Division 4 APPARATUS AND GLASSWARE

Usual laboratory equipment and, in particular:

1. 4.1.

   Analytical balance

2. 4.2.

   Desiccator, provided with an efficient desiccant (for example freshly dried silica gel with a water content indicator).

3. 4.3.

   Drying oven, ventilated, thermostatically controlled at 102 ± 2 ^oC throughout the total working space.

4. 4.4.

   Flat-bottom dishes, of height 20 to 25 mm, diameter 50 to 75 mm, and of appropriate material provided with well-fitting, readily removable lids.

5. 4.5.

   Boiling water bath

6. 4.6.

   Homogenizer