ISO 619:1981
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Minerais de manganèse — Dosage du chrome — Méthode photométrique à la diphényl- carbazide et méthode titrimétrique au persulfate d’argent
| Published By | Publication Date | Number of Pages |
| ISO | 1981-12 | 8 |
Method I is applicable to manganese ores having chromium contents less than 0.1 % (m/m), method II is applicable to manganese ores having chromium contents greater than 0.1 % (m/m). This second edition cancels and replaces the first edition (i.e. ISO 619-1975). Should be read in conjunction with ISO 4297.
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