Sulfuric acid reagent
Product name
Sequence numbers
Testing programmes
Analytical reagent
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
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