Apparatus
1. Air oven, capable of being controlled at 100 ± 5 o
C.
2. Analytical balance, 0.1 mg sensitivity.
3. Desiccator with desiccant such as silica gel. Ensure that the desiccant is activated prior
to use by heating in an oven at 100 oC until blue.
4. Aluminum dishes or porcelain crucibles or weighing bottles or other appropriate
drying containers.
5. Tongs.
6. Stirring rod.
7. Boiling water bath with controlled temperature.