Synthetic hydrochloric acidGOST 857-95
Specifications
|
Indicator |
Grade A |
Grade B |
|---|---|---|
|
Outward appearance |
Clear, colorless liquid |
Transparent yellow liquid |
|
Mass fraction of hydrogen chloride,%, not less |
35 |
33 |
|
Mass fraction of iron (Fe),%, not more |
0,001 |
0,002 |
|
Mass fraction of residue after calcination,%, not more |
0,01 |
0,012 |
|
Mass fraction of free chlorine,%, not more |
0,002 |
0,002 |
|
Arsenic (As),%, not more |
0,0001 |
0,0001 |