Calcium Carbonate - L.R. Grade Chemical Structure
Laboratory Calcium Source
Laboratory Reagent

LR Grade Calcium Carbonate (CaCO₃)

Laboratory Reagent grade calcium carbonate manufactured for general laboratory procedures, educational applications, and routine chemical processing. Our LR grade CaCO₃ provides reliable calcium source for standard laboratory work, teaching applications, and analytical procedures.

  • 99.5% Laboratory Grade Purity
  • Excellent Calcium Source
  • Educational & Training Applications
  • pH Buffering Agent
  • Cost-Effective Laboratory Solution
  • Consistent Quality & Performance
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Technical Specifications

Chemical Formula: CaCO₃
CAS Number: 471-34-1
EINECS Number: 207-439-9
Concentration (Assay): 99.5% (LR Grade)
Physical State: White fine powder
Density (20°C): 2.71 g/cm³
Molecular Weight: 100.09 g/mol
Decomposition Temperature: 825°C
pH (5% slurry): 9.0 - 10.0
HCl Insoluble Matter: ≤ 0.005%
Chloride (Cl): ≤ 0.001%
Iron (Fe): ≤ 0.0005%
Heavy Metals (as Pb): ≤ 0.001%
Solubility in Water: 0.0013 g/100ml (25°C)
Loss on Drying: ≤ 2.0%
Packaging Options: 500g, 1kg, 2.5kg containers

Applications

Educational Laboratories
Analytical Chemistry
Acid-Base Reactions
Pharmaceutical Buffer
Paint Manufacturing
Gravimetric Analysis
Paper Industry
Standard Reference
Thermal Decomposition
Quality Control Testing

Industry-Specific Grades

DRAVYOM offers specialized calcium carbonate grades tailored for different laboratory and industrial requirements, ensuring optimal performance and safety across diverse analytical and manufacturing applications.

LR Grade (Laboratory Reagent)
Assay: 99.5% HCl Insoluble: ≤ 0.005% Heavy Metals: ≤ 0.001% Application: General laboratory, educational use
Technical Grade
Assay: 99.0% Iron: ≤ 0.01% Chloride: ≤ 0.005% Application: Industrial processes
Educational Grade
Assay: 99.0% Safety: Enhanced packaging Documentation: Complete SDS Application: Schools, training centers
Pharmaceutical Grade
Assay: 99.5% USP/BP compliance Ultra-low heavy metals Application: Drug formulations

Quality Standards

DRAVYOM's LR Grade Calcium Carbonate is manufactured under stringent quality control protocols, meeting international standards for laboratory and educational applications. Our production ensures consistent analytical performance and particle size distribution.

ISO 9001:2015 Certified Manufacturing
Laboratory Reagent Standards
99.5% Reliable Purity
Standard Analytical Testing
Educational Grade Compliance
Consistent Particle Size
Certificate of Analysis
Safe Transportation Standards

Advanced Chemical Properties & Performance

LR Grade Calcium Carbonate exhibits excellent buffering properties and precipitation characteristics, making it suitable for educational demonstrations and general laboratory applications requiring controlled acid-base reactions and carbonate chemistry studies.

Buffering Properties
Acid Neutralization: CaCO₃ + 2HCl → CaCl₂ + CO₂ + H₂O
pH Buffering: Maintains alkaline conditions
CO₂ Generation: Produces carbon dioxide with acids
Solubility: 0.0013 g/100ml water (25°C)
Chemical Properties
Thermal Decomposition: CaCO₃ → CaO + CO₂ (900°C)
Precipitation: Ca²⁺ + CO₃²⁻ → CaCO₃
pH of Suspension: 9.4 (1% suspension)
Hardness: 3 on Mohs scale
Physical Properties
Crystal System: Trigonal (calcite structure)
Density: 2.71 g/cm³
Decomposition Point: 825°C
Appearance: White crystalline powder

Performance Characteristics

Performance metrics demonstrate LR Grade Calcium Carbonate reliability in educational and general laboratory applications with consistent buffering performance and acid neutralization for routine procedures.

