Ar Buffer Solution Ph 7
Analytical Neutral
Analytical Reagent

Buffer Solution pH 7.00

Analytical Reagent grade Buffer Solution pH 7.00 manufactured for pH meter calibration, analytical chemistry, and precision measurements. Our AR grade neutral buffer provides reliable pH standards for instrument calibration, quality control testing, and analytical procedures.

  • Analytical Grade Purity
  • Neutral pH Standard
  • pH Meter Calibration
  • Quality Control Testing
  • Stable pH Value
  • Research Laboratory Use
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Technical Specifications

pH Value: 7.00 ± 0.01 at 25°C
Buffer System: Phosphate buffer system
Chemical Formula: Na₂HPO₄/KH₂PO₄
CAS Number: 7558-79-4 / 7778-77-0
Physical State: Clear, colorless solution
Buffer Capacity: Excellent buffering capacity
Temperature Coefficient: -0.0028 pH/°C
Ionic Strength: 0.1 M
Conductivity: 12.0 ± 1.0 mS/cm
Chloride (Cl): ≤ 0.0005%
Sulfate (SO₄): ≤ 0.001%
Heavy Metals (as Pb): ≤ 0.0005%
Traceability: NIST SRM certified
Shelf Life: 2 years from manufacture
Storage Temperature: 15-25°C
Packaging Options: 100ml, 250ml, 500ml, 1L bottles

Applications

pH Meter Calibration
Neutral Point Reference
Buffer System Testing
Educational Laboratories
Quality Control Testing
Reference Standard
Pharmaceutical Analysis
Environmental Testing
Water Quality Analysis
Biological Systems
Research Applications
Instrument Maintenance

Industry-Specific Grades

DRAVYOM offers specialized pH 7.00 buffer solution grades tailored for specific analytical and calibration requirements, ensuring optimal neutral pH measurement accuracy and regulatory compliance across diverse laboratory applications.

AR Grade (Analytical Reagent)
pH Accuracy: ± 0.01 at 25°C Heavy Metals: ≤ 0.0005% Chloride: ≤ 0.0005% Application: General analytical procedures
NIST Traceable Grade
pH Accuracy: ± 0.005 at 25°C Traceability: NIST SRM certified Documentation: Complete COA Application: Calibration standards
Research Grade
pH Accuracy: ± 0.002 at 25°C Temperature Range: 0-60°C Stability: 2+ years Application: Advanced research work
Educational Grade
pH Accuracy: ± 0.02 at 25°C Safety: Student-safe formulation Packaging: Small bottles Application: Teaching laboratories

Quality Standards

DRAVYOM's AR Grade pH 7.00 Buffer Solution is manufactured under stringent quality control protocols, meeting international analytical standards including NIST, ISO, and pharmacopoeia specifications. Our analytical-grade production ensures consistent neutral pH measurement accuracy and regulatory compliance.

ISO 9001:2015 Certified Manufacturing
NIST Traceable Standards
Precise pH 7.00 ± 0.01
Advanced pH Testing
Temperature Stability
Batch-to-Batch Consistency
Traceable Certificate of Analysis
Extended Shelf Life

Advanced Chemical Properties & Performance

AR Grade pH 7.0 Buffer Solution exhibits exceptional neutral pH stability and precision essential for analytical calibration. Its ultra-pure composition ensures reliable performance in pH meter calibration, analytical procedures, and quality control applications requiring accurate neutral pH reference standards.

Buffer Properties
pH Value: 7.00 ± 0.01 at 25°C
Buffer System: Phosphate buffer system
Buffer Capacity: High resistance to pH change
Ionic Strength: 0.025 M nominal
Physical Properties
Appearance: Clear, colorless solution
Conductivity: 1.0-1.5 mS/cm at 25°C
Temperature Coefficient: -0.0003 pH/°C
Osmolality: 50 ± 5 mOsm/kg
Calibration Performance
Accuracy: ±0.01 pH units
Precision: ±0.005 pH units repeatability
Traceability: NIST SRM certified
Measurement Range: 15-35°C operational
Purity Specifications
Phosphate Content: Precisely controlled
Chloride: ≤0.0005%
Heavy Metals: ≤0.0001%
Carbonate: ≤0.001%
Stability Properties
Shelf Life: 2 years (unopened)
Working Life: 3 months after opening
pH Drift: ≤0.01 pH/month
CO₂ Sensitivity: Minimal atmospheric effects

Performance Characteristics

Detailed performance metrics demonstrate AR Grade pH 7.0 Buffer Solution superiority in neutral pH calibration with exceptional accuracy, reliable electrode response, and reproducible results across diverse analytical instrumentation.

