USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $1.00-1.00 / Kilogram
test item |
specification |
|
reagent grade |
pharmaceutical grade |
|
appearance |
conform |
conform |
assay /% |
≥99.0-101.0 |
≥98.0-101.0 |
water insoluble /% |
≤0.005 |
≤0.02 |
chloride (cl)/% |
≤0.001 |
≤0.005 |
n/% |
≤0.001 |
- |
phosphate (po4)/% |
≤0.0005 |
≤0.002 |
arsenic (as)/% |
≤0.0002 |
≤0.0002 |
manganese (mn)/% |
≤0.05 |
- |
ferric (fe)/% |
≤0.02 |
≤0.10 |
copper (cu)/% |
≤0.002 |
≤0.01 |
zinc (zn)/% |
≤0.005 |
≤0.02 |
lead (pb)/% |
≤0.002 |
≤0.005 |
ammonia not sediment /% |
≤0.05 |
≤0.2 |