Description |
Unit |
Top quality |
Regular quality |
Appearance |
---- |
Colorless and clear liquid |
|
Mass fraction of perchloroethylene |
% |
≥99.9 |
≥99.90 |
Moisture |
% |
≤0.005 |
≤0.005 |
Acidity(as HCL) |
% |
≤0.02 |
≤0.01 |
Chroma(Pt-Co) |
---- |
≤15 |
≤15 |
Mass fraction of evaporated residue |
% |
≤0.005 |
≤0.005 |
Volume of copper corrosion |
Mg/cm2 |
≤0.005 |
≤1.0 |