McMaster University - Chem2O06 Lab Manual

1997/98


Microscale Laboratory Techniques - Basic Equipment


The glassware used for microscale experiments is contained in a kit which the student obtains from stores at the beginning of the laboratory period and returns at the end.   The Stores technician will ensure that a complete kit is given to the student when it is picked up, and will check it on its return to ensure that it is complete.  The student will be charged for missing items.

Some of the contents of the microscale kit are illustrated in the drawing below.

The conical vial is used as a reaction vessel, for extractions, and as a storage container. Its flat base allows it to stand upright on the laboratory bench. The interior of the vial tapers to a narrow bottom, making it possible to withdraw liquids completely from the vial using a disposable Pasteur pipet. The vial has a screw cap which tightens by means of threads cast into the top of the vial. These threads also allow attachment of various other pieces such as a condenser or distillation head, using the double-caps provided in the kit.


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wjl; 25-nov-97