UNI 6638-1970
Chemical analysis of manganese ores. Determination of nickel. Gravimetric method.

Standard No.

UNI 6638-1970

Release Date

1970

Published By

IT-UNI

Latest

UNI 6638-1970

Scope

The method is applicable for nickel contents greater than or equal to 0.10%; for contents lower than 0.10%; see UNI 6639-70.

UNI 6638-1970 history

• 1970 UNI 6638-1970 Chemical analysis of manganese ores. Determination of nickel. Gravimetric method.