ISO 7156:1991
International Standard
Historical
·
Approved on
07 March 1991
Refined nickel — Sampling
ISO 7156:1991 Files
English
12 Pages
Historical
OMR
32.88
ISO 7156:1991 Scope
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.
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