Why Nitric Acid 25%
Nitric Acid 25% Technical Grade provides a pre-diluted, mid-range concentration optimized for industrial operations requiring aggressive oxidation without the intense handling demands of 65% to 70% solutions. Buyers choose this 25% colorless to slightly yellow fuming liquid because it delivers reliable metal etching capabilities and immediate pH reduction while minimizing the thermal hazards associated with on-site dilution of highly concentrated acids. Formulated strictly for heavy industrial, environmental, and wastewater applications, this specific technical grade solution ensures predictable reaction rates when dissolving heavy metals or neutralizing alkaline process streams. Operating under CAS 7697-37-2, the HNO3 formula is fully soluble in water, alcohol, and other polar solvents, allowing it to integrate directly into existing continuous-flow fluid management networks.
Best Applications for This Grade
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Industrial metal surface preparation: Acts as a powerful oxidizer to rapidly strip heavy scale, metallic oxides, and inorganic impurities from steel and metal alloy surfaces, ensuring a perfectly prepared substrate prior to galvanizing or electroplating processes.
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Wastewater alkalinity neutralization: Commonly applied in municipal and industrial effluent treatment plants where rapid pH reduction is required to neutralize highly alkaline wastewater streams before they meet regulatory discharge thresholds.
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Environmental heavy metal precipitation: Assists environmental management facilities in manipulating the solubility parameters of complex waste streams, enabling the efficient coagulation, separation, and extraction of dissolved heavy metals.
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Industrial pipeline and equipment descaling: Rapidly dissolves stubborn mineral deposits, hardened calcium scaling, and accumulated inorganic buildup inside manufacturing process lines, heat exchangers, and cooling systems where a 25% concentration offers the right balance of chemical efficacy and material compatibility.
When to Choose a Different Grade
- If your facility requires a significantly more aggressive oxidizer for deep metal etching or heavy-duty industrial passivation, consider stepping up to Nitric Acid 40%.
- If your environmental treatment system only requires minor pH corrections and a 25% concentration risks over-acidifying your process stream, evaluate Nitric Acid 5% or Nitric Acid 20%.
- If you are conducting standardized laboratory testing, trace metal analysis, or precise quantitative methodologies that demand certified purity levels, select Nitric Acid 65% ACS Grade instead of a technical grade product.
- If your analytical instrumentation requires ultra-pure chemistry with strictly limited trace contaminants and particulates, choose Nitric Acid 70% ACS Grade - Low Particle.
| Molecular Weight |
63.01 |
| Formula |
HNO3 |
| Assay |
24-26% |
| Grade |
Reagent |
| Form |
Liquid |
| Solubility |
Soluble in water |
| Appearance |
Clear, colorless liquid |
| Melting Point |
-42 |
| Boiling Point |
83 |
| Specific Gravity |
1.13 |
| Industry |
Electronics, Chemical Manufacturing, Water Treatment, Fertilizer, Laboratory |