Sulfuric acid reagent(GB/T625-2007)

1

H₂SO₄(%)

≧95.0~98.0

2

incinerated residue(%)

≦0.001

3

chloride(%)

≦0.00003

4

nitrate(%)

≦0.00005

5

ammonium salt(%)

≦0.0002

6

Fe(%)

≦0.00005

7

As(%)

≦0.000003

8       

chromaticity(Hazen) 

≦10

9

potassium permanganate-reducing(%)

≦0.0005

10

Cu(%)

≦0.00001

11

Pb(%)

≦0.00001

Notice:   different concentrations of sulfuric acid reagent   can be prepared according to the customer's need