SIST EN ISO 4119:2000

SLOVENSKI STANDARD
SIST EN ISO 4119:2000
01-april-2000
9ODNQLQH'RORþHYDQMHNRQFHQWUDFLMHVQRYL,62
Pulps - Determination of stock concentration (ISO 4119:1995)
Halbstoffe - Bestimmung der Stoffdichte (ISO 4119:1995)
Pâte - Détermination de la concentration en pâte (ISO 4119:1995)
Ta slovenski standard je istoveten z: EN ISO 4119:1996
ICS:
85.040 Vlaknine Pulps
SIST EN ISO 4119:2000 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 4119:2000

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SIST EN ISO 4119:2000

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SIST EN ISO 4119:2000

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SIST EN ISO 4119:2000
ISO
INTERNATIONAL
4119
STANDARD
Second edition
1995-06-01
Determination of stock
Pulps -
concentration
P&es - Determination de Ia concen tra tion en p0 te
Reference number
ISO 4119:1995(E)

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SIST EN ISO 4119:2000
ISO 4119:1995(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. Esch 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, governmentar
and non-governmental, in liaison with ISO, also take part in the work. ISO
collaborates closely with the International Electrotechnical Commission
(1 EC) 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 ISO 4119 was prepared by Technical Committee
ISO/TC 6, Paper, board and pulps, Subcommittee SC 5, Test methods and
quality specifica tions for pulp.
This second edition cancels and replaces the first edition (ISO 4119:'! 978),
of which it constitutes a technical revision.
G ISO 1995
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced
or utilized in any form or by any means, electronie or mechanical, including photocopyrng and
microfilm, without Permission in writing from the pcblisher.
International Organization for Standardization
l CH-l 211 Geneve 20 l Switzerland
Case postale 56
Printed in Switzerland
ii

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SIST EN ISO 4119:2000
INTERNATIONAL STANDARD o 0x1 ISO 4119:1995(Ej
Pulps - Determination of stock concentration
3.3 Filtering device, such as a Büchner funnel, of
1 Scope
diameter 90 mm to 150 mm, a large filtering flask, and
circular filter Paper to fit the funnel; the Paper shall be
This International Standard specifies a method for
such that all visible fibre and inorganic material will be
determining the stock concentration of aqueous pulp
retained.
suspensions. lt is used in laboratory procedures for
the determination of other pulp properties and is
3.4 Means for drying the Sample, for example
referred to in a range of other ISO Standards where
suitable drying oven or hotplate. The temperature of
pulp suspensions are involved. lt is not intended for
the drying oven shall be 105 “C + 2 “C and that of the
determining the saleable mass of slush pulps.
hotplate 150 “C + 15 “C.
In principle, this method is applicabie to all kinds of
NOTES
aqueous pulp suspensions.
2 A microwave oven may optionally be used if the
operating conditions (power setting and drying time) are
experimentally determined to produce the Same drying
2 Definitions
effect on pulp as produced by a normal drying oven.
Incorrect operating conditions may Cause charring of the
For the purposes of this International Standard, the
Sample.
following definitions apply.
3 A temperature of 150 “C for the hotplate may be too
high for some pulps and Cause charring of the Sample.
2.1 stock: Aqueous Suspension of one or more
pulps, *tihich may contain fillers and additives.
3.5 Balance, capable of weighing the dried mat of
fibres with an error of less than 0,l %.
2.2 stock concentration: Ratio of the oven-dry
mass of material that tan be filtsred from a stock
Sample, to the mass of unfiltered Sample, when
4 Sampling and Sample preparation
determined as specified in this International Standard.
NOTE 1 In this International Standard, the stock concen-
4.1 General
tration is expressed as a percentage by mass [% (m/m)l.
Mix the stock thoro
...