Phosphorous acid
31%Hydrochloric acid
31%Refined Hydrochloric acid
37%Refined Hydrochloric acid
Products
31%Refined Hydrochloric acid
Name of indicator
Indicator
Total acidity (HCl) %≥
31.0
Iron %≤
0.01
Sulfate (SO
4
) %≤
0.007
Free chlorine and bromine %≤
0.003
Residue on ignition %≤
0.10
Heavy metal ( Pb ) %≤
0.0005
Arsenic %≤
0.0001
Appearance
Colorless or slight yellow transparant liquid
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