| Item |
Specification |
Specification |
Specification |
Specification |
| Na 2 S | 60% Min. | 60% Min. | 60% Min. | 60% Min. |
| Fe | 1500ppm Max. | 150ppm Max. | 80ppm Max. | 50ppm Max. |
| Water insoluble Matter |
0.4% Max. |
0.4% Max. |
0.4% Max. |
0.4% Max. |
| Na 2 CO 3 | 5% Max. | 5% Max. | 5% Max. | 5% Max. |
| Item | Specification | Specification | Specification |
| Na 2 S | 60% Min. | 5 2% Min. | 5 0% Min. |
| Fe | 10ppm/ 30ppm Max. | 10ppm/ 30ppm Max. | 10ppm/ 30ppm Max. |
| Water Insoluble Matter | 0.2% Max. | 0.2% Max. | 0.2% Max. |
| Na 2 CO 3 | 3% Max. | 3% Max. | 3% Max. |
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