NF ISO 13909-2

November 2005

Standard Cancelled

Hard coal and coke - Mechanical sampling - Part 2 : coal - Sampling from moving streams

L'ISO 13909-2:2001 spécifie les modes opératoires et les exigences pour la conception d'échantillonneurs et l'élaboration de plans d'échantillonnage pour l'échantillonnage mécanique en continu du charbon et décrit les méthodes d'échantillonnage utilisées.

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Main informations

Collections

National standards and national normative documents

Publication date

November 2005

Number of pages

39 p.

Reference

NF ISO 13909-2

ICS Codes

73.040 Coals

Classification index

M01-013-2

Print number

1 - 28/10/2005

International kinship

ISO 13909-2:2001

Sumary

Hard coal and coke - Mechanical sampling - Part 2 : coal - Sampling from moving streams

Table of contents

Avant-propos
iv
1 Domaine d'application
1
2 Références normatives
1
3 Termes et définitions
1
4 Mise en oeuvre d'un programme d'échantillonnage
2
5 Méthodes d'échantillonnage
11
6 Conception des échantillonneurs mécaniques
14
7 Manipulation et stockage des échantillons
23
8 Préparation des échantillons
24
9 Biais
24
10 Vérification
26
Annexe A (informative) Exemples de calculs du nombre de sous-lots et du nombre de prélèvements élémentaires par sous-lot (échantillonnage en continu)
27
Annexe B (normative) Évaluation du matériel d'échantillonnage pour un échantillonnage reposant sur la masse
30
Annexe C (informative) Directives relatives au fonctionnement des échantillonneurs mécaniques
34
Bibliographie
35

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