EN ISO 186:1996

Paper and board - Sampling to determine average quality (ISO 186:1994)

Migrated from Progress Sheet (TC Comment) (2000-07-10): ISO in revision. ISO/DIS result expected 1993-06. UAP to be launched after ++ ISO approval.

Papier und Pappe - Probenahme zur Bestimmung der Durchschnittsqualität (ISO 186:1994)

Diese Internationale Norm beschreibt ein Verfahren zur Erlangerung einer Durchschnittsprobe aus einem Lieferposten von Papier oder Pappe für Prüfzwecke (Voll- und Wellpappe eingeschlossen, siehe ISO 4046), um festzustellen, ob die Durchschnittsqualität den festgelegten Anforderungen entspricht. Für einige Prüfungen können besondere Verfahren der Probenahme notwendig sein; diese Verfahren werden in der Internationalen Norm für das entsprechende Prüfverfahren beschrieben.

Papier et carton - Echantillonnage pour déterminer la qualité moyenne (ISO 186:1994)

Papir, karton in lepenka - Vzorčenje za ugotavljanje povprečne kakovosti (ISO 186:1994)

General Information

• Status: Withdrawn
• Publication Date: 18-Jan-1996
• Withdrawal Date: 14-Mar-2002
• ICS: 85.060 - Paper and board
• Technical Committee: CEN/TC 172 - Pulp, paper and board
• Drafting Committee: CEN/TC 172 - Pulp, paper and board
• Current Stage: 9960 - Withdrawal effective - Withdrawal
• Start Date: 15-Mar-2002
• Completion Date: 15-Mar-2002
• Ref Project: SIST EN ISO 186:2000 - Paper and board - Sampling to determine average quality (ISO 186:1994)

Relations

• Replaced By: EN ISO 186:2002 - Paper and board - Sampling to determine average quality (ISO 186:2002)
• Effective Date: 22-Dec-2008

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN ISO 186:2000
01-april-2000
3DSLUNDUWRQLQOHSHQND9]RUþHQMH]DXJRWDYOMDQMHSRYSUHþQHNDNRYRVWL,62

Paper and board - Sampling to determine average quality (ISO 186:1994)
Papier und Pappe - Probenahme zur Bestimmung der Durchschnittsqualität (ISO
186:1994)
Papier et carton - Echantillonnage pour déterminer la qualité moyenne (ISO 186:1994)
Ta slovenski standard je istoveten z: EN ISO 186:1996
ICS:
85.060 Papir, karton in lepenka Paper and board
SIST EN ISO 186:2000 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 186:2000

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SIST EN ISO 186:2000

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SIST EN ISO 186:2000

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SIST EN ISO 186:2000
INTERNATIONAL
Is0
STANDARD 186
Third edition
1994-11-15
- Sampling to determine
Paper and board
average quality
Papier et carton - khantillonnage pour dbterminer la qua/it6 moyenne
Reference number
IS0 186:1994(E)

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SIST EN ISO 186:2000
IS0 186:1994(E)
Foreword
IS0 (the International Organization for Standardization) is a worldwide
federation of national standards bodies (IS0 member bodies). The work
of preparing International Standards is normally carried out through IS0
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. IS0
collaborates closely with the International Electrotechnical Commission
(IEC) on all matters of electrotechnical standardization.
Draft International Standards adopted by the technical committees are
circulated to the member bodies for voting. Publication as an International
Standard requires approval by at least 75 % of the member bodies casting
a vote.
International Standard IS0 186 was prepared by Technical Committee
ISO/TC 6, Paper, board and pulps, Subcommittee SC 2, Test methods
and quality specifications for paper and board.
This third edition cancels and replaces the second edition (IS0 1863 9851,
of which it constitutes a technical revision.
0 IS0 1994
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced
or utilized in any form or by any means, electronic or mechanical, including photocopying and
microfilm, without permission in writing from the publisher.
International Organization for Standardization
Case Postale 56 l CH-1211 Geneve 20 l Switzerland
Printed in Switzerland
ii

