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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
|