|
|
|
|
| 序号 |
指标名称 |
指标 |
|
优等品 |
一等品 |
二等品 |
| 01 |
Na2S |
≥96 |
≥94 |
≥92 |
| 02 |
Na2SO3 |
≤1.3 |
≤1.5 |
≤1.7 |
| 03 |
Na2S2O3 |
≤1.3 |
≤1.5 |
≤1.7 |
| 04 |
Na2CO3 |
≤1.2 |
≤1.6 |
≤2.0 |
|
| |
|
|
| 序号 |
指标名称 |
指标 |
| 01 |
Na2S |
≥43% |
≥31% |
| 02 |
Na2SO3+Na2S2O3 |
≤1% |
≤0.6% |
| 03 |
Fe |
≤10ppm |
≤8ppm |
|
|
|
| 序号 |
指标名称 |
指标 |
| 01 |
Na2S |
≥58% |
| 02 |
Na2SO3+Na2S2O3 |
≤0.65% |
| 03 |
Na2CO3 |
≤0.8% |
| 04 |
Fe |
≤10ppm |
|
| |
|
| 序号 |
指标名称 |
指标 |
| 01 |
硫氢化钠 % ≥ |
70%min |
| 02 |
硫化钠 % ≤ |
3%max |
| 03 |
铁 % ≤ |
0.003% max |
|
| |
|
|
