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BS EN ISO 5263-3:2004

BS EN ISO 5263-3:2004

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Pulps. Laboratory wet disintegration Disintegration of mechanical pulps at greater than or equal to 85 °C

Available format(s)

Hardcopy , PDF

Superseded date

28-02-2023

Language(s)

English

Published date

30-04-2009

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Definition
4 Apparatus
5 Preparation of test portion
6 Procedure
7 Test report
Annex A (normative) - Construction of the Standard
        disintegrator
Annex B (normative) - Checking the Standard disintegrator
Annex C (normative) - Circulation disintegrator
Annex D (informative) - The effect of latency in mechanical
        pulps
Bibliography

Defines an apparatus and the procedures for the laboratory wet disintegration of mechanical pulps that exhibit latency.

This part of ISO 5263 specifies an apparatus and the procedures for the laboratory wet disintegration of mechanical pulps that exhibit latency. This apparatus and procedure are required for preparation of the test portion in a number of other International Standards dealing with pulps.

ISO 5263-3 is applicable to all kind of mechanical pulps (i.e. mechanical, semi-chemical and chemi-mechanical pulps) exhibiting latency. Mechanical pulps not exhibiting latency shall be disintegrated according to ISO 5263-2.

The procedure specified in ISO 5263-2 should be used to disintegrate all mechanical pulps to be measured for brightness.

NOTE Brightness is not significantly altered by the presence of latency; however, hot disintegration of mechanical pulps can lead to significant loss of brightness.

Committee
PAI/11
DevelopmentNote
Issue Date: 30/04/2009. Together with BS EN ISO 5263-1 and BS EN ISO 5263-2 supersedes BS EN ISO 5263. Supersedes 03/309342 DC. (04/2009) Reviewed and confirmed by BSI, July 2014. (06/2014)
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
ISO 5263-3:2004 Identical
EN ISO 5263-3:2004 Identical

ISO 638:2008 Paper, board and pulps Determination of dry matter content Oven-drying method
ISO 14487:1997 Pulps Standard water for physical testing
ISO 4119:1995 Pulps Determination of stock concentration

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Hardcopy - English
PDF - English
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