Compound hydrochloric acid
The aqueous solution of chlorine hydride is called hydrochloric acid. Molecular formula of chlorine hydride is HCl. It appears light yellow for it contains microimpurities such as iron etc.. It is a kind of volatile strong acid, toxic, corrosive. It can be reacted with many metals, alkali metals and alkaline earth metal . It is widely used in the industries of metallurgy, textile, leather, medicine and food etc..
At present we can produce three kinds of hydrochloric acid with different contents: 31% , 30% , 20%.
Quality index
Voluntary standards: GB 320-93
|
Top quality |
First quality |
Qualified products |
Total acidity (base on HCl ) = |
31.0 |
31.0 |
31.0 |
Iron = |
0.006 |
0.008 |
0.01 |
Sulphate ( base on SO4) = |
0.005 |
0.03 |
|
As = |
0.0001 |
0.0001 |
0.0001 |
Residue on ignition = |
0.08 |
0.10 |
0.15 |
Oxide (base on Cl) = |
0.005 |
0.008 |
0.010 |
|
