| US$499.00-699.00 | 10 Tons (MOQ) |
| Item | Grade A | Grade B |
| Colour | yellow | red |
| Na2S%min≥% | 60 | 52/60 |
| Na2CO3%max≤% | 1.80 | 5.00 |
| Na2SO3%max≤% | 1 | 2.00 |
| Na2S2O3%max≤% | 2.00 | 2.00 |
| Water Insolubles % max≤% | 0.05 | 0.40 |
| Fe max≤% | 10-30PPM | 30-300PPM |
| Item | The National Standard |
| Appearance | Yellow Flakes |
| NaHS %≥ | 70.00 |
| Na2S %≤ | 3.50 |
| Fe %≤ | 0.0030 |
| Conclusion | Qualified |
