ISO 553:1981
Manganese ores — Determination of vanadium content — Titrimetric method and phosphotungstovanadate photometric method
Reference number
ISO 553:1981
ISO 553:1981
Edición 2
1981-11
1981-11
© ISO 2024
Retirada
Resumen
Method I is applicable to manganese ores having vanadium contents greater than 0.05 % (m/m), method II is applicable to manganese ores having vanadium contents less than 0.05 % (m/m). This second edition cancels and replaces the first edition (i.e. ISO 553-1975). Should be read in conjunction with ISO 4297.
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