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SIST EN ISO 186:2000
IS0 186:1994(E)
INTERNATIONAL STANDARD 0 IS0
- Sampling to determine average
Paper and board
quality
of this International Standard. At the time of publi-
1 Scope
cation, the edition indicated was valid. All standards
are subject to revision, and parties to agreements
This International Standard specifies a method of ob-
based on this International Standard are encouraged
taining a representative sample from a lot of paper or
to investigate the possibility of applying the most re-
board for testing to determine whether or not its
cent edition of the standard indicated below. Mem-
average quality complies with set specifications in-
bers of IEC and IS0 maintain registers of currently
solid and corrugated fibreboard (see
cluding
valid International Standards.
IS0 4046).
For some tests, special methods of sampling may be IS0 4046:1978, Paper, board, pulp and related terms
necessary; these will be given in the International - Vocabulary.
Standard for the appropriate method of test.
NOTE 1 If less than 50 % of the lot is available for sam-
3 Definitions
pling, then sampling will be invalid in the absence of agree-
ment to the contrary.
For the purposes of this International Standard, the
following definitions apply.
This method is unsuitable for determining the varia-
bility within a lot.
3.1 lot: The aggregate of paper or board of a single
NOTES kind of specified characteristics produced under con-
ditions that are presumed uniform, and available for
2 Information on sampling for other purposes is given in
sampling at one time.
IS0 2859-l :I 989, Sampling procedures for inspection by
attributes - Part 7: Sampling plans indexed by acceptable
A lot comprises one or more nominally identical units.
quality level for lo t-by-lot inspection,
(AU
Where the material to be tested has already been in-
IS0 2859-2:1985, Sampling procedures for inspection by
corporated into a manufactured article (for example a
attributes - Part 2: Sampling plans indexed by limiting
packing case), the lot is the aggregate of such articles
quality (LQ) for isolated lot inspection, IS0 2859-3:1991,
of a single kind, of specified characteristics. (See fig-
Sampling procedures for inspection by attributes - Part 3:
ure 1.)
Skip-lot sampling procedures, and IS0 3951: 1989, Sampling
procedures and charts for inspection by variables for per-
3.2 unit: A component of a lot which may be in the
cent nonconforming.
form of a reel, a bale, a bundle, a parcel, the contents
3 Information on the preparation of test pieces is given in
of a packing case, a pallet load, etc. (See figure 1.)
the appropriate standard test methods.
3.3 sheet: The area of paper or board taken from the
selected units. (See figure 1.)
2 Normative reference
3.4 specimen: An area of paper or board cut to
given dimensions, from the sheets (or manufactured
The following standard contains provisions which,
articles). (See figure 1.)
through reference in this text, constitute provisions

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SIST EN ISO 186:2000
IS0 186:1994(E)
Unit Unit Unit
A
\
. ,
Specimen
Sheet
/
3
-
J
-
I
I
Test pieces
I
Sample
Figure 1
3.5 sample: The aggregate of all the specimens
5 Procedure
taken from the lot to provide information on the aver-
age quality of the lot and possibly serve as a basis for
5.1 Selection of units
a decision on the lot. (See figure 1.)
Select the units to be sampled according to table 1.
3.6 test piece: The piece or pieces of paper or board
on which the measurement is carried out in accord- The units selected should be intact and in good ex-
ance with the stipulations of the method of test. ternal condition.
The test piece is generally taken from a specimen; in
5.2 Selection of sheets
some instances the test piece may be the specimen
itself, or several specimens. (See figure 1.)
For each unit withdrawn from the lot, proceed as fol-
lows.
3.7 selected at random: Taken in such a way that
each part of the whole has an equal chance of being
5.2.1 Units that can be unwrapped
selected.
If the unit is a package that can be and may be com-
pletely unwrapped.
4 Principle
5.2.1.1 When the unit is not subdivided (with or
Selection of sheets at random from production units
without a pallet)
selected at random from a lot of paper or board. Fur-
Avoiding all damaged sheets and the three outermost
ther subdivision and combination of these sheets to
undamaged sheets, take at random, in conformity
provide the specimens of the sample from which the
with table2, the same number of sheets from each
test area or test pieces will be taken.
2

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SIST EN ISO 186:2000
IS0 186:1994(E)
Table 1 Table 2
Method of
Size of lot, Number of Minimum number of
Number of sheets in the
selection
II unit0 units selected sheets to be taken from
lot
the lot
I
1 to 5
Less than or equal 1 000 10
At random
6 to 399
1 001 to 5 000 15
400 or more 20 At random
More than 5 000
20
1) In deciding the number of units to be selected, any
remainder of less than 20 units shall be ignored.
5 The term reel is used throughout thi
...