Complaint
Items | Specification | Specification | Specification |
Appearance | White powder | Colorless translucent crystals | colorless liquid |
Purity | 95%; 98% | ≥98% | 20%;25%;50% |
Density(20ºC) | 1.039~1.046g/cm3 | 1.039~1.046g/cm3 | 1.039~1.046g/cm3 |
PH value(20ºC) | 4.0~6.0 | 4.0~6.0 | 4.0~6.0 |
Absorbance(237nm) | ≥400 | ≥400 | ≥400 |
Absorbance(237nm/222nm) | 1.2~1.6 | 1.2~1.6 | 1.2~1.6 |
Absorbance 1% 236nm | ≥400 | ||
Absorbance (236/220nm) | 1.2-1.6 |
