Ar Primary Standard Sodium Carbonate
Analytical Primary Standard
Analytical Reagent

Primary Standard Grade Sodium Carbonate

Primary Standard grade Sodium Carbonate manufactured for volumetric analysis, standardization, and analytical chemistry. Our ultra-pure reference standard provides reliable analytical properties for titrimetric analysis, acid standardization, and analytical determinations in research and quality control applications.

  • Primary Standard Purity
  • Volumetric Analysis
  • Acid Standardization
  • Titrimetric Analysis
  • Quality Control
  • Research Laboratory Use
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Technical Specifications

Chemical Formula: Na₂CO₃
CAS Number: 497-19-8
EINECS Number: 207-838-8
Assay (Na₂CO₃): 99.95-100.05% (Primary Standard)
Physical State: White crystalline powder
Molecular Weight: 105.99 g/mol
Melting Point: 851°C
Density: 2.54 g/cm³
Solubility in Water: 21.5 g/100 mL (20°C)
pH (1% solution): 11.3-11.7
Loss on Drying: ≤0.05%
Insoluble Matter: ≤0.005%
Chloride (Cl): ≤0.003%
Sulfate (SO₄): ≤0.005%
Iron (Fe): ≤0.0003%
Heavy Metals (as Pb): ≤0.0005%
Packaging Options: 100g, 250g, 500g, 1kg bottles

Applications

Primary Standard for Titrations
Acid Standardization
Volumetric Analysis
Analytical Chemistry
Educational Laboratories
Reference Standards
Quality Control Testing
Industrial Analysis
Pharmaceutical Analysis
Environmental Testing
Research Applications
Buffer Preparation

Industry-Specific Grades

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

Primary Standard Grade
Assay: 99.95-100.05% Loss on Drying: ≤0.05% Insoluble Matter: ≤0.005% Application: Primary standardization
AR Grade (Analytical Reagent)
Assay: ≥99.5% Heavy Metals: ≤0.0005% Chloride: ≤0.003% Application: General analytical procedures
Educational Grade
Assay: ≥99.0% Suitable for Teaching Labs Cost-Effective for Students Application: University laboratories
Technical Grade
Assay: ≥98.0% Industrial Applications Process Chemistry Application: Manufacturing processes

Quality Standards

DRAVYOM's Primary Standard Sodium Carbonate is manufactured under stringent quality control protocols, meeting international analytical standards including ACS, ISO, and pharmacopoeia specifications. Our primary standard grade ensures the highest accuracy for analytical determinations.

ISO 9001:2015 Certified Manufacturing
Primary Standard Grade
99.95-100.05% Assay Accuracy
Ultra-Low Impurities
Moisture Control ≤0.05%
Batch-to-Batch Consistency
Traceable Certificate of Analysis
Controlled Storage Conditions

Advanced Chemical Properties & Performance

AR Grade Primary Standard Sodium Carbonate exhibits exceptional standardization properties essential for analytical titrations. Its ultra-pure composition and precise stoichiometry ensure reliable performance in acid standardization and volumetric analysis procedures.

Primary Standard Properties
Assay (Na₂CO₃): 99.95-100.05% anhydrous
Molecular Weight: 105.988 g/mol (exact)
Equivalency: 2 equivalents per mole
Moisture Content: ≤ 0.05% (Karl Fischer)
Physical Properties
Appearance: White crystalline powder
Solubility (20°C): 215 g/L in water
pH (1% solution): 11.5-12.0
Density: 2.54 g/cm³ (solid)
Standardization Performance
Titration Precision: ±0.01% relative error
End Point Sharpness: Sharp, reproducible
Equivalence Point: pH 8.3 (phenolphthalein)
Standard Deviation: ≤ 0.005% (n=10)
Purity Specifications
Insoluble Matter: ≤ 0.005%
Chloride (Cl): ≤ 0.003%
Sulfate (SO₄): ≤ 0.005%
Heavy Metals (as Pb): ≤ 0.0005%
Stability Properties
Shelf Life: 5 years under proper storage
Thermal Stability: Stable up to 851°C
Hygroscopicity: Slightly hygroscopic
Storage Requirements: Dry, sealed containers

Performance Characteristics

Detailed performance metrics demonstrate AR Grade Primary Standard Sodium Carbonate superiority in analytical standardization with exceptional precision, reproducible titration endpoints, and reliability across diverse volumetric analysis procedures and acid standardization protocols.

Standardization Accuracy

Precision: ±0.01% relative error

Ultra-precise acid standardization
Stoichiometric Reliability

Purity: 99.95-100.05% assay

Perfect stoichiometric accuracy
End Point Clarity

Sharpness: Distinct color change

Clear titration endpoints
Solubility Performance

Rate: Complete dissolution

Rapid, complete solubility
Batch Consistency

Variation: ≤0.005% standard deviation

Outstanding reproducibility
Long-term Stability

Duration: 5 years storage life

Extended analytical integrity

Safety Information

Generally safe alkaline compound with mild irritant properties. Handle with standard laboratory precautions including gloves and safety glasses. Avoid inhalation of dust and contact with eyes. Use in well-ventilated areas and follow proper disposal procedures.

