EN ISO 638-2:2021

Paper, board, pulps and cellulosic nanomaterials - Determination of dry matter content by oven-drying method - Part 2: Suspensions of cellulosic nanomaterials (ISO 638-2:2021)

This document specifies an oven-drying method for the determination of the dry matter content in suspensions of cellulosic nanomaterials. The procedure is applicable to cellulosic nanomaterial suspensions which do not contain any appreciable quantities of materials other than water that are volatile at the temperature of 105 °C ± 2 °C. It is used, for example, in the case of cellulosic nanomaterial suspensions samples taken for chemical and physical tests in the laboratory, when a concurrent determination of dry matter content is required.
NOTE 1:  ISO 638-1[1] specifies the dry matter content in paper, board, pulp and cellulosic nanomaterials in solid form, which all can be produced from virgin and/or recycled materials; ISO 287[2] specifies the determination of moisture content of a lot of paper and board; ISO 4119[3] specifies the determination of stock concentration of aqueous pulp suspensions; ISO 801 (all parts)[4] specifies the determination of saleable mass in lots.
NOTE 2:  This document determines the total dry matter content of the sample, including any dissolved solids. If only the cellulosic material content free of dissolved solids is desired, dissolved solids are removed prior to measuring the dry matter content e.g. by washing or dialysis, taking care to retain all cellulosic material.

Papier, Pappe, Faserstoff und cellulosehaltige Nanomaterialien - Bestimmung des Trockengehaltes durch das Wärmeschrankverfahren - Teil 2: Suspensionen von cellulosehaltigen Nanomaterialien (ISO 638-2:2021)

Dieses Dokument legt ein Wärmeschrankverfahren für die Bestimmung des Trockengehaltes in Suspensionen von cellulosehaltigen Nanomaterialien fest. Das Verfahren ist anzuwenden für Suspensionen von cellulosehaltigen Nanomaterialien, die außer Wasser keine nennenswerten Mengen von Materialien enthalten, die bei einer Temperatur von 105 °C ± 2 °C flüchtig sind. Es wird z. B. im Fall von Durchschnittsproben aus Suspensionen von cellulosehaltigen Nanomaterialien verwendet, die für chemische und physikalische Prüfungen im Laboratorium entnommen werden, wenn eine gleichzeitige Bestimmung des Trockengehaltes erforderlich ist.
ANMERKUNG 1  ISO 638 1 [1] legt den Trockengehalt von Papier, Pappe, Faserstoff und cellulosehaltigen Nanomaterialien in fester Form fest, die jeweils aus Neumaterial und/oder recyceltem Material hergestellt werden können. ISO 287 [2] legt die Bestimmung des Feuchtegehaltes in einem Lieferposten Papier oder Pappe fest. ISO 4119 [3] legt die Bestimmung der Stoffdichte wässriger Faserstoff Suspensionen fest. ISO 801 (alle Teile) [4] legt die Bestimmung der verkaufsfähigen Masse in Lieferposten fest.
ANMERKUNG 2  Dieses Dokument dient der Bestimmung des Gesamttrockengehaltes der Durchschnittsprobe einschließlich jeglicher gelöster Feststoffe. Wird nur der Gehalt an cellulosehaltigem Material ohne die gelösten Feststoffe gewünscht, werden gelöste Feststoffe vor der Messung des Trockengehaltes z. B. durch Waschen oder Dialyse entfernt, wobei darauf zu achten ist, dass das gesamte cellulosehaltige Material erhalten bleibt.

Papiers, cartons, pâtes et nanomatériaux cellulosiques - Détermination de la teneur en matières sèches par séchage à l'étuve - Partie 2: Suspensions de nanomatériaux cellulosiques (ISO 638-2:2021)

Le présent document spécifie une méthode par séchage à l'étuve pour la détermination de la teneur en matières sèches dans des suspensions de nanomatériaux cellulosiques. La méthode est applicable aux suspensions de nanomatériaux cellulosiques ne contenant pas des quantités appréciables de matières autres que l'eau, volatiles à la température de 105 °C ± 2 °C. Elle est utilisée, par exemple, dans le cas d'échantillons de suspensions de nanomatériaux cellulosiques prélevés en vue d'analyses chimiques et d’essais physiques effectués en laboratoire lorsqu'il faut procéder à la détermination simultanée de la teneur en matières sèches.
NOTE 1   L’ISO 638-1[1] spécifie la teneur en matières sèches dans le papier, le carton, la pâte et les nanomatériaux cellulosiques sous forme solide, produits à partir de matériaux vierges et/ou recyclés, l’ISO 287[2] spécifie la méthode de détermination de la teneur en humidité d’un lot de papier et carton, l’ISO 4119[3] spécifie la méthode de détermination de la concentration en pâte de suspensions aqueuses de pâtes, l’ISO 801 (toutes les parties)[4] spécifie la méthode de détermination de la masse marchande des lots.
NOTE 2   Le présent document permet de déterminer la teneur totale en matières sèches d’un échantillon, y compris tout solide dissous. Pour obtenir la teneur en matériaux cellulosiques sans solides dissous, ces derniers sont éliminés avant de mesurer la teneur en matières sèches, par exemple par lavage ou dialyse, en prenant soin de conserver l'ensemble des matériaux cellulosiques.

