ISO 9184-4:1990

Paper, board and pulps — Fibre furnish analysis — Part 4: Graff "C" staining test

Publication date: 6 dhj 1990

General information

Current stage: 90.20 Effective date: 15 pri 2026

Originator: ISO

Owner: ISO/TC 6

Type: International Standard

ICS: 85.040 85.060

Gjuha: frëngjisht anglisht

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Statusi: Publikuar

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Scope

This part specifies the preparation, use and colour reactions of Graff "C" stain. It should be used in conjunction with ISO 9184-1 and, if necessary, with other staining tests defined in ISO 9184-2. Graff "C" stain allows the identification of almost all the common papermaking fibres. However, this calls for a great deal of training and experience. Thus, main applications are: differentiation of chemical, semi-chemical and mechanical pulps, differentiation of kraft and sulfite in hardwood pulps, differentiation of softwood and hardwood pulps (except dissolving grade pulps), differentiation of bleached straw and esparto pulps in softwood pulps.

Life cycle

NOW

PUBLISHED
ISO 9184-4:1990
90.20 Standard under periodical review
15 pri 2026

National adoptions

SSH ISO 9184-4:1990

DPS

Letër, karton dhe brum letre - Përcaktimi i përbërjes fibroze - Pjesa 4: Prova e çngjyrosjes Graff "C"

60.60 Standard published

DPS/KT 172 më tepër

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