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ISO 9184-5:1990

Paper, board and pulps — Fibre furnish analysis — Part 5: Lofton-Merritt staining test (modification of Wisbar) ISO 9184-5:1990

Publication date:   Dec 6, 1990

General information

90.60   Close of review   Sep 3, 2026

ISO

ISO/TC 6 Paper, board and pulps

International Standard

85.040   Pulps | 85.060   Paper and board

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Published

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Scope

This part specifies the preparation, use and colour reactions of Lofton-Merritt stain. It should be used in conjunction with ISO 9184-1 and, if necessary, with other staining tests defined in ISO 9184-2. The Lofton-Merritt staining test is applicable to the qualitative and quantitative differentiation of unbleached and bleached softwood chemical pulps, unbleached kraft and sulfite in softwood pulps, unbleached semi-chemical kraft and sulfite pulps.

Life cycle

NOW

PUBLISHED
ISO 9184-5:1990
90.60 Close of review
Sep 3, 2026




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