Appearance
|
Bright reddish metallic turnings
|
Assay
|
Min 99.5%
|
Substance insoluble in HNO3
|
Max 0.05%
|
Antimony (Sb)
|
Max 0.005%
|
Arsenic (As)
|
Max 0.0002%
|
Lead (Pb)
|
Max 0.05%
|
Iron (Fe)
|
Max 0.005%
|
Manganese (Mn)
|
Max 0.005%
|
Silver (Ag)
|
Max 0.005%
|
Tin (Sn)
|
Max 0.005%
|