| ≥1 piece |
|
ITEM
|
SPECIFICATIONS
|
|
ASSAY
|
76-84%
|
|
FRESH COLOR
|
50-100APHA
|
|
SULPHATED ASH
|
0.1% MAX
|
|
SULPHATE
|
0.25% MAX
|
|
IRON
|
10MG/KG MAX
|
|
ARSENIC
|
3MG/KG MAX
|
|
LEAD
|
5MG/KG
|
|
MERCURY
|
1MG/KG MAX
|
|
HEAVY METALS
|
10MG/KG MAX
|