Specification :
Item |
Industrial Grade |
Regent Grade |
|||
GR |
AR |
CP |
|||
HNO3 % |
58 |
68 |
65-68 |
65-68 |
65-68 |
HNO2 % |
0.2 |
0.2 |
-- |
-- |
-- |
Chroma |
-- |
-- |
≤20 |
≤20 |
≤25 |
Residue On Ignition(SO4) |
0.02 |
0.02 |
≤0.0005 |
≤0.001 |
≤0.002 |
Oxide(Cl)% |
-- |
-- |
≤0.00005 |
≤0.00005 |
≤0.0002 |
Sulfate(SO4)% |
-- |
-- |
≤0.0001 |
≤0.0002 |
≤0.001 |
Fe % |
-- |
-- |
≤0.00002 |
≤0.00003 |
≤0.0001 |
As % |
-- |
-- |
≤0.000001 |
≤0.000001 |
≤0.000005 |
Cu % |
-- |
-- |
≤0.000005 |
≤0.00001 |
≤0.00005 |
Pb % |
-- |
-- |
≤0.000005 |
≤0.00001 |
≤0.00005
|