| 分析项目 | 单位 | 工业级 | 电池级 | 电子级(G2) | 电子级(G3) | 电子级(G4) |
|---|---|---|---|---|---|---|
| 外观 | - | Colourless Transparent Liquid | Colourless Transparent Liquid | Colourless Transparent Liquid | Colourless Transparent Liquid | Colourless Transparent Liquid |
| 纯度 | WT% | ≥99.80 | ≥99.90 | ≥99.90 | ≥99.92 | ≥99.95 |
| 水分 | WT% | ≤0.020 | ≤0.020 | ≤0.020 | ≤0.015 | ≤0.010 |
| 色度 | APHA | ≤10.0 | ≤10.0 | ≤10.0 | ≤10.0 | ≤10.0 |
| 总胺 | ppm | ≤20.0 | ≤20.0 | ≤20.0 | ≤10.0 | ≤10.0 |
| pH(10%溶液) | - | 6~9 | 6~9 | 6~9 | 6~9 | 6~9 |
| 折光率 | - | 1.467~1.471 | 1.467~1.471 | 1.467~1.471 | 1.467~1.471 | 1.467~1.471 |
| 金属离子 | ppb | - | ≤20.0 | ≤10.0 | ≤1.0 | ≤0.1 |
| 颗粒度>0.2μm | EA/ml | - | - | - | - | ≤300.0 |
| 颗粒度>0.5μm | EA/ml | - | - | - | ≤100.0 | ≤50.0 |