Low Hazard
Mild Irritant
Eye Irritation

Storage & Handling

Store in original sealed containers in a cool, dry place away from moisture and acids. Keep containers tightly closed and use clean, dry handling techniques. Avoid exposure to humidity and ensure proper labeling for analytical grade identification.

Cool, dry storage (15-25°C)
Moisture protection essential
Sealed containers required
Clean, dry handling

Chemical Mechanisms & Reaction Pathways

Primary standard sodium carbonate demonstrates precise acid neutralization through stoichiometric bicarbonate formation, enabling accurate acid standardization with defined molecular weight and complete reaction mechanisms.

Two-Step Neutralization

Na₂CO₃ + HCl → NaHCO₃ + NaCl, then NaHCO₃ + HCl → NaCl + H₂O + CO₂

Complete acid neutralization with two equivalents
Stoichiometric Precision

Exact molecular weight enables precise molar calculations for standardization

Primary standard grade accuracy
CO₂ Evolution

Carbon dioxide release provides visual confirmation of complete reaction

Observable reaction completion
Buffer Capacity

Intermediate bicarbonate formation provides buffering during titration

Stable pH transition for endpoint detection

Regulatory Compliance & Documentation

Comprehensive regulatory compliance ensures global laboratory access with complete documentation packages supporting international analytical standards and primary standard specifications.

ACS Primary Standard

American Chemical Society primary standard specifications

NIST Traceable

National Institute of Standards and Technology traceability

ISO 3696 Standard

International standard for analytical grade reagent specifications

REACH Registration

European Union chemical regulation compliance

USP Grade Available

United States Pharmacopeia primary standard specifications

SDS Documentation

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

Technical Support & Value-Added Services

DRAVYOM's analytical chemistry team provides comprehensive standardization method support, troubleshooting assistance, and analytical services to optimize primary standard sodium carbonate performance in your specific applications.

Standardization Development
  • Acid standardization protocols
  • Precision weighing techniques
  • Endpoint detection optimization
  • Uncertainty calculation methods
Analytical Services
  • Purity verification analysis
  • Moisture content determination
  • Assay value validation
  • Traceability documentation
Technical Support
  • Standardization troubleshooting
  • Primary standard handling training
  • Laboratory protocol development
  • Quality assurance guidance
Supply Solutions
  • Certified reference materials
  • Emergency supply arrangements
  • Custom packaging options
  • Climate-controlled distribution

Environmental Impact & Sustainability

Our primary standard sodium carbonate production emphasizes environmental responsibility through sustainable manufacturing practices, waste reduction systems, and comprehensive environmental impact management for analytical operations.

Soda Recovery

Advanced sodium carbonate recovery and purification systems

Water Conservation

Efficient crystallization processes with water recycling

Energy Efficiency

Low-energy calcination and manufacturing processes

Safe Disposal

Environmentally safe neutralization and disposal protocols

ISO 14001

Environmental management system certified production

Natural Source

Derived from naturally occurring trona ore deposits

Manufacturing Excellence & Quality Control

DRAVYOM's state-of-the-art primary standard manufacturing facility employs advanced purification technology with continuous monitoring systems to ensure consistent sodium carbonate quality and performance across all production batches.

Purification Process

Multi-stage recrystallization with controlled thermal treatment

Primary standard grade purity and stability
Quality Testing

Comprehensive analysis including assay, moisture, and trace impurities

Gravimetric and titrimetric verification
Quality Systems

ISO 9001:2015 quality management with primary standard certification

Continuous improvement and traceability
Packaging Control

Moisture-proof containers with desiccant protection and stability preservation

Chemical stability and contamination prevention

Market Applications & Performance Data

Comprehensive analytical laboratory data demonstrating primary standard sodium carbonate effectiveness across diverse applications with quantified performance metrics and standardization method validations.

Acid Standardization
Purity: 99.95%+ Na₂CO₃ content Precision: ±0.01% RSD reproducibility Traceability: NIST reference standards
Educational Institutions
Curriculum Support: 100+ analytical protocols Reproducibility: >99.5% consistent results Teaching Value: Fundamental standardization
Calibration Labs
Reliability: 99.99% batch consistency Stability: 3-year shelf life Accuracy: Primary standard grade

DRAVYOM Competitive Advantages

Primary Standard Excellence

Consistently ultra-pure sodium carbonate with NIST traceability for precise acid standardization

Reliable Supply

Guaranteed availability with strategic inventory management and specialized production scheduling

Standardization Expertise

Dedicated analytical chemistry team provides primary standard method development and support

Quality Assurance

Traceable certificates with comprehensive purity validation and analytical method support

Global Standards

International compliance with ACS, NIST, and primary standard specifications for worldwide acceptance

Partnership Approach

Collaborative relationships with calibration laboratories and custom primary standard development services