AR Grade Nitric Acid
Analytical Premium
Analytical Reagent

AR Grade Nitric Acid (HNO₃)

Ultra-pure Analytical Reagent grade nitric acid manufactured to meet stringent ACS specifications for precise analytical procedures, oxidative digestions, and high-accuracy laboratory work. Our AR grade HNO₃ delivers exceptional purity and oxidative power for critical analytical applications.

  • 68-70% Analytical Grade Concentration
  • ACS Grade Standards Compliance
  • Ultra-Low Metal Impurities (≤0.000001%)
  • Traceable Certificate of Analysis
  • Superior Oxidizing Properties (E° = +0.96V)
  • Research Grade Quality & Digestion Power
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Technical Specifications

Chemical Formula: HNO₃
CAS Number: 7697-37-2
EINECS Number: 231-714-2
Concentration (Assay): 68-70% (ACS Grade)
Physical State: Clear, colorless to pale yellow liquid
Density (20°C): 1.41 g/cm³
Molecular Weight: 63.01 g/mol
Boiling Point: 121°C (68% solution)
Freezing Point: -41.6°C (68% solution)
pH (1% solution): ≤ 1.0
Residue on Evaporation: ≤ 0.0002%
Chloride (Cl): ≤ 0.0001%
Iron (Fe): ≤ 0.000005%
Heavy Metals (as Pb): ≤ 0.000001%
Sulfate (SO₄): ≤ 0.0001%
Nitrogen Oxides: ≤ 0.001%
Color (APHA): ≤ 10
UN Number: UN 2031 (Nitric acid)
Packaging Options: 500ml, 1L, 2.5L amber glass bottles

Applications

Sample Digestion & Oxidation
Trace Metal Analysis (ICP-MS/AAS)
Matrix Preparation
Environmental Analysis
Geological Sample Analysis
Metallurgical Testing
Analytical Chemistry Research
University Laboratories
Pharmaceutical Analysis
Food Safety Testing
Material Recycling Analysis
Quality Control Testing

Industry-Specific Grades

DRAVYOM offers specialized nitric acid grades tailored for specific analytical requirements, ensuring optimal performance and regulatory compliance across diverse laboratory applications.

AR Grade (Analytical Reagent)
Assay: 68-70% Residue: ≤ 0.0002% Heavy Metals: ≤ 0.000001% Application: General analytical procedures
ACS Grade (Certified)
Assay: 69.0-70.0% Iron: ≤ 0.000005% Chloride: ≤ 0.0001% Application: ACS certified analytical work
Trace Metal Grade
Assay: 67-70% Metal Impurities: ≤ 0.05 ppm each Total Metals: ≤ 0.5 ppm Application: ICP-MS, AAS analysis
Ultra-Pure Grade
Assay: 69-70% Particle Count: ≤ 100 per mL Organics: ≤ 0.5 ppm Application: Semiconductor, microelectronics

Quality Standards

DRAVYOM's AR Grade Nitric Acid is manufactured under stringent quality control protocols, meeting international analytical standards including ACS, ISO, and pharmacopoeia specifications. Our analytical-grade production ensures consistent oxidative performance and regulatory compliance.

ISO 9001:2015 Certified Manufacturing
ACS Grade Specifications
68-70% Accurate Concentration
Advanced Analytical Testing
Superior Oxidizing Power
Batch-to-Batch Consistency
Traceable Certificate of Analysis
Temperature-Controlled Logistics

Advanced Chemical Properties & Performance

AR Grade Nitric Acid exhibits exceptional oxidizing properties essential for analytical applications. Its ultra-pure composition and precise concentration ensure reliable performance in demanding oxidative procedures and trace metal analysis.

Oxidizing Properties
Standard Reduction Potential: +0.96 V (NO₃⁻/NO)
Oxidation Number: +5 (nitrogen)
Reactivity: Strong oxidizing agent
Decomposition Products: NO₂, NO, H₂O
Physical Properties
Boiling Point (70%): 121°C
Freezing Point (70%): -41.6°C
Vapor Pressure (20°C): 6.4 kPa
Viscosity (25°C): 0.761 mPa·s
Analytical Performance
Digestion Efficiency: 99.9%+ for organic matrices
Metal Recovery: 98-102% for trace elements
Background Signal: Minimal interference
Matrix Effects: Low suppression/enhancement
Purity Specifications
Total Impurities: ≤ 0.0005%
Organic Impurities: ≤ 0.00005%
Water Content: 30-32% (for 70% HNO₃)
Nitrogen Oxides: ≤ 0.001%
Stability Properties
Shelf Life: 3 years (unopened, amber glass)
Light Sensitivity: Photochemical decomposition
Temperature Stability: Stable 0-25°C
Container Compatibility: Amber glass, PTFE-lined containers

Performance Characteristics

Detailed performance metrics demonstrate AR Grade HNO₃ superiority in analytical applications with exceptional oxidative power, digestion efficiency, and reproducibility across diverse analytical procedures and testing protocols.

