Numéro de référence
ISO 7156:1991
ISO 7156:1991
Nickel raffiné — Échantillonnage
Edition 1
1991-03
Annulée
ISO 7156:1991
13752
Annulée (Edition 1, 1991)

Résumé

Specifies sampling procedures for up to 25 tonnes of refined nickel of the same composition, size and shape and manufactured under similar conditions of production. Gives normative references, delivery forms, principle of sampling procedure, sample preparation and sampling report. Annex A gives a justification of the number of primary and secondary increments selected, annex B contains technical conditions for drilling and milling.

Informations générales

  •  : Annulée
     : 1991-03
    : Annulation de la Norme internationale [95.99]
  •  : 1
     : 12
  • ISO/TC 155
    77.120.40 
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