Dean & Stark Apps

The Dean & Stark Apparatus is a laboratory glassware assembly designed for the determination of water content in petroleum products, bituminous materials, and other samples by azeotropic distillation. It provides accurate moisture measurement for analytical, quality control, and research laboratories.

Parameter Specification
Product Name Dean & Stark Apparatus
Product Type Water Content Determination Apparatus
Material Borosilicate Glass
Test Method Azeotropic Distillation Method
Components Distillation Flask, Graduated Receiver, Condenser
Measurement Water Content Determination
Chemical Resistance Suitable for Common Laboratory Solvents
Applications Petroleum testing, bitumen analysis, oil testing, chemical analysis, food testing, research laboratories, quality control
  • Designed for accurate determination of water content by azeotropic distillation.
  • Manufactured from high-quality borosilicate glass for durability and chemical resistance.
  • Graduated receiver enables precise measurement of collected water.
  • Transparent glass construction allows clear observation of the distillation process.
  • Suitable for petroleum products, bitumen, oils, and other laboratory samples.
  • Compatible with routine analytical and quality control testing procedures.
  • Ideal for petroleum, chemical, food, research, and quality control laboratories.

The Dean & Stark Apparatus is a specialized laboratory glass apparatus used to determine the water content of petroleum products, bitumen, oils, food products, and other materials through the azeotropic distillation method. Typically manufactured from high-quality borosilicate glass, the apparatus consists of a distillation flask, graduated receiving trap, and condenser, allowing water to be separated from the sample and collected for accurate measurement.

Widely used in petroleum testing laboratories, chemical industries, food testing laboratories, research institutions, and quality control facilities, the Dean & Stark Apparatus supports standardized moisture determination procedures. Its transparent glass construction allows clear observation of the distillation process, while the graduated receiver enables precise measurement of collected water. The apparatus is an essential analytical tool for laboratories requiring reliable water content analysis and compliance with established testing methods.

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