Digestion Performance

Efficiency: 99.9%+ complete matrix destruction

Superior oxidative digestion capability
Metal Recovery

Recovery rates: 98-102% for trace elements

Exceptional quantitative performance
ICP-MS Performance

Background: Sub-ppb detection limits

Ultra-low background interference
Temperature Range

Working range: 20-150°C operational

Versatile digestion temperature capability
Batch Reproducibility

Variation: ±0.05% between batches

Outstanding lot-to-lot consistency
Shelf Stability

3 years in amber glass containers

Extended analytical grade integrity

Safety Information

Highly corrosive and strong oxidizing acid that can cause severe burns and fires. Handle in well-ventilated areas with appropriate protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Avoid contact with organic materials and ensure emergency procedures are in place.

Corrosive
Oxidizing
Toxic

Storage & Handling

Store in original amber glass containers in a cool, dry, well-ventilated area away from organic materials and reducing agents. Keep containers tightly closed and protect from direct sunlight. Use corrosion-resistant storage equipment and ensure proper NOx vapor management systems.

Cool storage (10-25°C)
NOx vapor extraction required
Amber glass containers only
Separate from organics & flammables

Chemical Mechanisms & Reaction Pathways

Nitric acid exhibits strong oxidizing properties through multiple electron transfer mechanisms, enabling complete oxidative digestion of organic and inorganic matrices for analytical applications.

Oxidative Digestion

Complete mineralization: Organic matrices → CO₂ + H₂O + mineral salts

Quantitative conversion for trace analysis
Metal Dissolution

Passivation layer removal and metal oxide formation

Essential for complete sample dissolution
Nitration Reactions

Electrophilic substitution with aromatic compounds

Controlled derivatization for analysis
Redox Chemistry

Multi-electron transfer processes with variable oxidation states

Versatile oxidative analytical applications

Regulatory Compliance & Documentation

Comprehensive regulatory compliance ensures global analytical laboratory access with complete documentation packages supporting international standards and analytical method validations.

ACS Specifications

American Chemical Society analytical reagent standards compliance

ISO 6353 Standard

International standard for reagent specifications and testing

USP Grade Available

United States Pharmacopeia specifications for pharmaceutical analysis

REACH Registration

European Union chemical regulation compliance

EPA Method Support

Validated for EPA environmental analytical methods

SDS Documentation

Multi-language Safety Data Sheets (16 sections, GHS compliant)

Technical Support & Value-Added Services

DRAVYOM's analytical chemistry team provides comprehensive digestion method support, troubleshooting assistance, and analytical services to optimize AR Grade HNO₃ performance in your specific analytical applications.

Digestion Method Development
  • Microwave digestion optimization
  • Open vessel digestion protocols
  • Matrix-specific method development
  • Temperature and pressure optimization
Analytical Services
  • Certificate of Analysis verification
  • Custom purity analysis
  • Trace metal contamination testing
  • Digestion efficiency validation
Technical Support
  • Analytical troubleshooting consultation
  • Safety and handling guidance
  • Method transfer support
  • Laboratory safety training
Supply Solutions
  • Consistent high-purity batching
  • Emergency supply arrangements
  • Custom packaging solutions
  • Global distribution network

Environmental Impact & Sustainability

Our AR Grade HNO₃ production emphasizes environmental responsibility through sustainable manufacturing practices, NOx emission control, and comprehensive environmental impact management for analytical laboratory operations.

NOx Emission Control

Advanced scrubbing systems for nitrogen oxide capture

Acid Recovery

Spent acid recovery and regeneration programs

Clean Production

Energy-efficient ostwald process with emission controls

Safe Disposal

Comprehensive neutralization and disposal guidance

ISO 14001

Environmental management system certified production

Container Recycling

Amber glass container return and recycling programs

Manufacturing Excellence & Quality Control

DRAVYOM's state-of-the-art analytical reagent manufacturing facility employs advanced distillation and purification technology with continuous monitoring systems to ensure consistent AR Grade HNO₃ quality and performance across all production batches.

Production Process

Multi-stage distillation with ultra-pure water in controlled atmosphere

Precise concentration control and purification
Quality Testing

28-point analytical testing protocol including metals, organics, and trace impurities

ICP-MS verification and ion chromatography
Quality Systems

ISO 9001:2015 quality management with analytical laboratory accreditation

Continuous improvement and method validation
Packaging Control

Amber glass containers with inert atmosphere and vapor tight sealing

Light protection and decomposition prevention

Market Applications & Performance Data

Comprehensive analytical laboratory data demonstrating AR Grade HNO₃ effectiveness across diverse applications with quantified performance metrics and analytical method validations.

Digestion Applications
Efficiency: 99.9%+ matrix destruction Recovery: 98-102% for trace elements Speed: 50% faster vs conventional methods
Research Institutions
Publication Support: 800+ cited methods Reproducibility: >99.5% inter-lab agreement Innovation: Advanced digestion protocols
Environmental Labs
EPA Method Compliance: 100% validation Detection Limits: Sub-ppb levels achieved Sample Throughput: 40% improvement

DRAVYOM Competitive Advantages

Superior Oxidizing Power

Consistently exceeds ACS specifications with exceptional oxidative performance for complete matrix digestion

Reliable Supply

Guaranteed availability with strategic inventory management and analytical-grade production scheduling

Analytical Expertise

Dedicated analytical chemistry team provides digestion method development and troubleshooting support

Quality Assurance

Traceable certificates with comprehensive analytical data and digestion method validation support

Global Standards

International compliance with ACS, USP, and EPA specifications for worldwide analytical acceptance

Partnership Approach

Collaborative relationships with analytical laboratories and custom digestion method development services