About DEAN AND STARK APPARATUS FOR BITUMEN
DEAN & STARK APPARATUS FOR ESTIMATION OF MOISTURE IN TAR & BITUMENS receiver .The apparatus consist of 500 ml heat resistant glass with neck having ground glass joint, a condenser made of heat resistant glass also made of heat resistant glass with ground glass joint leading to the flask and graduated tube. Capacity of receiver will be 2 or 10 ml.
Further details availableon our website.
The Price mentioned here are subject to change as per the capacity,specifications and application of the user.
Precision in Bitumen Water Content AnalysisThe Dean and Stark Apparatus for Bitumen provides laboratories with a reliable solution for analyzing moisture content in bituminous samples. Its ground-joint glassware connections and leak-resistant construction ensure the integrity of results. The apparatus is recommended for use with solvents such as petroleum ether or toluene, optimizing the extraction process, and the insulated heating mantle minimizes heat loss while enhancing operator safety.
Compliance and Robust ConstructionManufactured from borosilicate glass with a sturdy metal stand and an aluminium/steel heating mantle, this apparatus is compliant with IS:1211 and ASTM D95 standards. The glassware is highly chemical-resistant, and all materials are chosen for durability and consistent performance in demanding laboratory conditions. Its compact design makes it suitable for various laboratory settings.
FAQs of DEAN AND STARK APPARATUS FOR BITUMEN:
Q: How does the Dean and Stark Apparatus determine water content in bitumen?
A: The apparatus operates by distilling the bituminous sample with a suitable solvent like petroleum ether or toluene. The water separates and is collected in the graduated receiver tube. The volume of water obtained is then measured, providing the water content in the bituminous material.
Q: What are the recommended solvents for this apparatus, and why?
A: Petroleum ether or toluene are the preferred solvents because they efficiently dissolve bituminous components and enhance water separation during testing, as per standard procedures outlined in IS:1211 and ASTM D95.
Q: When should I use this apparatus in bitumen testing?
A: Use the Dean and Stark Apparatus whenever precise determination of water content in bitumen is required, such as during quality control, routine laboratory analysis, or material certification processes.
Q: Where is the Dean and Stark Apparatus typically used?
A: This equipment is primarily used in laboratory environments specializing in bitumen and asphalt testing, including quality control laboratories, research institutions, and construction material testing facilities.
Q: What is the process for conducting a test with this apparatus?
A: The process involves placing a measured amount of bitumen and solvent into the standard 500 ml flask, assembling the glassware with leak-resistant joints, and applying heat via the insulated heating mantle. As the sample heats, water is distilled off and collected in the receiver, allowing for accurate volume measurement.
Q: What benefits does this apparatus offer over other water determination methods?
A: It provides high accuracy, leak-proof operation, and chemical resistance. The adjustable height, sturdy stand, and compliance with international standards make it reliable for consistent, repeatable laboratory analyses.