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Interview

4 December 2019г.

Increasing the Pace of Production, not Forgetting about the Environment

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Reagents, nitric acid (HNO3)

Reagents, nitric acid (HNO3)

REAGENT, NITRIC ACID (HNO3)

TSh 6.3-74:2002 (HS 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.

Specifications

Grades

«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


 
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