3.24
on-line sample processing

processing of the primary sample (3.31) material using equipment integral with the sampling system

3.25
outlier

result which meets statistical criteria identifying an outlier, esp. exceeding Cochran’s maximum

variance test, and for which there is direct physical evidence of causation by gross deviation from the

prescribed experimental procedure
3.26
physical sample

sample (3.31) taken specifically for the determination of physical characteristics, such as physical

strength indices or size distribution
3.27
precision

closeness of agreement between independent test results obtained under stipulated conditions

Note 1 to entry: This is often defined using an index of precision,
...

INTERNATIONAL ISO
STANDARD 13909-1
Second edition
Hard coal and coke — Mechanical
sampling —
Part 1:
General introduction
Houille et coke — Échantillonnage mécanique —
Partie 1: Introduction générale
PROOF/ÉPREUVE
Reference number
ISO 13909-1:2015(E)
ISO 2015
---------------------- Page: 1 ----------------------
ISO 13909-1:2015(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2015, Published in Switzerland

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form

or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior

written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of

the requester.
ISO copyright office
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2015 – All rights reserved
---------------------- Page: 2 ----------------------
ISO 13909-1:2015(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Structure ....................................................................................................................................................................................................................... 5

5 General principles of sampling ............................................................................................................................................................. 5

6 Choice of sampling procedure ................................................................................................................................................................ 6

7 Integrated sampling systems ................................................................................................................................................................... 7

8 Packing and marking of samples ......................................................................................................................................................... 7

9 Sampling report..................................................................................................................................................................................................... 7

Bibliography ................................................................................................................................................................................................................................ 9

© ISO 2015 – All rights reserved PROOF/ÉPREUVE iii
---------------------- Page: 3 ----------------------
ISO 13909-1:2015(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www.iso.org/patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation on the meaning of ISO specific terms and expressions related to conformity

assessment, as well as information about ISO’s adherence to the WTO principles in the Technical

Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information.

The committee responsible for this document is ISO/TC 27, Solid mineral fuels, Subcommittee SC 4,

Sampling.

This second edition cancels and replaces the first edition (ISO 13909-1:2001), which has been

technically revised.

ISO 13909 consists of the following parts, under the general title Hard coal and coke — Mechanical

sampling:
— Part 1: General introduction
— Part 2: Coal — Sampling from moving streams
— Part 3: Coal — Sampling from stationary lots
— Part 4: Coal — Preparation of test samples
— Part 5: Coke — Sampling from moving streams
— Part 6: Coke — Preparation of test samples

— Part 7: Methods for determining the precision of sampling, sample preparation and testing

— Part 8: Methods of testing for bias
iv PROOF/ÉPREUVE © ISO 2015 – All rights reserved
---------------------- Page: 4 ----------------------
INTERNATIONAL STANDARD ISO 13909-1:2015(E)
Hard coal and coke — Mechanical sampling —
Part 1:
General introduction
1 Scope

This part of ISO 13909 defines the basic terms used in the sampling of solid mineral fuels, describes the

general principles of sampling and details the information to be provided in the documentation and the

sampling report. It also lists the other parts and gives guidance on the selection of the appropriate part.

ISO 13909 does not include sampling of brown coals and lignites, or sampling from coal seams, for

which guidance is given in ISO 14180. Manual sampling of coal and coke is covered in ISO 18283.

2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and are

indispensable for its application. For dated references, only the edition cited applies. For undated

references, the latest edition of the referenced document (including any amendments) applies.

