錳含量

Content of Manganese     ≥

45  

氯化物

Chloride                       ≤

0.01

硫酸鹽

Sulfate                            ≤              

0.06

鋁（Al）w/%                    ≤

0.005

鉀（K）w/%                   ≤

0.005

鈉（Na）w/%                    ≤

0.005

鈣（Ca）w/%                    ≤

0.02

鎂（Mg）w/%                    ≤

0.02

鉛（Pb）w/%                    ≤

0.005

銅（Cu）w/%                    ≤

0.005

鐵（Fe）w/%                    ≤

0.005

鋅（Zn）w/%                    ≤

0.005

鈷（Co）w/%                    ≤

0.005

鎳（Ni）w/%                    ≤

0.005

鎘（Cd）w/%                               ≤

0.005

鉻（Cr）w/%                               ≤

0.004

Hydrochloric acid insoluble/ w/%               ≤

0.03

氮（N）w/%                               ≤

0.01

Primary particle size / nm                      ≤

100

Specific surface area / m²·g^-1                            ≥

25