Dean and Stark trap

Dean and Stark trap

Dean and Stark trap

Dean and Stark trap

Dean and Stark trap

Dean and Stark trap

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Dean and Stark trap

Price 100 INR/ Piece

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MOQ : 1 , , Piece

Dean and Stark trap Specification

Port Size
Standard laboratory glassware dimensions

Test Range
Suitable for standard bitumen distillation procedures

Resolution
0.1 ml (as per receiver tube graduation)

Accuracy
0.1 ml (as per receiver tube graduation)

Temperature
Up to 300C (for the heating process, as supported by standard lab heating mantles)

Features
Simple assembly, easy to clean, chemical resistant, clear visibility

Application
Bitumen Testing Instruments

Automation Grade
Manual

Mounting Type
Bench-top, clamped to retort stand

Response Time
Immediate (visual, based on distillate collected)

Measuring Range
Depends on receiver tube graduation (commonly up to 50 ml)

Specimen Size
Typical vessel capacity 20 ml, 50 ml, or custom

Max Height
Approx. 400600 mm depending on configuration

Product Type
Dean and Stark Apparatus

Number of Specimens
Single specimen per operation

Interface Type
Glassware/Manual

Humidity
Ambient

Usage
Bitumen Testing Instruments

Display Type
Graduated glass tube

Capacity
Standard receiver tubes (e.g., 5 ml, 10 ml, 25 ml, 50 ml as per configuration)

Control Mode
Manual

Dean and Stark trap Trade Information

Minimum Order Quantity
1 , , Piece

Sample Available
Yes

Sample Policy
Sample costs shipping and taxes has to be paid by the buyer

Packaging Details
carton box, export quality also available

Main Domestic Market
All India

Certifications
ISO 9001, 14001 ,CE

About Dean and Stark trap

Dean & Stark Apparatus :

Introduction:

DEAN & STARK APPARATUS FOR ESTIMATION OF MOISTURE IN TAR & BITUMENS

The apparatus consist of 500 ml heat resistant glass with neck having ground glass joint, a condenser made of heat resistant glass as per fig. 2 of IS 1211, receiver - 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. (please specify while ordering - or else 2 ml receiver shall be supplied)

Versatile Design for Laboratory Precision

Dean and Stark traps are available with either straight or side-arm receivers, ensuring flexibility for laboratory setups. Manufactured from high-quality borosilicate glass, the apparatus guarantees chemical resistance and durability, essential for routine use in demanding laboratory environments. The selection of Liebig or Allihn condensers adapts to different procedural requirements, making the system highly versatile.

Accurate Water Quantification in Bitumen Testing

Specifically built for ASTM D95 and IS 1211 compliance, the apparatus measures water content in bituminous and petroleum products with remarkable accuracy. The graduated glass receiver tubes, available in capacities up to 50 ml, facilitate precise readings with resolution down to 0.1 mlvital for quality control in road construction and material testing applications.

Easy-to-use Manual Operation and Cleaning

Designed for bench-top mounting, the Dean and Stark trap boasts simple assembly and clear visibility. Manual control enables direct intervention during the distillation process, while the glassware construction makes cleaning and maintenance effortless, supporting efficient workflow in high-volume labs.

FAQs of Dean and Stark trap:

Q: How do I operate a Dean and Stark trap with manual control?

A: Operation involves assembling the borosilicate glassware, clamping the apparatus to a retort stand, and heating the sample in a distillation mantle. Water is extracted and collected in the graduated receiver tube, where you read the volume directly. Control is manual, allowing for direct intervention during the distillation process.

Q: What types of samples can be tested using this apparatus?

A: This Dean and Stark trap is ideal for extracting and quantifying water from bituminous and petroleum products, as commonly required in petroleum, road construction, and material testing laboratories. Its versatility accommodates a single specimen per operation, using typical vessel capacities ranging from 20 ml to custom volumes.

Q: Where is the Dean and Stark apparatus typically used?

A: It is commonly employed in petroleum labs, road construction labs, and material testing laboratories across industries in India and globally, particularly by manufacturers, suppliers, distributors, and exporters involved in bitumen testing and analysis.

Q: What is the benefit of using borosilicate glass in this apparatus?

A: Borosilicate glass offers excellent chemical resistance, durability under high temperatures (up to 300C), and clear visibility of the distillation process, ensuring safe and precise measurements in all laboratory conditions.

Q: When should I choose a Liebig versus an Allihn condenser type?

A: Selection depends on laboratory setup and sample type. Liebig condensers are suitable for general applications requiring efficient cooling, while Allihn condensers offer enhanced cooling for volatile mixtures. Both are compatible with the Dean and Stark trap as per your testing protocol.

Q: How accurate are the measurements taken with this equipment?

A: The graduated receiver tubes provide measurement accuracy up to 0.1 ml and a resolution of 0.1 ml, ensuring reliable quantification of water content as specified by ASTM D95 and IS 1211 standards.

Q: What is the process for cleaning the Dean and Stark apparatus?

A: After use, disassemble the apparatus and rinse all glassware components with appropriate laboratory solvents. The chemical-resistant borosilicate glass allows for thorough cleaning without damage, ensuring the longevity of the equipment.

Dean and Stark trap

Dean and Stark trap

Dean and Stark trap

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