YB/T 4012-1991
High-quality magnesia chemical analysis method Determination of manganese oxide content by potassium periodate photometry (English Version)

Standard No.

YB/T 4012-1991

Language

Chinese, Available in English version

Release Date

1991

Published By

Professional Standard - Ferrous Metallurgy

Status

Withdraw 2007-10

Latest

YB/T 4012-1991

Replace By

GB/T 5069-2007

YB/T 4012-1991 history

• 1991 YB/T 4012-1991 High-quality magnesia chemical analysis method Determination of manganese oxide content by potassium periodate photometry

YB/T 4012-1991 High-quality magnesia chemical analysis method Determination of manganese oxide content by potassium periodate photometry was changed to GB/T 5069-2007 Chemical analysis of magnesia-alumina refractories.