ISO 565, Test sieves — Metal wire cloth, perforated metal plate and electroformed sheet — Nominal

sizes of openings

ISO 3310-1, Test sieves — Technical requirements and testing — Part 1: Test sieves of metal wire cloth

ISO 5725-1:1994, Accuracy (trueness and precision) of measurement methods and results — Part 1: General

principles and definitions
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
air-drying

process of bringing the moisture content of the sample (3.32) near to equilibrium with the atmosphere

in the area in which further reduction and division of the sample are to take place

Note 1 to entry: Air-drying to equilibrium with the atmosphere applies to coal. Drying of coke is generally to

facilitate sample preparation (3.35).
3.2
bias

systematic error (3.10) which leads to the average value of a series of results being persistently higher

or persistently lower than those which are obtained using a reference sampling method

3.3
coefficient of variation

standard deviation (3.38) expressed as a percentage of the absolute value of the arithmetic mean

3.4
common sample
sample (3.32) collected for more than one intended use
© ISO 2015 – All rights reserved PROOF/ÉPREUVE 1
---------------------- Page: 5 ----------------------
ISO 13909-1:2015(E)
3.5
continuous sampling

taking of a sample (3.32) from each consecutive sub-lot (3.40) so that increments are taken at uniform

intervals whenever the fuel is handled at the point of sampling
3.6
cut
see increment (3.15)
3.7
cutter
mechanical sampling device which extracts increment(s)
3.8
divided increment
part obtained from the division of the increment in order to decrease its mass
Note 1 to entry: Such division may be done with or without prior size reduction.
3.9
duplicate sampling

particular case of replicate sampling (3.31) with only two replicate samples (3.32)

3.10
error

difference between the observation and the accepted reference value as defined in ISO 5725-1:1994, 3.5

Note 1 to entry: This can be designated as systematic error (bias (3.2)) or random error (3.30).

3.11
fixed mass division

method of sample division (3.34) in which the mass retained is predetermined and independent of the

mass of the feed
3.12
fixed ratio division
method of sample division (3.34) in which the division ratio is predetermined

Note 1 to entry: In fixed ratio division, the mass of sample (3.32) retained is a fixed proportion of the mass of the

feed.
3.13
fuel
hard coal or coke
3.14
general-analysis test sample

sample (3.32), prepared to pass a sieve of nominal size of openings 212 µm complying with ISO 3310-1,

used for the determination of most chemical and some physical characteristics
3.15
increment
portion of fuel (3.13) extracted in a single operation of the sampling device
3.16
intermittent sampling
taking of samples (3.32) from only certain sub-lots (3.40) of fuel (3.13)
2 PROOF/ÉPREUVE © ISO 2015 – All rights reserved
---------------------- Page: 6 ----------------------
ISO 13909-1:2015(E)
3.17
lot
defined quantity of fuel (3.13) for which the quality is to be determined
Note 1 to entry: A lot may be divided into sub-lots (3.40).
3.18
manual sampling
collection of increments (3.15) by human effort
3.19
mass-basis sampling

taking of increments (3.15) whereby the position of each increment to be collected from the stream of

fuel (3.13) is measured by a mass interval of stream flow and the increment mass is fixed

3.20
mechanical sampling
collection of increments (3.15) by mechanical means
3.21
mechanical sampling system
combination of sampling and sample preparation (3.35) performed mechanically
3.22
moisture sample
sample (3.32) taken specifically for the purpose of determining total moisture
Note 1 to entry: For coke, this sample may also be used for general analysis.
3.23
nominal top size

aperture size of the smallest sieve in the range included in the R 20 Series (as defined in ISO 565, square

hole) on which not more than 5 % of the sample (3.32) is retained
3.24
off-line sample preparation

sample preparation (3.35) performed manually or mechanically on the samples (3.32) produced by the

mechanical sampling system (3.21), using equipment not integral to the mechanical sampling system itself

3.25
on-line sample processing

processing of the primary sample (3.32) material using equipment integral with the sampling system

3.26
outlier

result which meets statistical criteria identifying an outlier, esp. exceeding Cochran’s maximum

variance test, and for which there is direct physical evidence of causation by gross deviation from the

prescribed experimental procedure
3.27
physical sample

sample (3.32) taken specifically for the determination of physical characteristics, such as physical

strength indices or size distribution
3.28
precision

closeness of agreement between independent test results obtained under stipulated conditions

Note 1 to entry: This is often defined us
...

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