等级

Cu

Pb

Zn

Cd

Fe

Tl

Sn

As

Al

杂质总量

In≥99.99%

≤5ppm

≤15ppm

≤20ppm

≤15ppm

≤10ppm

≤10ppm

≤20ppm

≤5ppm

≤10ppm

≤100ppm

In≥99.993%

≤5ppm

≤10ppm

≤15ppm

≤15ppm

≤8ppm

≤10ppm

≤15ppm

≤5ppm

≤7ppm

≤70ppm

In≥99.995%

≤5ppm

≤5ppm

≤5ppm

≤5ppm

≤5ppm

≤5ppm

≤5ppm

≤5ppm

≤5ppm

≤50ppm