| Test Items | Index | Analytic result | ||
| High-class products | First class products | Qualified | ||
| Appearance | Colorless transparent liquid, without mechanical admixture | Colorless transparent , without mechanical admixture | ||
| Chroma(Platinum - cobalt) | 15 | 15 | 30 | <10 |
| Ethylamine content % ≤ | 70.0-72.0 | 70.0-72.0 | 70.0-72.0 | 70.86 |
| Inorganic ammonia content % ≤ | 0.07 | 0.15 | 0.55 | - |
| Diethylamine content % ≤ | 0.07 | 0.15 | 0.7 | 0.05 |
| Triethylamine content % ≥ | 0.04 | 0.07 | 0.25 | 0.038 |
| Ethanol content % ≤ | 0.07 | 0.07 | 0.15 | 0.015 |
| Moisture content % ≤ | 30 | 30 | 30 | 29.04 |
| Test result: Pass GB/T23962-2009(High-class products)standard | ||||