USD $6.00-9.00 / Gram
USD $100.00-150.00 / Kilogram
USD $100.00-150.00 / Kilogram
USD $100.00-150.00 / Kilogram
USD $47.80-52.50 / Gram
USD $100.00-150.00 / Kilogram
USD $100.00-150.00 / Kilogram
top-grade
|
first grade
|
|
appearance |
crystal
|
crystal
|
color |
white
|
light yellow to off-white
|
assay (%) |
≥99
|
≥97
|
volatile matter (%) |
≤0.3
|
≤0.5
|
ash (%) |
≤0.2
|
≤0.5
|