Papir, karton, lepenka in vlaknine ter celulozni nanomateriali - Določevanje suhe snovi - Metoda sušenja v sušilniku - 2. del: Suspenzije celuloznih nanomaterialov (ISO 638-2:2021)

General Information

• Status: Withdrawn
• Publication Date: 18-May-2021
• Withdrawal Date: 22-Mar-2022
• ICS: 85.040 - Pulps
• 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
• Completion Date: 23-Mar-2022
• Ref Project: SIST EN ISO 638-2:2021 - Paper, board, pulps and cellulosic nanomaterials - Determination of dry matter content by oven-drying method - Part 2: Suspensions of cellulosic nanomaterials (ISO 638-2:2021)

Relations

• Replaces: EN ISO 638:2008 - Paper, board and pulps - Determination of dry matter content - Oven-drying method (ISO 638:2008)
• Effective Date: 08-Jun-2022
• Replaced By: EN ISO 638-2:2022 - Paper, board, pulps and cellulosic nanomaterials - Determination of dry matter content by oven-drying method - Part 2: Suspensions of cellulosic nanomaterials (ISO 638-2:2022)
• Effective Date: 01-Sep-2021

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN ISO 638-2:2021
01-september-2021
Nadomešča:
SIST EN ISO 638:2009
Papir, karton, lepenka in vlaknine ter celulozni nanomateriali - Določevanje suhe
snovi - Metoda sušenja v sušilniku - 2. del: Suspenzije celuloznih nanomaterialov
(ISO 638-2:2021)
Paper, board, pulps and cellulosic nanomaterials - Determination of dry matter content
by oven-drying method - Part 2: Suspensions of cellulosic nanomaterials (ISO 638-
2:2021)
Papier, Pappe, Faserstoff und cellulosehaltige Nanomaterialien - Bestimmung des
Trockengehaltes durch das Wärmeschrankverfahren - Teil 2: Suspensionen von
cellulosehaltigen Nanomaterialien (ISO 638-2:2021)
Papiers, cartons, pâtes et nanomatériaux cellulosiques - Détermination de la teneur en
matières sèches par séchage à l'étuve - Partie 2: Suspensions de nanomatériaux
cellulosiques (ISO 638-2:2021)
Ta slovenski standard je istoveten z: EN ISO 638-2:2021
ICS:
85.040 Vlaknine Pulps
85.060 Papir, karton in lepenka Paper and board
SIST EN ISO 638-2:2021 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 638-2:2021

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SIST EN ISO 638-2:2021


EN ISO 638-2
EUROPEAN STANDARD

NORME EUROPÉENNE

May 2021
EUROPÄISCHE NORM
ICS 85.040; 85.060 Supersedes EN ISO 638:2008
English Version

Paper, board, pulps and cellulosic nanomaterials -
Determination of dry matter content by oven-drying
method - Part 2: Suspensions of cellulosic nanomaterials
(ISO 638-2:2021)
Papiers, cartons, pâtes et nanomatériaux cellulosiques Papier, Pappe, Faserstoff und cellulosehaltige
- Détermination de la teneur en matières sèches par Nanomaterialien - Bestimmung des Trockengehaltes
séchage à l'étuve - Partie 2: Suspensions de durch das Wärmeschrankverfahren - Teil 2:
nanomatériaux cellulosiques (ISO 638-2:2021) Suspensionen von cellulosehaltigen Nanomaterialien
(ISO 638-2:2021)
This European Standard was approved by CEN on 6 May 2021.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.





EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 638-2:2021 E
worldwide for CEN national Members.

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SIST EN ISO 638-2:2021
EN ISO 638-2:2021 (E)
Contents Page
European foreword . 3

2

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SIST EN ISO 638-2:2021
EN ISO 638-2:2021 (E)
European foreword
This document (EN ISO 638-2:2021) has been prepared by Technical Committee ISO/TC 6 "Paper,
board and pulps" in collaboration with Technical Committee CEN/TC 172 “Pulp, paper and board” the
secretariat of which is held by DIN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by November 2021, and conflicting national standards
shall be withdrawn at the latest by November 2021.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 638:2008.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembou
...