hydrochloric acid(HCL)
casNo.：7647-01-0 Form ：liquid Package：ISO TANK 20FT/200Kg DrumHydrochloric acid is used in metal processing, pickling steel, leather processing, production of food additives, cleaning agents.
| No. | TEST/Item | A | B | C | Test Result |
| 1 | Total acidity/% ≥ | 31 | 31 | 31 | 33.8 |
| 2 | Free chlorine/% ≤ | 0.004 | 0.008 | 0.01 | 0.0024 |
| 3 | Iron/% ≤ | 0.002 | 0.008 | 0.01 | 0.00002 |
| 4 | arsenic/% ≤ | 0.0001 | 0.0001 | 0.0001 | / |
| 5 | sulfate/% ≤ | 0.005 | 0.03 | 一 | / |
| 6 | Burning residue/% ≤ | 0.05 | 0.1 | 0.15 | / |
| 7 | Appearance | Colorless or light yellow transparent liquid | Colorless | ||