SCHEDULE 2Methods of analysis

APPENDIX TO SCHEDULE 2

Part I,Method 3c

Figure 5KEY TO FIGURE 5

(a)

A round-bottomed, long-necked flask of 750 or1,000 ml capacity with a bell mouth.

(b)

Distillation tube with a splash head and a spherical joint.

(c)

Elbow tube with a spherical joint and a drip cone. (A suitable connection may be used instead of the spherical joint).

(d)

A six-bulb condenser with an extension tube mounted on a rubber bung holding a bubble trap.

(e)

1750 ml receiving flask.

(f)

A bubble trap to prevent loss of ammonia.

  • The equipment is made of borosilicate glass.