AZA 0941 REFLUX EXTRACTOR 4000 GMS

Description

AZA 0941 Reflux Extractor 4000 GMS: Accurate Bitumen Content Determination by Azalab

The Azalab AZA 0941 Reflux Extractor 4000 GMS is a sophisticated and highly efficient apparatus designed for the accurate determination of bitumen content in asphalt paving mixtures. Utilizing the precise reflux method, this extractor is an indispensable tool for quality control in civil engineering laboratories, road construction projects, and material testing facilities. Engineered to handle large samples of up to 4000 grams, the AZA 0941 provides a reliable and safe means to separate the bitumen binder from aggregate, ensuring that asphalt mixtures conform to critical design specifications and contribute to durable, high-performance pavements.

The Precision of the Reflux Method with the AZA 0941 Reflux Extractor 4000 GMS

The reflux extraction method is a cornerstone of bitumen content analysis due to its effectiveness and ability to handle larger samples. The AZA 0941 operates by continuously washing the asphalt sample with a solvent, which is then heated to vaporization. The solvent vapor condenses and drips back onto the sample, creating a continuous washing cycle that efficiently dissolves the bitumen. This method ensures thorough extraction, leaving the aggregate clean for subsequent grading and analysis. The precision offered by the reflux principle helps to minimize the loss of fine aggregate particles, leading to more accurate total aggregate weight and, consequently, a more precise determination of the bitumen content by difference.

Designed for Efficiency and Safety: Safety and operational efficiency are paramount in the design of the Azalab AZA 0941. The extractor typically comprises a heating mantle or hot plate, a main extraction vessel (often made of heat-resistant glass or metal), a condenser coil, and a collection system for the bitumen-solvent solution. The integral cooling system within the condenser ensures efficient condensation of the solvent vapor, preventing loss of solvent and maintaining a closed system. This not only makes the process more environmentally friendly but also significantly enhances safety by minimizing exposure to solvent fumes. The 4000-gram capacity makes it ideal for testing larger representative samples, reducing variability and improving the overall reliability of results, especially for large-scale construction projects.

Key Features for Optimal Performance: The AZA 0941 Reflux Extractor comes equipped with features that optimize its performance and ease of use. The heating element provides precise temperature control, ensuring the solvent vaporizes effectively without overheating. The robust construction of the glass components (if applicable) is designed to withstand the thermal stresses of the reflux process. A well-designed stand provides stability for the entire apparatus, while clear markings or scales on the collection vessel facilitate accurate measurement of the extracted solution. The unit is designed for easy assembly and disassembly, simplifying the cleaning process and maintenance, thereby extending the lifespan of the equipment. Furthermore, the design typically allows for easy observation of the extraction process, enabling operators to monitor the clarity of the dripping solvent and determine when the extraction is complete.

Adherence to Industry Standards: The Azalab AZA 0941 Reflux Extractor is manufactured to conform to relevant international and national testing standards for bitumen extraction, such as ASTM D2172 (Standard Test Methods for Quantitative Extraction of Bitumen from Bituminous Paving Mixtures) or similar equivalent standards. Adherence to these standards ensures that the test results obtained using the AZA 0941 are consistent, reproducible, and accepted worldwide. This compliance is crucial for quality assurance, research, and for fulfilling contractual obligations in road construction and civil engineering projects.

The Azalab Commitment to Quality and Support: Azalab is committed to delivering high-quality, reliable laboratory equipment that empowers accurate material testing. The AZA 0941 Reflux Extractor 4000 GMS exemplifies this commitment, offering a robust, efficient, and safe solution for bitumen content determination. We understand the critical role of precise measurements in ensuring the integrity and longevity of infrastructure. Our dedication extends to providing comprehensive customer support and resources to ensure optimal performance and longevity of our equipment.

Further Information and Resources: For detailed operational procedures, solvent recommendations, and safety guidelines, please refer to the specific standard methods like ASTM D2172. You can also find additional technical information, user manuals, and details on compatible accessories by visiting the Azalab official website.

Specifications:

• Model: AZA 0941
• Method: Reflux Extraction
• Sample Capacity: Up to 4000 grams (4 kg) of asphalt mixture
• Components:
  • Heating Mantle/Hot Plate (controlled heating)
  • Extraction Vessel (typically heat-resistant glass or metal, appropriate volume for 4000g sample)
  • Condenser (glass coil, highly efficient cooling for solvent recovery)
  • Solvent Collection Flask/Beaker
  • Supporting Stand
• Material (Vessel/Condenser): High-quality Borosilicate Glass or Stainless Steel (depending on specific model variation)
• Power Supply (for heating element): [e.g., 220-240V, 50/60 Hz, single phase]
• Safety Features: Closed system to minimize solvent evaporation, robust construction
• Dimensions: Approx. [Insert W x D x H, e.g., 400 x 300 x 700] mm (varies based on specific design)
• Weight: Approx. [Insert Weight, e.g., 15-25] kg
• Standards: Conforms to relevant standards like ASTM D2172 (check specific model for full compliance details)

FREQUENTLY ASKED QUESTIONS (FAQ):

• Q: What is the maximum sample capacity of the AZA 0941 Reflux Extractor?
  • A: The AZA 0941 is designed to handle asphalt samples up to 4000 grams.
• Q: What kind of solvents are typically used with this extractor?
  • A: Common solvents include trichloroethylene, methylene chloride, or other approved solvents for bitumen extraction. Always consult safety data sheets and local regulations.
• Q: How does the reflux method work?
  • A: The solvent continuously washes the sample, vaporizes, condenses, and drips back, creating a continuous washing cycle to dissolve bitumen.
• Q: Does it conform to any specific testing standards?
  • A: Yes, it is designed to conform to relevant standards such as ASTM D2172 for quantitative extraction of bitumen.
• Q: What are the benefits of using a reflux extractor over a centrifuge?
  • A: Reflux extractors can handle larger sample sizes and often provide a more thorough washing of the aggregate, which is beneficial for accurate bitumen content determination.