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ISO 7156:1991
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Refined nickel Sampling
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
25-02-2019
English, French
07-03-1991
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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