Formula：HCL
Application：
Hydrogen chloride is a widely-used, non-chloride product used to balance chlorine base production.
Requirements of industrial hydrochloric acid (GB320-93)
| Index NameIndex Level | Best |
Fine |
Pass |
Concentration of Acid (Calculated in HCL) %≥ |
31.0 |
31.0 |
31.0 |
Iron%≤ |
0.006 |
0.008 |
0.01 |
Salt of Sulphate(Calculated in SO4-2) ≤ |
0.005 |
0.03 |
- |
Iodine≤ |
0.0001 |
0.0001 |
0.0001 |
Burnt Residue≤ |
0.08 |
0.10 |
0.15 |
Oxide(Calculated in CL-1) %≤ |
0.005 |
0.008 |
0.010 |
Note：
（1）Arsenic, burnt residue, oxides are testing items.
（2）Comparative figures are listed in the table above.
Requirement of high pure hydrochloric acid (HG2778-1996)
| Index NameIndex Level | Fine |
Pass |
Concentration of Acid (Calculated in HCL) %≥ |
31.0 |
31.0 |
Iron mg/L≤ |
0.03 |
3.0 |
Calcium mg/L≤ |
0.3 |
0.60 |
Magnesiummg/L ≤ |
0.07 |
0.2 |
Free chlorine mg/L≤ |
25.0 |
50 |
Residue on evaporation mg/L≤ |
20 |
60 |
