STAS SR ISO 1694:1995
Cryolite, natural and artificial — Determination of iron content — 1,10-Phenanthroline photometric method

Standard No.
STAS SR ISO 1694:1995
Release Date
1995
Published By
RO-ASRO
Latest
STAS SR ISO 1694:1995
Scope
Prezentul Standard Interna?ional stabile?te metoda fotometric? cu 1,10-fenantrolin? pentru determinarea con?inutul.ui de fier din criolita natural? ?i sintetic?, precum ?i din produsele naturale ?i sintetice cu un raport molar (NaF/AIF3) cuprins ?ntre circa 3 ?i 1,7. Metoda se aplic? produselor cu un con?inut de fier, exprimat ?n oxid de fier (III), mai mare sau egal cu 0,020% (m/m).

STAS SR ISO 1694:1995 history

  • 1995 STAS SR ISO 1694:1995 Cryolite, natural and artificial — Determination of iron content — 1,10-Phenanthroline photometric method



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