UNI 6642-1970
Chemical analysis of manganese ores. Determination of aluminium oxide. Gravimetric method with oxyquinoline, by preliminary separation of aluminium as phosphate.

Standard No.

UNI 6642-1970

Release Date

1970

Published By

IT-UNI

Latest

UNI 6642-1970

Scope

The method is applicable for aluminum oxide contents less than or equal to 5.0%.

UNI 6642-1970 history

• 1970 UNI 6642-1970 Chemical analysis of manganese ores. Determination of aluminium oxide. Gravimetric method with oxyquinoline, by preliminary separation of aluminium as phosphate.