Nitric acid at a concentration of 61–63% is a widely used industrial reagent with essential roles in chemical synthesis, surface treatment, and formulation processes. Its controlled reactivity and compatibility with numerous industrial systems make it a key material across multiple sectors.

Nitric acid in this concentration range is utilised as:

• An intermediate in chemical manufacturing, supporting the synthesis of various inorganic and organic compounds.
• A component in formulated mixtures for industrial processing and distribution.
• A cleaning and descaling agent, particularly effective in removing mineral deposits and residues.
• A surface‑treatment reagent for metals and plastics, enabling etching, passivation, and preparation for subsequent processing.
• A process auxiliary substance, acting as a reactive agent in synthesis and transformation reactions.
• A regeneration agent for ion‑exchange resins, restoring functional capacity in water‑treatment systems.
• A laboratory reagent for analytical and preparative applications.

In professional environments, nitric acid 61–63% is applied for:

• Dilution, suspension, and preparation of fertiliser solutions used in controlled agricultural systems.
• Industrial cleaning operations, including removal of oxides and contaminants.
• Metal surface treatment, supporting corrosion control and surface activation.
• pH regulation in various industrial processes.
• Laboratory analysis, including titration and sample preparation.
• Concrete surface corrosion testing, where it functions as a controlled etching reagent.

Nitric acid in this concentration typically serves as:

• An intermediate product in chemical synthesis.
• A pH‑regulating agent in industrial and laboratory processes.
• A cleaning and descaling agent for equipment, surfaces, and processing systems.