Prezentul Standard Interna?ional stabile?te metodele experimentale de evaluare a varia?iei calit??ii feroaliajelor ?n scopul determin?rii parametrilor de prelevare aleatorie ?i de prelevare ?n dou? trepte, ?n conformitate cu standardele interna?ionale corespunz?toare. Standardul stabile?te de asemenea, metodele de verificare a fidelit??ii de prelevare a probelor prin metoda aleatorie ?i prin metoda ?n dou? trepte.
STAS SR ISO 7087:1995 history
1995STAS SR ISO 7087:1995 Ferroalloys. Experimental methods for the evaluation of the quality variation and methods for checking the precision of sampling