Product Overview

Laboratory-Grade 70% Nitric Acid ACS delivers superior analytical performance through its ultra-pure formulation. This precision-certified oxidizing acid meets or exceeds all American Chemical Society (ACS) specifications while maintaining exceptionally low particle content. Our laboratory-validated solution provides maximum purity for critical analytical procedures, metal processing applications, and precision research protocols. Each lot undergoes comprehensive testing to ensure compliance with rigorous ACS standards required by analytical laboratories and research facilities nationwide.

Key Properties

• CAS Number: 7697-37-2 (Pure Nitric Acid HNO3)
• UN Number: UN2031 (Class 8 Corrosive/Oxidizer)
• Specific Gravity: 1.42 at 20°C (68°F)
• Assay: 69.5-70.5% HNO3
• Residue after Ignition: <0.0001%
• Heavy Metals (as Pb): <0.1 ppm
• Chloride (Cl): <0.02 ppm
• Particle Count: <10 particles/mL at 0.5μm

Common Applications

• Precision metal etching and advanced surface treatment processes
• Ultra-trace elemental analysis and atomic absorption spectroscopy
• Advanced chemical synthesis and controlled oxidation reactions
• Semiconductor manufacturing and high-purity metal processing
• Professional analytical laboratory quality control procedures
• Research-grade sample preparation and digestion protocols
• Certified precious metal testing and refinement operations
• Advanced materials science research and development

Safety Precautions

POWERFUL OXIDIZER/CORROSIVE - Professional laboratory protocols required. Class 8 Corrosive with strong oxidizing properties. Mandatory safety equipment includes chemical-resistant fluoroelastomer gloves (minimum 20 mil thickness), full face shield over splash-proof chemical goggles, acid-resistant laboratory coat, and chemical-resistant apron. Use exclusively in certified laboratory fume hoods with proper ventilation systems. Store in dedicated acid storage cabinets separated from organic materials and reducing agents. Install emergency eyewash stations and safety showers within 10 seconds' reach. Follow all OSHA laboratory safety standards and chemical hygiene plans for handling strong oxidizing acids.

Benefits

Our premium ACS-Grade 70% Nitric Acid sets the benchmark for analytical excellence through its ultra-low particle formulation. This laboratory-validated reagent undergoes comprehensive quality control testing including trace metal analysis, particle count verification, and chloride content screening to ensure compliance with stringent ACS specifications. Each lot receives a detailed Certificate of Analysis documenting full compliance with all ACS parameters, providing complete traceability for regulated laboratory environments. The precisely maintained 70% concentration delivers optimal oxidizing power while ensuring extended stability under proper storage conditions. Our advanced packaging protocols utilize high-purity acid-resistant containers with tamper-evident seals, guaranteeing reagent integrity from manufacturing to laboratory use. This professional-grade acid is trusted by analytical chemists, research scientists, and quality control laboratories nationwide for its exceptional purity and batch-to-batch consistency in critical analytical procedures.