| ≥1 piece |
Product Description
|
Index |
Standard |
|||
|
Type |
Super grade |
Top grade |
First grade |
Second grade |
|
Chroma |
≤20 |
≤20 |
≤30 |
≤70 |
|
Assay |
≥ 99.5 % |
≥ 98.5 % |
≥ 98 % |
≥ 95 % |
|
Density (20°C ) |
≥1.2598 g/ml |
≥ 1.2572g/ml |
≥ 1.2559g/ml |
≥1.2481 g/ml |
|
Chloride |
≤ 0.001% |
≤ 0.001% |
≤ 0.01% |
≤0.05 % |
|
Sulfating Ash |
≤0.01% |
≤0.01% |
≤0.01% |
≤0.01% |
|
Acidity or Alkalinity |
≤0.064mmol/100g |
≤0.064mmol/100g |
≤0.1mmol/100g |
≤0.3mmol/100g |
|
Saponification equivalent |
≤0.64mmol/100g |
≤0.64mmol/100g |
≤1mmol/100g |
≤3mmol/100g |
|
Heavy metals (as Pb) |
≤5mg/kg |
≤5mg/kg |
≤5mg/kg |
≤5mg/kg |
|
As |
≤2mg/kg |
≤2mg/kg |
≤2mg/kg |
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