Buffering Performance

Effectiveness: Excellent acid neutralization

Consistent pH control for laboratory use
Educational Suitability

Safety: Safe for educational demonstrations

Ideal for teaching acid-base concepts
Reaction Performance

Reactivity: Predictable carbonate behavior

Suitable for CO₂ generation studies
Cost Effectiveness

Economics: Optimal cost-performance ratio

Budget-friendly laboratory solution

Safety Information

Generally safe compound with minimal health risks. Handle with basic protective equipment to prevent dust inhalation. Avoid prolonged skin contact and ensure adequate ventilation when generating CO₂. Particularly important in educational settings to prevent dust inhalation and ensure proper ventilation during acid reactions.

Dust Irritant
Ensure Ventilation
Educational Safety

Storage & Handling

Store in original containers in a cool, dry area protected from moisture and acids. Keep containers tightly closed to prevent contamination and caking. Use appropriate storage equipment and maintain proper inventory management for educational institutions.

Store at room temperature
Protect from moisture
Separate from acids
Keep tightly sealed

Chemical Mechanisms & Reaction Pathways

Calcium carbonate exhibits specific alkaline earth metal carbonate properties through various reaction pathways, making it suitable for educational demonstrations and laboratory applications requiring controlled basic behavior.

Acid Neutralization

CaCO₃ + 2HCl → CaCl₂ + CO₂ + H₂O gas evolution

Ideal for acid-base chemistry education
Thermal Decomposition

CaCO₃ → CaO + CO₂ high temperature calcination

Standard thermal analysis procedure
Precipitation

Calcium ion precipitation for water treatment studies

Important for analytical chemistry
Educational Applications

Safe carbonate chemistry demonstrations for teaching

Excellent for general chemistry education

Regulatory Compliance & Documentation

Comprehensive regulatory compliance ensures safe use of laboratory chemicals in educational and research environments with complete documentation supporting institutional safety requirements.

Educational Standards

Compliance with educational institution safety requirements

Safety Classification

Proper hazard classification and handling protocols

Documentation

Complete safety data sheets and technical documentation

Transportation

UN classification and shipping documentation

Technical Support & Value-Added Services

DRAVYOM's educational and laboratory support team provides comprehensive guidance for safe handling of laboratory chemicals and technical assistance for LR Grade Calcium Carbonate applications.

Educational Support
  • Carbonate chemistry safety training programs
  • Educational experiment development
  • Student safety protocol guidance
  • General chemistry curriculum support
Laboratory Services
  • Analytical procedure guidance
  • Safety assessment consultation
  • Gas evolution experiment support
  • Quality control assistance

Environmental Impact & Sustainability

Our LR Grade Calcium Carbonate production emphasizes environmental responsibility with sustainable practices and comprehensive environmental impact management for educational and laboratory operations.

Natural Resource

Sustainable sourcing and minimal processing environmental impact

Educational Sustainability

Supporting sustainable chemistry education practices

Environmental Safety

Non-toxic, environmentally benign laboratory chemical

Container Programs

Specialized container return and recycling programs

Manufacturing Excellence & Quality Control

DRAVYOM's laboratory reagent manufacturing facility employs controlled precipitation technology for consistent LR Grade Calcium Carbonate quality and purity performance across all production batches.

Production Process

Controlled precipitation with purity and particle size management

Consistent quality standards maintained
Quality Testing

XRD analysis and calcium content verification protocols

Regular performance monitoring systems
Safety Systems

Enhanced safety protocols for carbonate compound production

Comprehensive safety management systems

Market Applications & Performance Data

Comprehensive laboratory data demonstrating LR Grade Calcium Carbonate effectiveness across educational and analytical applications with reliable performance and quality metrics.

Educational Institutions
Safety Record: 99.9% incident-free laboratory use Performance: Consistent carbonate demonstrations Cost Efficiency: Optimal cost-performance ratio
Research Laboratories
Quality: Meets standard laboratory analysis requirements Reliability: Consistent batch-to-batch performance Customer Satisfaction: 97% user approval rate

DRAVYOM Competitive Advantages

Carbonate Chemistry Expertise

Specialized knowledge in alkaline earth carbonate production and safety protocols for educational environments

Educational Focus

Dedicated support for educational institutions with general chemistry training and curriculum assistance

Environmental Leadership

Non-toxic, environmentally safe carbonate chemistry for sustainable education

Reliable Supply

Consistent availability with educational institution programs and carbonate chemistry expertise

Quality Consistency

Consistent performance with certificates suitable for laboratory reagent requirements

Partnership Approach

Long-term partnerships with educational institutions and research laboratories for specialized needs