Quick Answer: The Steam Jacket And Syringe is a 100 ml graduated syringe inside a borosilicate glass steam jacket, used to find the molar mass of volatile liquids boiling below 80°C.
Last updated: October 2026
Key Features
100 ml graduated syringe with 0.1 cm3 graduations
Borosilicate glass jacket held by two rubber bungs
Bungs carry steam inlet and outlet tubes and a hole for a thermometer
For volatile liquids with a boiling point below 80°C
Supplied without thermometer
Dimensions 215 mm x 60 mm; for teacher use
Technical Specifications
Specification
Value
Syringe volume
100 ml
Graduation
0.1 cm3
Jacket
Borosilicate glass
Dimensions
215 mm x 60 mm
Thermometer
Not supplied
User
Teacher
About This Product
Steam passing through the jacket vaporises the sample in the graduated syringe, and this is how the apparatus is used to determine the molar mass of volatile liquids with a boiling point below 80°C. A thermometer fits through the hole in the bung but is not supplied.
Frequently Asked Questions
Q1. Is a thermometer included? No. The apparatus is supplied without a thermometer, although the bung has a hole to accommodate one.
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