Neutral pH Accuracy

Precision: 7.00 ± 0.01 pH at 25°C

Exceptional neutral point calibration
Electrode Response

Stable reading: <20 seconds equilibration

Rapid neutral measurement
Buffer Capacity

High resistance: CO₂ and contamination

Robust neutral pH maintenance
Temperature Stability

Coefficient: -0.0003 pH/°C

Minimal temperature dependence
Batch Consistency

Variation: ±0.005 pH between batches

Outstanding lot-to-lot reproducibility
Long-term Stability

pH drift: ≤0.01 pH/month storage

Extended calibration validity

Safety Information

Generally safe to handle with standard laboratory precautions. Contains phosphate salts that may cause mild eye irritation. Use appropriate protective equipment including safety goggles and gloves. Avoid ingestion and ensure adequate ventilation. Rinse thoroughly if contact occurs.

Mild Irritant
Eye Protection Required
Rinse After Contact

Storage & Handling

Store in original sealed containers at room temperature away from CO₂ sources and direct sunlight. Minimize air exposure to prevent carbonate formation. Use clean pipettes and containers to avoid contamination. Replace cap immediately after use to maintain pH accuracy.

Room temperature storage (15-30°C)
Minimize CO₂ exposure
Keep tightly sealed
Prevent contamination

Chemical Mechanisms & Reaction Pathways

pH 7 Buffer Solution exhibits controlled neutral buffering mechanisms through optimized phosphate equilibria, making it suitable for analytical applications requiring stable neutral conditions and precise pH control in physiological and biochemical assays.

Phosphate Buffer System

H₂PO₄⁻/HPO₄²⁻ equilibrium maintaining pH 7.00 ± 0.02

Physiological pH buffering capacity
Ionic Strength Control

Controlled ionic environment optimizing biological conditions

Enhanced electrochemical stability
Enzyme Compatibility

Optimal pH for most enzymes and protein stability

Enhanced biochemical applications
Temperature Stability

pH maintained across physiological temperature range

Consistent analytical performance
Buffer Capacity

Maximum buffering capacity at physiological pH

Robust biological conditions

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 buffer method support, troubleshooting assistance, and analytical services to optimize AR Grade pH 7 Buffer performance in your specific analytical applications.

Buffer Method Development
  • pH optimization and buffer capacity calculations
  • Ionic strength adjustment protocols
  • Temperature stability assessment
  • Physiological pH maintenance
Analytical Services
  • Certificate of Analysis verification
  • Custom pH and conductivity testing
  • Buffer capacity validation
  • Stability assessment
Technical Support
  • Biochemical assay consultation
  • Safe handling and storage training
  • Method transfer support
  • Laboratory safety protocols
Performance Services
  • Method validation support
  • System suitability testing
  • Stability studies
  • Quality assurance consultation

Environmental Impact & Sustainability

Our AR Grade pH 7 Buffer production emphasizes environmental responsibility through sustainable manufacturing practices, biodegradable phosphate components, and comprehensive environmental impact management for analytical laboratory operations.

Biodegradable Components

Environmentally friendly phosphate buffer with natural cycling

Phosphorus Recovery

Phosphate recovery and recycling programs

Clean Production

Energy-efficient preparation with emission controls

Safe Disposal

Comprehensive disposal and neutralization guidance

ISO 14001

Environmental management system certified production

Container Recycling

Glass container return and recycling programs

Manufacturing Excellence & Quality Control

DRAVYOM's state-of-the-art analytical reagent manufacturing facility employs advanced buffer preparation technology with continuous monitoring systems to ensure consistent AR Grade pH 7 Buffer quality and performance across all production batches.

Production Process

Controlled preparation with high-purity phosphate salts

Precise pH control and ionic strength adjustment
Quality Testing

18-point analytical testing protocol including pH, conductivity, and buffer capacity

Potentiometric verification and stability testing
Quality Systems

ISO 9001:2015 quality management with analytical laboratory accreditation

Continuous improvement and method validation
Packaging Control

Chemical-resistant containers with controlled atmosphere protection

pH stability preservation and contamination prevention

Market Applications & Performance Data

Comprehensive analytical laboratory data demonstrating AR Grade pH 7 Buffer effectiveness across diverse applications with quantified performance metrics and analytical method validations.

Buffer Performance
pH accuracy: 7.00 ± 0.01 at 25°C Buffer capacity: β = 0.08 M/pH unit Temperature coefficient: -0.003 pH/°C
Biochemical Applications
Enzyme activity: >98% maintained Protein stability: Excellent preservation Cell culture: Compatible with biological systems
Solution Quality
Ionic strength: 0.1 M controlled Clarity: Crystal clear solutions Conductivity: 15.6 mS/cm at 25°C
Validation Data
Method validation: NIST buffer standards Stability: 24+ months proven shelf life Reproducibility: <0.005 pH unit batch-to-batch

DRAVYOM Competitive Advantages

Ultra-Precise Neutral pH

pH 7.00 ± 0.005, conductivity ±0.1%, guaranteed analytical performance

Physiological Excellence

Enhanced enzyme compatibility for biological applications

NIST Traceable Standards

Certified reference materials with comprehensive documentation

Controlled Supply Chain

Consistent availability with pH-controlled logistics

Biochemical Expertise

Support team with physiological pH specialists

Environmental Responsibility

Biodegradable phosphate system with natural cycling