Nitric Acid 35% w/w
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Need Nitric Acid 35% w/w?
- We supply nitric acid 35% w/w in 5L containers, with discounts available for bulk orders
- Further information can be found on our Sales Product Specification, available to download from our website
- Full MSDS is also available to download
How is Nitric Acid Synthesised Industrially?
In industrial processes, nitric acid (HNO3) can be produced in different manners:
Nitric acid is commonly synthesised by mixing nitrogen dioxide (NO2) and water (H2O), according to the reaction:
3 NO2 H2O → 2 HNO3 NO
The nitric oxide (NO) can be re-oxidised in the air to generate additional nitrogen dioxide which can then be used to synthesise nitric acid. From this process, solutions obtained are typically between 52 and 68% nitric acid.
In this case, ammonia (anhydrous) is converted to nitric oxide via an oxidation reaction, conducted in the presence of rhodium or platinum catalysts at high temperature (above 500 K) and pressure (9 bar):
4 NH3 (g) 5 O2 (g) → 4 NO (g) 6 H2O (g)
In a second step, nitric oxide (NO) is oxidised in air to produce nitrogen dioxide (NO2, reaction 1), and subsequently absorbed in water to finally synthesise nitric acid (reaction 2). The by-product nitric oxide (NO) can be recycled for re-oxidation.
Reaction 1: 2 NO (g) O2 (g) → 2 NO2 (g)
Reaction 2: 3 NO2 (g) H2O (l) → 2 HNO3 (aq) NO (g)
As an alternative, the final step can be done in the presence of oxygen:
4 NO2 (g) O2 (g) 2 H2O (l) → 4 HNO3 (aq)
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|Twaddell at 20°C||42.4 - 43.4||°Tw|
|BulkCode||Hazard Statement Code||Description|
|0347||H314||Causes severe skin burns and eye damage.|
|0347||H290||May be corrosive to metals.|
|BulkCode||Precautionary Statement Code||Description|
|0347||P260||Do not breathe vapour/ spray.|
|0347||P280||Wear protective gloves/ protective clothing/ eye protection/ face protection.|
|0347||P303+P361+P353||IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.|
|0347||P305+P351+P338||IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.|
|0347||P310||Immediately call a POISON CENTER/ doctor.|
|0347||P501||Dispose of contents/ container in accordance with local regulations.|
|347||ADR/RID Shipping Name||NITRIC ACID|
|347||ADR/RID Shipping Class||8|
|347||ADR/RID Packing Group||II|
The following files are available to download:
|Product ID||Product||post_status||Bulk||Download SDS File|