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Reagents, nitric acid (HNO3)
REAGENT, NITRIC ACID (HNO3)
TSh 6.3-74:2002 (CN of FEA code 280 800 0000)
Nitric acid, reagent is used for manufacturing of chemical agents, in radio electronics and medicine. The density of nitric acid with mass fraction 56%, under 20°С-1,35 g/sm3 and with mass fraction 65% under 20 °С-1,4 g/sm3.
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Specifications |
Grades | ||
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«Chemically pure » |
«Analytically pure » |
«Pure» | |
|
Mass fraction of nitric acid (HNO3), %, no less than: - concentrated - diluted |
65 56 |
65 56 |
65 56 |
|
Mass fraction of residue after ignition in the form of sulphates, %, no more than |
0,001 |
0,003 |
0,005 |
|
Mass fraction of sulphates (SO4), %, no more than |
0,0001 |
0,0005 |
0,0020 |
|
Mass fraction of phosphates (РО4), %, no more than |
0,00002 |
0,00005 |
0,00200 |
|
Mass fraction of chlorides (Cl), %, no more than |
0,00003 |
0,00010 |
0,00050 |
|
Mass fraction of arsenic (As), %, no more than |
0,000001 |
0,000001 |
0,000003 |
|
Mass fraction of heavy metals (Pb), %, no more than |
0,00002 |
0,00002 |
0,00002 |
|
Mass fraction of iron (Fe), %, no more |
0,00002 |
0,00010 |
0,00030 |